diff options
Diffstat (limited to 'drivers/iio')
52 files changed, 1292 insertions, 253 deletions
diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c index dd8ea4284934..bbcbd7101f33 100644 --- a/drivers/iio/accel/hid-sensor-accel-3d.c +++ b/drivers/iio/accel/hid-sensor-accel-3d.c @@ -60,28 +60,28 @@ static const struct iio_chan_spec accel_3d_channels[] = { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_OFFSET_SHARED_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT | - IIO_CHAN_INFO_HYSTERESIS_SHARED_BIT, + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_X, }, { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_OFFSET_SHARED_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT | - IIO_CHAN_INFO_HYSTERESIS_SHARED_BIT, + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_Y, }, { .type = IIO_ACCEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_OFFSET_SHARED_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT | - IIO_CHAN_INFO_HYSTERESIS_SHARED_BIT, + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_Z, } }; diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c index c2229a521ab9..7229645bf1d7 100644 --- a/drivers/iio/accel/kxsd9.c +++ b/drivers/iio/accel/kxsd9.c @@ -177,8 +177,8 @@ error_ret: .type = IIO_ACCEL, \ .modified = 1, \ .channel2 = IIO_MOD_##axis, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .address = KXSD9_REG_##axis, \ } @@ -186,7 +186,7 @@ static const struct iio_chan_spec kxsd9_channels[] = { KXSD9_ACCEL_CHAN(X), KXSD9_ACCEL_CHAN(Y), KXSD9_ACCEL_CHAN(Z), { .type = IIO_VOLTAGE, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), .indexed = 1, .address = KXSD9_REG_AUX, } diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index e372257a8494..ab0767e6727e 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -30,6 +30,18 @@ config AD7298 To compile this driver as a module, choose M here: the module will be called ad7298. +config AD7923 + tristate "Analog Devices AD7923 and similar ADCs driver" + depends on SPI + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER + help + Say yes here to build support for Analog Devices + AD7904, AD7914, AD7923, AD7924 4 Channel ADCs. + + To compile this driver as a module, choose M here: the + module will be called ad7923. + config AD7791 tristate "Analog Devices AD7791 ADC driver" depends on SPI @@ -91,6 +103,14 @@ config AT91_ADC help Say yes here to build support for Atmel AT91 ADC. +config EXYNOS_ADC + bool "Exynos ADC driver support" + depends on OF + help + Core support for the ADC block found in the Samsung EXYNOS series + of SoCs for drivers such as the touchscreen and hwmon to use to share + this resource. + config LP8788_ADC bool "LP8788 ADC driver" depends on MFD_LP8788 diff --git a/drivers/iio/adc/Makefile b/drivers/iio/adc/Makefile index 2d5f10080d8d..0a825bed43f6 100644 --- a/drivers/iio/adc/Makefile +++ b/drivers/iio/adc/Makefile @@ -5,11 +5,13 @@ obj-$(CONFIG_AD_SIGMA_DELTA) += ad_sigma_delta.o obj-$(CONFIG_AD7266) += ad7266.o obj-$(CONFIG_AD7298) += ad7298.o +obj-$(CONFIG_AD7923) += ad7923.o obj-$(CONFIG_AD7476) += ad7476.o obj-$(CONFIG_AD7791) += ad7791.o obj-$(CONFIG_AD7793) += ad7793.o obj-$(CONFIG_AD7887) += ad7887.o obj-$(CONFIG_AT91_ADC) += at91_adc.o +obj-$(CONFIG_EXYNOS_ADC) += exynos_adc.o obj-$(CONFIG_LP8788_ADC) += lp8788_adc.o obj-$(CONFIG_MAX1363) += max1363.o obj-$(CONFIG_TI_ADC081C) += ti-adc081c.o diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c index bbad9b94cd75..c2744a75c3b0 100644 --- a/drivers/iio/adc/ad7266.c +++ b/drivers/iio/adc/ad7266.c @@ -201,9 +201,9 @@ static int ad7266_read_raw(struct iio_dev *indio_dev, .indexed = 1, \ .channel = (_chan), \ .address = (_chan), \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT \ - | IIO_CHAN_INFO_SCALE_SHARED_BIT \ - | IIO_CHAN_INFO_OFFSET_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) \ + | BIT(IIO_CHAN_INFO_OFFSET), \ .scan_index = (_chan), \ .scan_type = { \ .sign = (_sign), \ @@ -249,9 +249,9 @@ static AD7266_DECLARE_SINGLE_ENDED_CHANNELS_FIXED(s, 's'); .channel = (_chan) * 2, \ .channel2 = (_chan) * 2 + 1, \ .address = (_chan), \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT \ - | IIO_CHAN_INFO_SCALE_SHARED_BIT \ - | IIO_CHAN_INFO_OFFSET_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) \ + | BIT(IIO_CHAN_INFO_OFFSET), \ .scan_index = (_chan), \ .scan_type = { \ .sign = _sign, \ diff --git a/drivers/iio/adc/ad7298.c b/drivers/iio/adc/ad7298.c index b34d754994d5..03b77189dbfe 100644 --- a/drivers/iio/adc/ad7298.c +++ b/drivers/iio/adc/ad7298.c @@ -63,8 +63,8 @@ struct ad7298_state { .type = IIO_VOLTAGE, \ .indexed = 1, \ .channel = index, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .address = index, \ .scan_index = index, \ .scan_type = { \ @@ -80,9 +80,9 @@ static const struct iio_chan_spec ad7298_channels[] = { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_OFFSET), .address = AD7298_CH_TEMP, .scan_index = -1, .scan_type = { diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c index 1491fa6debb2..2e98bef4af67 100644 --- a/drivers/iio/adc/ad7476.c +++ b/drivers/iio/adc/ad7476.c @@ -140,12 +140,12 @@ static int ad7476_read_raw(struct iio_dev *indio_dev, return -EINVAL; } -#define _AD7476_CHAN(bits, _shift, _info_mask) \ +#define _AD7476_CHAN(bits, _shift, _info_mask_sep) \ { \ .type = IIO_VOLTAGE, \ .indexed = 1, \ - .info_mask = _info_mask | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask_separate = _info_mask_sep, \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .scan_type = { \ .sign = 'u', \ .realbits = (bits), \ @@ -156,9 +156,9 @@ static int ad7476_read_raw(struct iio_dev *indio_dev, } #define AD7476_CHAN(bits) _AD7476_CHAN((bits), 13 - (bits), \ - IIO_CHAN_INFO_RAW_SEPARATE_BIT) + BIT(IIO_CHAN_INFO_RAW)) #define AD7940_CHAN(bits) _AD7476_CHAN((bits), 15 - (bits), \ - IIO_CHAN_INFO_RAW_SEPARATE_BIT) + BIT(IIO_CHAN_INFO_RAW)) #define AD7091R_CHAN(bits) _AD7476_CHAN((bits), 16 - (bits), 0) static const struct ad7476_chip_info ad7476_chip_info_tbl[] = { diff --git a/drivers/iio/adc/ad7887.c b/drivers/iio/adc/ad7887.c index a33d5cd1a536..dd15a5b0f701 100644 --- a/drivers/iio/adc/ad7887.c +++ b/drivers/iio/adc/ad7887.c @@ -207,8 +207,8 @@ static const struct ad7887_chip_info ad7887_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .address = 1, .scan_index = 1, .scan_type = IIO_ST('u', 12, 16, 0), @@ -217,8 +217,8 @@ static const struct ad7887_chip_info ad7887_chip_info_tbl[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .address = 0, .scan_index = 0, .scan_type = IIO_ST('u', 12, 16, 0), diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c new file mode 100644 index 000000000000..97fa0d3dc4aa --- /dev/null +++ b/drivers/iio/adc/ad7923.c @@ -0,0 +1,383 @@ +/* + * AD7904/AD7914/AD7923/AD7924 SPI ADC driver + * + * Copyright 2011 Analog Devices Inc (from AD7923 Driver) + * Copyright 2012 CS Systemes d'Information + * + * Licensed under the GPL-2. + */ + +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/sysfs.h> +#include <linux/spi/spi.h> +#include <linux/regulator/consumer.h> +#include <linux/err.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/interrupt.h> + +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> +#include <linux/iio/trigger_consumer.h> +#include <linux/iio/triggered_buffer.h> + +#define AD7923_WRITE_CR (1 << 11) /* write control register */ +#define AD7923_RANGE (1 << 1) /* range to REFin */ +#define AD7923_CODING (1 << 0) /* coding is straight binary */ +#define AD7923_PM_MODE_AS (1) /* auto shutdown */ +#define AD7923_PM_MODE_FS (2) /* full shutdown */ +#define AD7923_PM_MODE_OPS (3) /* normal operation */ +#define AD7923_CHANNEL_0 (0) /* analog input 0 */ +#define AD7923_CHANNEL_1 (1) /* analog input 1 */ +#define AD7923_CHANNEL_2 (2) /* analog input 2 */ +#define AD7923_CHANNEL_3 (3) /* analog input 3 */ +#define AD7923_SEQUENCE_OFF (0) /* no sequence fonction */ +#define AD7923_SEQUENCE_PROTECT (2) /* no interrupt write cycle */ +#define AD7923_SEQUENCE_ON (3) /* continuous sequence */ + +#define AD7923_MAX_CHAN 4 + +#define AD7923_PM_MODE_WRITE(mode) (mode << 4) /* write mode */ +#define AD7923_CHANNEL_WRITE(channel) (channel << 6) /* write channel */ +#define AD7923_SEQUENCE_WRITE(sequence) (((sequence & 1) << 3) \ + + ((sequence & 2) << 9)) + /* write sequence fonction */ +/* left shift for CR : bit 11 transmit in first */ +#define AD7923_SHIFT_REGISTER 4 + +/* val = value, dec = left shift, bits = number of bits of the mask */ +#define EXTRACT(val, dec, bits) ((val >> dec) & ((1 << bits) - 1)) + +struct ad7923_state { + struct spi_device *spi; + struct spi_transfer ring_xfer[5]; + struct spi_transfer scan_single_xfer[2]; + struct spi_message ring_msg; + struct spi_message scan_single_msg; + + struct regulator *reg; + + unsigned int settings; + + /* + * DMA (thus cache coherency maintenance) requires the + * transfer buffers to live in their own cache lines. + */ + __be16 rx_buf[4] ____cacheline_aligned; + __be16 tx_buf[4]; +}; + +struct ad7923_chip_info { + const struct iio_chan_spec *channels; + unsigned int num_channels; +}; + +enum ad7923_id { + AD7904, + AD7914, + AD7924, +}; + +#define AD7923_V_CHAN(index, bits) \ + { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .channel = index, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ + .address = index, \ + .scan_index = index, \ + .scan_type = { \ + .sign = 'u', \ + .realbits = (bits), \ + .storagebits = 16, \ + .endianness = IIO_BE, \ + }, \ + } + +#define DECLARE_AD7923_CHANNELS(name, bits) \ +const struct iio_chan_spec name ## _channels[] = { \ + AD7923_V_CHAN(0, bits), \ + AD7923_V_CHAN(1, bits), \ + AD7923_V_CHAN(2, bits), \ + AD7923_V_CHAN(3, bits), \ + IIO_CHAN_SOFT_TIMESTAMP(4), \ +} + +static DECLARE_AD7923_CHANNELS(ad7904, 8); +static DECLARE_AD7923_CHANNELS(ad7914, 10); +static DECLARE_AD7923_CHANNELS(ad7924, 12); + +static const struct ad7923_chip_info ad7923_chip_info[] = { + [AD7904] = { + .channels = ad7904_channels, + .num_channels = ARRAY_SIZE(ad7904_channels), + }, + [AD7914] = { + .channels = ad7914_channels, + .num_channels = ARRAY_SIZE(ad7914_channels), + }, + [AD7924] = { + .channels = ad7924_channels, + .num_channels = ARRAY_SIZE(ad7924_channels), + }, +}; + +/** + * ad7923_update_scan_mode() setup the spi transfer buffer for the new scan mask + **/ +static int ad7923_update_scan_mode(struct iio_dev *indio_dev, + const unsigned long *active_scan_mask) +{ + struct ad7923_state *st = iio_priv(indio_dev); + int i, cmd, len; + + len = 0; + for_each_set_bit(i, active_scan_mask, AD7923_MAX_CHAN) { + cmd = AD7923_WRITE_CR | AD7923_CHANNEL_WRITE(i) | + AD7923_SEQUENCE_WRITE(AD7923_SEQUENCE_OFF) | + st->settings; + cmd <<= AD7923_SHIFT_REGISTER; + st->tx_buf[len++] = cpu_to_be16(cmd); + } + /* build spi ring message */ + st->ring_xfer[0].tx_buf = &st->tx_buf[0]; + st->ring_xfer[0].len = len; + st->ring_xfer[0].cs_change = 1; + + spi_message_init(&st->ring_msg); + spi_message_add_tail(&st->ring_xfer[0], &st->ring_msg); + + for (i = 0; i < len; i++) { + st->ring_xfer[i + 1].rx_buf = &st->rx_buf[i]; + st->ring_xfer[i + 1].len = 2; + st->ring_xfer[i + 1].cs_change = 1; + spi_message_add_tail(&st->ring_xfer[i + 1], &st->ring_msg); + } + /* make sure last transfer cs_change is not set */ + st->ring_xfer[i + 1].cs_change = 0; + + return 0; +} + +/** + * ad7923_trigger_handler() bh of trigger launched polling to ring buffer + * + * Currently there is no option in this driver to disable the saving of + * timestamps within the ring. + **/ +static irqreturn_t ad7923_trigger_handler(int irq, void *p) +{ + struct iio_poll_func *pf = p; + struct iio_dev *indio_dev = pf->indio_dev; + struct ad7923_state *st = iio_priv(indio_dev); + s64 time_ns = 0; + int b_sent; + + b_sent = spi_sync(st->spi, &st->ring_msg); + if (b_sent) + goto done; + + if (indio_dev->scan_timestamp) { + time_ns = iio_get_time_ns(); + memcpy((u8 *)st->rx_buf + indio_dev->scan_bytes - sizeof(s64), + &time_ns, sizeof(time_ns)); + } + + iio_push_to_buffers(indio_dev, (u8 *)st->rx_buf); + +done: + iio_trigger_notify_done(indio_dev->trig); + + return IRQ_HANDLED; +} + +static int ad7923_scan_direct(struct ad7923_state *st, unsigned ch) +{ + int ret, cmd; + + cmd = AD7923_WRITE_CR | AD7923_CHANNEL_WRITE(ch) | + AD7923_SEQUENCE_WRITE(AD7923_SEQUENCE_OFF) | + st->settings; + cmd <<= AD7923_SHIFT_REGISTER; + st->tx_buf[0] = cpu_to_be16(cmd); + + ret = spi_sync(st->spi, &st->scan_single_msg); + if (ret) + return ret; + + return be16_to_cpu(st->rx_buf[0]); +} + +static int ad7923_get_range(struct ad7923_state *st) +{ + int vref; + + vref = regulator_get_voltage(st->reg); + if (vref < 0) + return vref; + + vref /= 1000; + + if (!(st->settings & AD7923_RANGE)) + vref *= 2; + + return vref; +} + +static int ad7923_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, + int *val2, + long m) +{ + int ret; + struct ad7923_state *st = iio_priv(indio_dev); + + switch (m) { + case IIO_CHAN_INFO_RAW: + mutex_lock(&indio_dev->mlock); + if (iio_buffer_enabled(indio_dev)) + ret = -EBUSY; + else + ret = ad7923_scan_direct(st, chan->address); + mutex_unlock(&indio_dev->mlock); + + if (ret < 0) + return ret; + + if (chan->address == EXTRACT(ret, 12, 4)) + *val = EXTRACT(ret, 0, 12); + else + return -EIO; + + return IIO_VAL_INT; + case IIO_CHAN_INFO_SCALE: + ret = ad7923_get_range(st); + if (ret < 0) + return ret; + *val = ret; + *val2 = chan->scan_type.realbits; + return IIO_VAL_FRACTIONAL_LOG2; + } + return -EINVAL; +} + +static const struct iio_info ad7923_info = { + .read_raw = &ad7923_read_raw, + .update_scan_mode = ad7923_update_scan_mode, + .driver_module = THIS_MODULE, +}; + +static int ad7923_probe(struct spi_device *spi) +{ + struct ad7923_state *st; + struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); + const struct ad7923_chip_info *info; + int ret; + + if (indio_dev == NULL) + return -ENOMEM; + + st = iio_priv(indio_dev); + + spi_set_drvdata(spi, indio_dev); + + st->spi = spi; + st->settings = AD7923_CODING | AD7923_RANGE | + AD7923_PM_MODE_WRITE(AD7923_PM_MODE_OPS); + + info = &ad7923_chip_info[spi_get_device_id(spi)->driver_data]; + + indio_dev->name = spi_get_device_id(spi)->name; + indio_dev->dev.parent = &spi->dev; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->channels = info->channels; + indio_dev->num_channels = info->num_channels; + indio_dev->info = &ad7923_info; + + /* Setup default message */ + + st->scan_single_xfer[0].tx_buf = &st->tx_buf[0]; + st->scan_single_xfer[0].len = 2; + st->scan_single_xfer[0].cs_change = 1; + st->scan_single_xfer[1].rx_buf = &st->rx_buf[0]; + st->scan_single_xfer[1].len = 2; + + spi_message_init(&st->scan_single_msg); + spi_message_add_tail(&st->scan_single_xfer[0], &st->scan_single_msg); + spi_message_add_tail(&st->scan_single_xfer[1], &st->scan_single_msg); + + st->reg = regulator_get(&spi->dev, "refin"); + if (IS_ERR(st->reg)) { + ret = PTR_ERR(st->reg); + goto error_free; + } + ret = regulator_enable(st->reg); + if (ret) + goto error_put_reg; + + ret = iio_triggered_buffer_setup(indio_dev, NULL, + &ad7923_trigger_handler, NULL); + if (ret) + goto error_disable_reg; + + ret = iio_device_register(indio_dev); + if (ret) + goto error_cleanup_ring; + + return 0; + +error_cleanup_ring: + iio_triggered_buffer_cleanup(indio_dev); +error_disable_reg: + regulator_disable(st->reg); +error_put_reg: + regulator_put(st->reg); +error_free: + iio_device_free(indio_dev); + + return ret; +} + +static int ad7923_remove(struct spi_device *spi) +{ + struct iio_dev *indio_dev = spi_get_drvdata(spi); + struct ad7923_state *st = iio_priv(indio_dev); + + iio_device_unregister(indio_dev); + iio_triggered_buffer_cleanup(indio_dev); + regulator_disable(st->reg); + regulator_put(st->reg); + iio_device_free(indio_dev); + + return 0; +} + +static const struct spi_device_id ad7923_id[] = { + {"ad7904", AD7904}, + {"ad7914", AD7914}, + {"ad7923", AD7924}, + {"ad7924", AD7924}, + {} +}; +MODULE_DEVICE_TABLE(spi, ad7923_id); + +static struct spi_driver ad7923_driver = { + .driver = { + .name = "ad7923", + .owner = THIS_MODULE, + }, + .probe = ad7923_probe, + .remove = ad7923_remove, + .id_table = ad7923_id, +}; +module_spi_driver(ad7923_driver); + +MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); +MODULE_AUTHOR("Patrick Vasseur <patrick.vasseur@c-s.fr>"); +MODULE_DESCRIPTION("Analog Devices AD7904/AD7914/AD7923/AD7924 ADC"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 83c836ba600f..92eb6a5b9e72 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -140,8 +140,8 @@ static int at91_adc_channel_init(struct iio_dev *idev) chan->scan_type.sign = 'u'; chan->scan_type.realbits = 10; chan->scan_type.storagebits = 16; - chan->info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_RAW_SEPARATE_BIT; + chan->info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE); + chan->info_mask_separate = BIT(IIO_CHAN_INFO_RAW); idx++; } timestamp = chan_array + idx; diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c new file mode 100644 index 000000000000..4a8a9a34228f --- /dev/null +++ b/drivers/iio/adc/exynos_adc.c @@ -0,0 +1,452 @@ +/* + * exynos_adc.c - Support for ADC in EXYNOS SoCs + * + * 8 ~ 10 channel, 10/12-bit ADC + * + * Copyright (C) 2013 Naveen Krishna Chatradhi <ch.naveen@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <linux/completion.h> +#include <linux/of.h> +#include <linux/of_irq.h> +#include <linux/regulator/consumer.h> +#include <linux/of_platform.h> + +#include <linux/iio/iio.h> +#include <linux/iio/machine.h> +#include <linux/iio/driver.h> + +enum adc_version { + ADC_V1, + ADC_V2 +}; + +/* EXYNOS4412/5250 ADC_V1 registers definitions */ +#define ADC_V1_CON(x) ((x) + 0x00) +#define ADC_V1_DLY(x) ((x) + 0x08) +#define ADC_V1_DATX(x) ((x) + 0x0C) +#define ADC_V1_INTCLR(x) ((x) + 0x18) +#define ADC_V1_MUX(x) ((x) + 0x1c) + +/* Future ADC_V2 registers definitions */ +#define ADC_V2_CON1(x) ((x) + 0x00) +#define ADC_V2_CON2(x) ((x) + 0x04) +#define ADC_V2_STAT(x) ((x) + 0x08) +#define ADC_V2_INT_EN(x) ((x) + 0x10) +#define ADC_V2_INT_ST(x) ((x) + 0x14) +#define ADC_V2_VER(x) ((x) + 0x20) + +/* Bit definitions for ADC_V1 */ +#define ADC_V1_CON_RES (1u << 16) +#define ADC_V1_CON_PRSCEN (1u << 14) +#define ADC_V1_CON_PRSCLV(x) (((x) & 0xFF) << 6) +#define ADC_V1_CON_STANDBY (1u << 2) + +/* Bit definitions for ADC_V2 */ +#define ADC_V2_CON1_SOFT_RESET (1u << 2) + +#define ADC_V2_CON2_OSEL (1u << 10) +#define ADC_V2_CON2_ESEL (1u << 9) +#define ADC_V2_CON2_HIGHF (1u << 8) +#define ADC_V2_CON2_C_TIME(x) (((x) & 7) << 4) +#define ADC_V2_CON2_ACH_SEL(x) (((x) & 0xF) << 0) +#define ADC_V2_CON2_ACH_MASK 0xF + +#define MAX_ADC_V2_CHANNELS 10 +#define MAX_ADC_V1_CHANNELS 8 + +/* Bit definitions common for ADC_V1 and ADC_V2 */ +#define ADC_CON_EN_START (1u << 0) +#define ADC_DATX_MASK 0xFFF + +#define EXYNOS_ADC_TIMEOUT (msecs_to_jiffies(1000)) + +struct exynos_adc { + void __iomem *regs; + void __iomem *enable_reg; + struct clk *clk; + unsigned int irq; + struct regulator *vdd; + + struct completion completion; + + u32 value; + unsigned int version; +}; + +static const struct of_device_id exynos_adc_match[] = { + { .compatible = "samsung,exynos-adc-v1", .data = (void *)ADC_V1 }, + { .compatible = "samsung,exynos-adc-v2", .data = (void *)ADC_V2 }, + {}, +}; +MODULE_DEVICE_TABLE(of, exynos_adc_match); + +static inline unsigned int exynos_adc_get_version(struct platform_device *pdev) +{ + const struct of_device_id *match; + + match = of_match_node(exynos_adc_match, pdev->dev.of_node); + return (unsigned int)match->data; +} + +static int exynos_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, + int *val2, + long mask) +{ + struct exynos_adc *info = iio_priv(indio_dev); + unsigned long timeout; + u32 con1, con2; + + if (mask != IIO_CHAN_INFO_RAW) + return -EINVAL; + + mutex_lock(&indio_dev->mlock); + + /* Select the channel to be used and Trigger conversion */ + if (info->version == ADC_V2) { + con2 = readl(ADC_V2_CON2(info->regs)); + con2 &= ~ADC_V2_CON2_ACH_MASK; + con2 |= ADC_V2_CON2_ACH_SEL(chan->address); + writel(con2, ADC_V2_CON2(info->regs)); + + con1 = readl(ADC_V2_CON1(info->regs)); + writel(con1 | ADC_CON_EN_START, + ADC_V2_CON1(info->regs)); + } else { + writel(chan->address, ADC_V1_MUX(info->regs)); + + con1 = readl(ADC_V1_CON(info->regs)); + writel(con1 | ADC_CON_EN_START, + ADC_V1_CON(info->regs)); + } + + timeout = wait_for_completion_interruptible_timeout + (&info->completion, EXYNOS_ADC_TIMEOUT); + *val = info->value; + + mutex_unlock(&indio_dev->mlock); + + if (timeout == 0) + return -ETIMEDOUT; + + return IIO_VAL_INT; +} + +static irqreturn_t exynos_adc_isr(int irq, void *dev_id) +{ + struct exynos_adc *info = (struct exynos_adc *)dev_id; + + /* Read value */ + info->value = readl(ADC_V1_DATX(info->regs)) & + ADC_DATX_MASK; + /* clear irq */ + if (info->version == ADC_V2) + writel(1, ADC_V2_INT_ST(info->regs)); + else + writel(1, ADC_V1_INTCLR(info->regs)); + + complete(&info->completion); + + return IRQ_HANDLED; +} + +static int exynos_adc_reg_access(struct iio_dev *indio_dev, + unsigned reg, unsigned writeval, + unsigned *readval) +{ + struct exynos_adc *info = iio_priv(indio_dev); + + if (readval == NULL) + return -EINVAL; + + *readval = readl(info->regs + reg); + + return 0; +} + +static const struct iio_info exynos_adc_iio_info = { + .read_raw = &exynos_read_raw, + .debugfs_reg_access = &exynos_adc_reg_access, + .driver_module = THIS_MODULE, +}; + +#define ADC_CHANNEL(_index, _id) { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .channel = _index, \ + .address = _index, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .datasheet_name = _id, \ +} + +static const struct iio_chan_spec exynos_adc_iio_channels[] = { + ADC_CHANNEL(0, "adc0"), + ADC_CHANNEL(1, "adc1"), + ADC_CHANNEL(2, "adc2"), + ADC_CHANNEL(3, "adc3"), + ADC_CHANNEL(4, "adc4"), + ADC_CHANNEL(5, "adc5"), + ADC_CHANNEL(6, "adc6"), + ADC_CHANNEL(7, "adc7"), + ADC_CHANNEL(8, "adc8"), + ADC_CHANNEL(9, "adc9"), +}; + +static int exynos_adc_remove_devices(struct device *dev, void *c) +{ + struct platform_device *pdev = to_platform_device(dev); + + platform_device_unregister(pdev); + + return 0; +} + +static void exynos_adc_hw_init(struct exynos_adc *info) +{ + u32 con1, con2; + + if (info->version == ADC_V2) { + con1 = ADC_V2_CON1_SOFT_RESET; + writel(con1, ADC_V2_CON1(info->regs)); + + con2 = ADC_V2_CON2_OSEL | ADC_V2_CON2_ESEL | + ADC_V2_CON2_HIGHF | ADC_V2_CON2_C_TIME(0); + writel(con2, ADC_V2_CON2(info->regs)); + + /* Enable interrupts */ + writel(1, ADC_V2_INT_EN(info->regs)); + } else { + /* set default prescaler values and Enable prescaler */ + con1 = ADC_V1_CON_PRSCLV(49) | ADC_V1_CON_PRSCEN; + + /* Enable 12-bit ADC resolution */ + con1 |= ADC_V1_CON_RES; + writel(con1, ADC_V1_CON(info->regs)); + } +} + +static int exynos_adc_probe(struct platform_device *pdev) +{ + struct exynos_adc *info = NULL; + struct device_node *np = pdev->dev.of_node; + struct iio_dev *indio_dev = NULL; + struct resource *mem; + int ret = -ENODEV; + int irq; + + if (!np) + return ret; + + indio_dev = iio_device_alloc(sizeof(struct exynos_adc)); + if (!indio_dev) { + dev_err(&pdev->dev, "failed allocating iio device\n"); + return -ENOMEM; + } + + info = iio_priv(indio_dev); + + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + info->regs = devm_request_and_ioremap(&pdev->dev, mem); + if (!info->regs) { + ret = -ENOMEM; + goto err_iio; + } + + mem = platform_get_resource(pdev, IORESOURCE_MEM, 1); + info->enable_reg = devm_request_and_ioremap(&pdev->dev, mem); + if (!info->enable_reg) { + ret = -ENOMEM; + goto err_iio; + } + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "no irq resource?\n"); + ret = irq; + goto err_iio; + } + + info->irq = irq; + + init_completion(&info->completion); + + ret = request_irq(info->irq, exynos_adc_isr, + 0, dev_name(&pdev->dev), info); + if (ret < 0) { + dev_err(&pdev->dev, "failed requesting irq, irq = %d\n", + info->irq); + goto err_iio; + } + + writel(1, info->enable_reg); + + info->clk = devm_clk_get(&pdev->dev, "adc"); + if (IS_ERR(info->clk)) { + dev_err(&pdev->dev, "failed getting clock, err = %ld\n", + PTR_ERR(info->clk)); + ret = PTR_ERR(info->clk); + goto err_irq; + } + + info->vdd = devm_regulator_get(&pdev->dev, "vdd"); + if (IS_ERR(info->vdd)) { + dev_err(&pdev->dev, "failed getting regulator, err = %ld\n", + PTR_ERR(info->vdd)); + ret = PTR_ERR(info->vdd); + goto err_irq; + } + + info->version = exynos_adc_get_version(pdev); + + platform_set_drvdata(pdev, indio_dev); + + indio_dev->name = dev_name(&pdev->dev); + indio_dev->dev.parent = &pdev->dev; + indio_dev->dev.of_node = pdev->dev.of_node; + indio_dev->info = &exynos_adc_iio_info; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->channels = exynos_adc_iio_channels; + + if (info->version == ADC_V1) + indio_dev->num_channels = MAX_ADC_V1_CHANNELS; + else + indio_dev->num_channels = MAX_ADC_V2_CHANNELS; + + ret = iio_device_register(indio_dev); + if (ret) + goto err_irq; + + ret = regulator_enable(info->vdd); + if (ret) + goto err_iio_dev; + + clk_prepare_enable(info->clk); + + exynos_adc_hw_init(info); + + ret = of_platform_populate(np, exynos_adc_match, NULL, &pdev->dev); + if (ret < 0) { + dev_err(&pdev->dev, "failed adding child nodes\n"); + goto err_of_populate; + } + + return 0; + +err_of_populate: + device_for_each_child(&pdev->dev, NULL, + exynos_adc_remove_devices); + regulator_disable(info->vdd); + clk_disable_unprepare(info->clk); +err_iio_dev: + iio_device_unregister(indio_dev); +err_irq: + free_irq(info->irq, info); +err_iio: + iio_device_free(indio_dev); + return ret; +} + +static int exynos_adc_remove(struct platform_device *pdev) +{ + struct iio_dev *indio_dev = platform_get_drvdata(pdev); + struct exynos_adc *info = iio_priv(indio_dev); + + device_for_each_child(&pdev->dev, NULL, + exynos_adc_remove_devices); + regulator_disable(info->vdd); + clk_disable_unprepare(info->clk); + writel(0, info->enable_reg); + iio_device_unregister(indio_dev); + free_irq(info->irq, info); + iio_device_free(indio_dev); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int exynos_adc_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct exynos_adc *info = platform_get_drvdata(pdev); + u32 con; + + if (info->version == ADC_V2) { + con = readl(ADC_V2_CON1(info->regs)); + con &= ~ADC_CON_EN_START; + writel(con, ADC_V2_CON1(info->regs)); + } else { + con = readl(ADC_V1_CON(info->regs)); + con |= ADC_V1_CON_STANDBY; + writel(con, ADC_V1_CON(info->regs)); + } + + clk_disable_unprepare(info->clk); + writel(0, info->enable_reg); + regulator_disable(info->vdd); + + return 0; +} + +static int exynos_adc_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct exynos_adc *info = platform_get_drvdata(pdev); + int ret; + + ret = regulator_enable(info->vdd); + if (ret) + return ret; + + writel(1, info->enable_reg); + clk_prepare_enable(info->clk); + + exynos_adc_hw_init(info); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(exynos_adc_pm_ops, + exynos_adc_suspend, + exynos_adc_resume); + +static struct platform_driver exynos_adc_driver = { + .probe = exynos_adc_probe, + .remove = exynos_adc_remove, + .driver = { + .name = "exynos-adc", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(exynos_adc_match), + .pm = &exynos_adc_pm_ops, + }, +}; + +module_platform_driver(exynos_adc_driver); + +MODULE_AUTHOR("Naveen Krishna Chatradhi <ch.naveen@samsung.com>"); +MODULE_DESCRIPTION("Samsung EXYNOS5 ADC driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/adc/lp8788_adc.c b/drivers/iio/adc/lp8788_adc.c index 763f57565ee4..62bc39e9c94f 100644 --- a/drivers/iio/adc/lp8788_adc.c +++ b/drivers/iio/adc/lp8788_adc.c @@ -132,8 +132,8 @@ static const struct iio_info lp8788_adc_info = { .type = _type, \ .indexed = 1, \ .channel = LPADC_##_id, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE), \ .datasheet_name = #_id, \ } diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c index 6c1cfb74bdfc..9e6da72ad823 100644 --- a/drivers/iio/adc/max1363.c +++ b/drivers/iio/adc/max1363.c @@ -427,15 +427,15 @@ static const enum max1363_modes max1363_mode_list[] = { #define MAX1363_EV_M \ (IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) \ | IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING)) -#define MAX1363_INFO_MASK (IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT) + #define MAX1363_CHAN_U(num, addr, si, bits, evmask) \ { \ .type = IIO_VOLTAGE, \ .indexed = 1, \ .channel = num, \ .address = addr, \ - .info_mask = MAX1363_INFO_MASK, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .datasheet_name = "AIN"#num, \ .scan_type = { \ .sign = 'u', \ @@ -456,7 +456,8 @@ static const enum max1363_modes max1363_mode_list[] = { .channel = num, \ .channel2 = num2, \ .address = addr, \ - .info_mask = MAX1363_INFO_MASK, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .datasheet_name = "AIN"#num"-AIN"#num2, \ .scan_type = { \ .sign = 's', \ diff --git a/drivers/iio/adc/ti-adc081c.c b/drivers/iio/adc/ti-adc081c.c index f4a46dd8f43b..2826faae706c 100644 --- a/drivers/iio/adc/ti-adc081c.c +++ b/drivers/iio/adc/ti-adc081c.c @@ -55,8 +55,8 @@ static int adc081c_read_raw(struct iio_dev *iio, static const struct iio_chan_spec adc081c_channel = { .type = IIO_VOLTAGE, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_RAW_SEPARATE_BIT, + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), }; static const struct iio_info adc081c_info = { diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index cd030e100c39..5f9a7e7d3135 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -89,7 +89,7 @@ static int tiadc_channel_init(struct iio_dev *indio_dev, int channels) chan->type = IIO_VOLTAGE; chan->indexed = 1; chan->channel = i; - chan->info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT; + chan->info_mask_separate = BIT(IIO_CHAN_INFO_RAW); } indio_dev->channels = chan_array; diff --git a/drivers/iio/adc/viperboard_adc.c b/drivers/iio/adc/viperboard_adc.c index ad0261533dee..56ac481c73c0 100644 --- a/drivers/iio/adc/viperboard_adc.c +++ b/drivers/iio/adc/viperboard_adc.c @@ -41,7 +41,7 @@ struct vprbrd_adc { .type = IIO_VOLTAGE, \ .indexed = 1, \ .channel = _index, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ .scan_index = _index, \ .scan_type = { \ .sign = 'u', \ diff --git a/drivers/iio/amplifiers/ad8366.c b/drivers/iio/amplifiers/ad8366.c index d6c0af23a2a7..d354554b51b3 100644 --- a/drivers/iio/amplifiers/ad8366.c +++ b/drivers/iio/amplifiers/ad8366.c @@ -125,7 +125,7 @@ static const struct iio_info ad8366_info = { .output = 1, \ .indexed = 1, \ .channel = _channel, \ - .info_mask = IIO_CHAN_INFO_HARDWAREGAIN_SEPARATE_BIT,\ + .info_mask_separate = BIT(IIO_CHAN_INFO_HARDWAREGAIN),\ } static const struct iio_chan_spec ad8366_channels[] = { diff --git a/drivers/iio/common/st_sensors/st_sensors_spi.c b/drivers/iio/common/st_sensors/st_sensors_spi.c index f0aa2f105222..251baf6abc25 100644 --- a/drivers/iio/common/st_sensors/st_sensors_spi.c +++ b/drivers/iio/common/st_sensors/st_sensors_spi.c @@ -29,7 +29,6 @@ static unsigned int st_sensors_spi_get_irq(struct iio_dev *indio_dev) static int st_sensors_spi_read(struct st_sensor_transfer_buffer *tb, struct device *dev, u8 reg_addr, int len, u8 *data, bool multiread_bit) { - struct spi_message msg; int err; struct spi_transfer xfers[] = { @@ -51,10 +50,7 @@ static int st_sensors_spi_read(struct st_sensor_transfer_buffer *tb, else tb->tx_buf[0] = reg_addr | ST_SENSORS_SPI_READ; - spi_message_init(&msg); - spi_message_add_tail(&xfers[0], &msg); - spi_message_add_tail(&xfers[1], &msg); - err = spi_sync(to_spi_device(dev), &msg); + err = spi_sync_transfer(to_spi_device(dev), xfers, ARRAY_SIZE(xfers)); if (err) goto acc_spi_read_error; @@ -83,7 +79,6 @@ static int st_sensors_spi_read_multiple_byte( static int st_sensors_spi_write_byte(struct st_sensor_transfer_buffer *tb, struct device *dev, u8 reg_addr, u8 data) { - struct spi_message msg; int err; struct spi_transfer xfers = { @@ -96,9 +91,7 @@ static int st_sensors_spi_write_byte(struct st_sensor_transfer_buffer *tb, tb->tx_buf[0] = reg_addr; tb->tx_buf[1] = data; - spi_message_init(&msg); - spi_message_add_tail(&xfers, &msg); - err = spi_sync(to_spi_device(dev), &msg); + err = spi_sync_transfer(to_spi_device(dev), &xfers, 1); mutex_unlock(&tb->buf_lock); return err; diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c index 74f2d52795f6..aa26d50ab638 100644 --- a/drivers/iio/dac/ad5064.c +++ b/drivers/iio/dac/ad5064.c @@ -296,8 +296,8 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = { .indexed = 1, \ .output = 1, \ .channel = (chan), \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE), \ .address = addr, \ .scan_type = IIO_ST('u', (bits), 16, 20 - (bits)), \ .ext_info = ad5064_ext_info, \ diff --git a/drivers/iio/dac/ad5360.c b/drivers/iio/dac/ad5360.c index 92771217f665..80923af424f2 100644 --- a/drivers/iio/dac/ad5360.c +++ b/drivers/iio/dac/ad5360.c @@ -102,11 +102,11 @@ enum ad5360_type { .type = IIO_VOLTAGE, \ .indexed = 1, \ .output = 1, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_OFFSET) | \ + BIT(IIO_CHAN_INFO_CALIBSCALE) | \ + BIT(IIO_CHAN_INFO_CALIBBIAS), \ .scan_type = IIO_ST('u', (bits), 16, 16 - (bits)) \ } diff --git a/drivers/iio/dac/ad5380.c b/drivers/iio/dac/ad5380.c index 483fc379a2da..bf2db02215c2 100644 --- a/drivers/iio/dac/ad5380.c +++ b/drivers/iio/dac/ad5380.c @@ -257,10 +257,10 @@ static struct iio_chan_spec_ext_info ad5380_ext_info[] = { .type = IIO_VOLTAGE, \ .indexed = 1, \ .output = 1, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT | \ - IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_CALIBSCALE) | \ + BIT(IIO_CHAN_INFO_CALIBBIAS), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .scan_type = IIO_ST('u', (_bits), 16, 14 - (_bits)), \ .ext_info = ad5380_ext_info, \ } diff --git a/drivers/iio/dac/ad5421.c b/drivers/iio/dac/ad5421.c index 6b86a638dad0..98f24407c3ce 100644 --- a/drivers/iio/dac/ad5421.c +++ b/drivers/iio/dac/ad5421.c @@ -86,11 +86,11 @@ static const struct iio_chan_spec ad5421_channels[] = { .indexed = 1, .output = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_OFFSET_SHARED_BIT | - IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_CALIBSCALE) | + BIT(IIO_CHAN_INFO_CALIBBIAS), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_OFFSET), .scan_type = IIO_ST('u', 16, 16, 0), .event_mask = IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) | IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING), diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c index f5583aedfb59..cae8f6056ac3 100644 --- a/drivers/iio/dac/ad5446.c +++ b/drivers/iio/dac/ad5446.c @@ -143,8 +143,8 @@ static const struct iio_chan_spec_ext_info ad5446_ext_info_powerdown[] = { .indexed = 1, \ .output = 1, \ .channel = 0, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .scan_type = IIO_ST('u', (bits), (storage), (shift)), \ .ext_info = (ext), \ } diff --git a/drivers/iio/dac/ad5449.c b/drivers/iio/dac/ad5449.c index c4731b7b577b..ba1c914b0399 100644 --- a/drivers/iio/dac/ad5449.c +++ b/drivers/iio/dac/ad5449.c @@ -206,8 +206,8 @@ static const struct iio_info ad5449_info = { .indexed = 1, \ .output = 1, \ .channel = (chan), \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE), \ .address = (chan), \ .scan_type = IIO_ST('u', (bits), 16, 12 - (bits)), \ } diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c index e5e59749f109..139206e84cb7 100644 --- a/drivers/iio/dac/ad5504.c +++ b/drivers/iio/dac/ad5504.c @@ -259,8 +259,8 @@ static const struct iio_chan_spec_ext_info ad5504_ext_info[] = { .indexed = 1, \ .output = 1, \ .channel = (_chan), \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .address = AD5504_ADDR_DAC(_chan), \ .scan_type = IIO_ST('u', 12, 16, 0), \ .ext_info = ad5504_ext_info, \ diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c index f6e116627b71..bb298aaff321 100644 --- a/drivers/iio/dac/ad5624r_spi.c +++ b/drivers/iio/dac/ad5624r_spi.c @@ -174,8 +174,8 @@ static const struct iio_chan_spec_ext_info ad5624r_ext_info[] = { .indexed = 1, \ .output = 1, \ .channel = (_chan), \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .address = (_chan), \ .scan_type = IIO_ST('u', (_bits), 16, 16 - (_bits)), \ .ext_info = ad5624r_ext_info, \ diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c index 5e554af21703..06439b1af9b6 100644 --- a/drivers/iio/dac/ad5686.c +++ b/drivers/iio/dac/ad5686.c @@ -276,9 +276,9 @@ static const struct iio_chan_spec_ext_info ad5686_ext_info[] = { .indexed = 1, \ .output = 1, \ .channel = chan, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT, \ - .address = AD5686_ADDR_DAC(chan), \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),\ + .address = AD5686_ADDR_DAC(chan), \ .scan_type = IIO_ST('u', bits, 16, shift), \ .ext_info = ad5686_ext_info, \ } diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c index 71faabc6b14e..12bb315e55f8 100644 --- a/drivers/iio/dac/ad5755.c +++ b/drivers/iio/dac/ad5755.c @@ -393,11 +393,11 @@ static const struct iio_chan_spec_ext_info ad5755_ext_info[] = { #define AD5755_CHANNEL(_bits) { \ .indexed = 1, \ .output = 1, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_OFFSET) | \ + BIT(IIO_CHAN_INFO_CALIBSCALE) | \ + BIT(IIO_CHAN_INFO_CALIBBIAS), \ .scan_type = IIO_ST('u', (_bits), 16, 16 - (_bits)), \ .ext_info = ad5755_ext_info, \ } diff --git a/drivers/iio/dac/ad5764.c b/drivers/iio/dac/ad5764.c index 5b7acd3a2c77..7a53f7d70dac 100644 --- a/drivers/iio/dac/ad5764.c +++ b/drivers/iio/dac/ad5764.c @@ -78,11 +78,11 @@ enum ad5764_type { .output = 1, \ .channel = (_chan), \ .address = (_chan), \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_OFFSET_SHARED_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_CALIBSCALE) | \ + BIT(IIO_CHAN_INFO_CALIBBIAS), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET), \ .scan_type = IIO_ST('u', (_bits), 16, 16 - (_bits)) \ } diff --git a/drivers/iio/dac/ad5791.c b/drivers/iio/dac/ad5791.c index 8dfd3da8a07b..97c1e5d780df 100644 --- a/drivers/iio/dac/ad5791.c +++ b/drivers/iio/dac/ad5791.c @@ -302,9 +302,9 @@ static const struct iio_chan_spec_ext_info ad5791_ext_info[] = { .indexed = 1, \ .address = AD5791_ADDR_DAC0, \ .channel = 0, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT | \ - IIO_CHAN_INFO_OFFSET_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_OFFSET), \ .scan_type = IIO_ST('u', bits, 24, shift), \ .ext_info = ad5791_ext_info, \ } diff --git a/drivers/iio/dac/max517.c b/drivers/iio/dac/max517.c index 352abe2004a4..ebfaa4156246 100644 --- a/drivers/iio/dac/max517.c +++ b/drivers/iio/dac/max517.c @@ -146,8 +146,8 @@ static const struct iio_info max517_info = { .indexed = 1, \ .output = 1, \ .channel = (chan), \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE), \ .scan_type = IIO_ST('u', 8, 8, 0), \ } diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c index 8f88cc4059a2..a612ec766d96 100644 --- a/drivers/iio/dac/mcp4725.c +++ b/drivers/iio/dac/mcp4725.c @@ -69,8 +69,8 @@ static const struct iio_chan_spec mcp4725_channel = { .indexed = 1, .output = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .scan_type = IIO_ST('u', 12, 16, 0), }; diff --git a/drivers/iio/frequency/ad9523.c b/drivers/iio/frequency/ad9523.c index 1ea132e239ea..92276deeb026 100644 --- a/drivers/iio/frequency/ad9523.c +++ b/drivers/iio/frequency/ad9523.c @@ -920,10 +920,10 @@ static int ad9523_setup(struct iio_dev *indio_dev) st->ad9523_channels[i].channel = chan->channel_num; st->ad9523_channels[i].extend_name = chan->extended_name; - st->ad9523_channels[i].info_mask = - IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_PHASE_SEPARATE_BIT | - IIO_CHAN_INFO_FREQUENCY_SEPARATE_BIT; + st->ad9523_channels[i].info_mask_separate = + BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_PHASE) | + BIT(IIO_CHAN_INFO_FREQUENCY); } } diff --git a/drivers/iio/gyro/adis16080.c b/drivers/iio/gyro/adis16080.c index 1861287911f1..e1bb5f994a54 100644 --- a/drivers/iio/gyro/adis16080.c +++ b/drivers/iio/gyro/adis16080.c @@ -136,32 +136,32 @@ static const struct iio_chan_spec adis16080_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), .address = ADIS16080_DIN_GYRO, }, { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_OFFSET), .address = ADIS16080_DIN_AIN1, }, { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_OFFSET), .address = ADIS16080_DIN_AIN2, }, { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_OFFSET), .address = ADIS16080_DIN_TEMP, } }; diff --git a/drivers/iio/gyro/adis16136.c b/drivers/iio/gyro/adis16136.c index 8cb0bcbfd609..058e6d5c955f 100644 --- a/drivers/iio/gyro/adis16136.c +++ b/drivers/iio/gyro/adis16136.c @@ -357,10 +357,11 @@ static const struct iio_chan_spec adis16136_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_CALIBBIAS) | + BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + .address = ADIS16136_REG_GYRO_OUT2, .scan_index = ADIS16136_SCAN_GYRO, .scan_type = { @@ -373,8 +374,8 @@ static const struct iio_chan_spec adis16136_channels[] = { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), .address = ADIS16136_REG_TEMP_OUT, .scan_index = ADIS16136_SCAN_TEMP, .scan_type = { diff --git a/drivers/iio/gyro/adxrs450.c b/drivers/iio/gyro/adxrs450.c index 5b79953f7011..8bd72b490b7f 100644 --- a/drivers/iio/gyro/adxrs450.c +++ b/drivers/iio/gyro/adxrs450.c @@ -383,16 +383,16 @@ static const struct iio_chan_spec adxrs450_channels[2][2] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | - IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_CALIBBIAS) | + BIT(IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW) | + BIT(IIO_CHAN_INFO_SCALE), }, { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), } }, [ID_ADXRS453] = { @@ -400,15 +400,15 @@ static const struct iio_chan_spec adxrs450_channels[2][2] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW), }, { .type = IIO_TEMP, .indexed = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), } }, }; diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c index fcfc83a9f861..bc943dd47da5 100644 --- a/drivers/iio/gyro/hid-sensor-gyro-3d.c +++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c @@ -60,28 +60,28 @@ static const struct iio_chan_spec gyro_3d_channels[] = { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_OFFSET_SHARED_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT | - IIO_CHAN_INFO_HYSTERESIS_SHARED_BIT, + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_X, }, { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_OFFSET_SHARED_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT | - IIO_CHAN_INFO_HYSTERESIS_SHARED_BIT, + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_Y, }, { .type = IIO_ANGL_VEL, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_OFFSET_SHARED_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT | - IIO_CHAN_INFO_HYSTERESIS_SHARED_BIT, + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_Z, } }; diff --git a/drivers/iio/gyro/itg3200_core.c b/drivers/iio/gyro/itg3200_core.c index df2e6aa5d73b..d66605d2629d 100644 --- a/drivers/iio/gyro/itg3200_core.c +++ b/drivers/iio/gyro/itg3200_core.c @@ -248,12 +248,6 @@ err_ret: return ret; } -#define ITG3200_TEMP_INFO_MASK (IIO_CHAN_INFO_OFFSET_SHARED_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT | \ - IIO_CHAN_INFO_RAW_SEPARATE_BIT) -#define ITG3200_GYRO_INFO_MASK (IIO_CHAN_INFO_SCALE_SHARED_BIT | \ - IIO_CHAN_INFO_RAW_SEPARATE_BIT) - #define ITG3200_ST \ { .sign = 's', .realbits = 16, .storagebits = 16, .endianness = IIO_BE } @@ -261,7 +255,8 @@ err_ret: .type = IIO_ANGL_VEL, \ .modified = 1, \ .channel2 = IIO_MOD_ ## _mod, \ - .info_mask = ITG3200_GYRO_INFO_MASK, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .address = ITG3200_REG_GYRO_ ## _mod ## OUT_H, \ .scan_index = ITG3200_SCAN_GYRO_ ## _mod, \ .scan_type = ITG3200_ST, \ @@ -271,7 +266,9 @@ static const struct iio_chan_spec itg3200_channels[] = { { .type = IIO_TEMP, .channel2 = IIO_NO_MOD, - .info_mask = ITG3200_TEMP_INFO_MASK, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE), .address = ITG3200_REG_TEMP_OUT_H, .scan_index = ITG3200_SCAN_TEMP, .scan_type = ITG3200_ST, diff --git a/drivers/iio/iio_core.h b/drivers/iio/iio_core.h index f652e6ae5a35..05c1b74502a3 100644 --- a/drivers/iio/iio_core.h +++ b/drivers/iio/iio_core.h @@ -18,6 +18,7 @@ struct iio_chan_spec; struct iio_dev; +extern struct device_type iio_device_type; int __iio_add_chan_devattr(const char *postfix, struct iio_chan_spec const *chan, diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c index b7f215eab5de..f60591f0b925 100644 --- a/drivers/iio/imu/adis16400_core.c +++ b/drivers/iio/imu/adis16400_core.c @@ -484,8 +484,8 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, .indexed = 1, \ .channel = 0, \ .extend_name = name, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE), \ .address = (addr), \ .scan_index = (si), \ .scan_type = { \ @@ -507,10 +507,10 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, .type = IIO_ANGL_VEL, \ .modified = 1, \ .channel2 = IIO_MOD_ ## mod, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT | \ - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_CALIBBIAS), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), \ .address = addr, \ .scan_index = ADIS16400_SCAN_GYRO_ ## mod, \ .scan_type = { \ @@ -526,10 +526,10 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, .type = IIO_ACCEL, \ .modified = 1, \ .channel2 = IIO_MOD_ ## mod, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT | \ - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_CALIBBIAS), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), \ .address = (addr), \ .scan_index = ADIS16400_SCAN_ACC_ ## mod, \ .scan_type = { \ @@ -545,9 +545,9 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, .type = IIO_MAGN, \ .modified = 1, \ .channel2 = IIO_MOD_ ## mod, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT | \ - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), \ .address = (addr), \ .scan_index = ADIS16400_SCAN_MAGN_ ## mod, \ .scan_type = { \ @@ -568,10 +568,11 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, .indexed = 1, \ .channel = 0, \ .extend_name = ADIS16400_MOD_TEMP_NAME_ ## mod, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_OFFSET) | \ + BIT(IIO_CHAN_INFO_SCALE), \ + .info_mask_shared_by_type = \ + BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), \ .address = (addr), \ .scan_index = ADIS16350_SCAN_TEMP_ ## mod, \ .scan_type = { \ @@ -587,9 +588,9 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, .type = IIO_TEMP, \ .indexed = 1, \ .channel = 0, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_OFFSET) | \ + BIT(IIO_CHAN_INFO_SCALE), \ .address = (addr), \ .scan_index = ADIS16350_SCAN_TEMP_X, \ .scan_type = { \ @@ -605,8 +606,8 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, .type = IIO_INCLI, \ .modified = 1, \ .channel2 = IIO_MOD_ ## mod, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .address = (addr), \ .scan_index = ADIS16300_SCAN_INCLI_ ## mod, \ .scan_type = { \ @@ -646,8 +647,8 @@ static const struct iio_chan_spec adis16448_channels[] = { ADIS16400_MAGN_CHAN(Z, ADIS16400_ZMAGN_OUT, 16), { .type = IIO_PRESSURE, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .address = ADIS16448_BARO_OUT, .scan_index = ADIS16400_SCAN_BARO, .scan_type = IIO_ST('s', 16, 16, 0), diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c index 8c26a5f7cd5d..b7db38376295 100644 --- a/drivers/iio/imu/adis16480.c +++ b/drivers/iio/imu/adis16480.c @@ -591,15 +591,15 @@ static int adis16480_write_raw(struct iio_dev *indio_dev, } } -#define ADIS16480_MOD_CHANNEL(_type, _mod, _address, _si, _info, _bits) \ +#define ADIS16480_MOD_CHANNEL(_type, _mod, _address, _si, _info_sep, _bits) \ { \ .type = (_type), \ .modified = 1, \ .channel2 = (_mod), \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT | \ - _info, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_CALIBBIAS) | \ + _info_sep, \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .address = (_address), \ .scan_index = (_si), \ .scan_type = { \ @@ -613,21 +613,21 @@ static int adis16480_write_raw(struct iio_dev *indio_dev, #define ADIS16480_GYRO_CHANNEL(_mod) \ ADIS16480_MOD_CHANNEL(IIO_ANGL_VEL, IIO_MOD_ ## _mod, \ ADIS16480_REG_ ## _mod ## _GYRO_OUT, ADIS16480_SCAN_GYRO_ ## _mod, \ - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, \ + BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY) | \ + BIT(IIO_CHAN_INFO_CALIBSCALE), \ 32) #define ADIS16480_ACCEL_CHANNEL(_mod) \ ADIS16480_MOD_CHANNEL(IIO_ACCEL, IIO_MOD_ ## _mod, \ ADIS16480_REG_ ## _mod ## _ACCEL_OUT, ADIS16480_SCAN_ACCEL_ ## _mod, \ - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, \ + BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY) | \ + BIT(IIO_CHAN_INFO_CALIBSCALE), \ 32) #define ADIS16480_MAGN_CHANNEL(_mod) \ ADIS16480_MOD_CHANNEL(IIO_MAGN, IIO_MOD_ ## _mod, \ ADIS16480_REG_ ## _mod ## _MAGN_OUT, ADIS16480_SCAN_MAGN_ ## _mod, \ - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SEPARATE_BIT, \ + BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), \ 16) #define ADIS16480_PRESSURE_CHANNEL() \ @@ -635,9 +635,9 @@ static int adis16480_write_raw(struct iio_dev *indio_dev, .type = IIO_PRESSURE, \ .indexed = 1, \ .channel = 0, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_CALIBBIAS) | \ + BIT(IIO_CHAN_INFO_SCALE), \ .address = ADIS16480_REG_BAROM_OUT, \ .scan_index = ADIS16480_SCAN_BARO, \ .scan_type = { \ @@ -652,9 +652,9 @@ static int adis16480_write_raw(struct iio_dev *indio_dev, .type = IIO_TEMP, \ .indexed = 1, \ .channel = 0, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_OFFSET), \ .address = ADIS16480_REG_TEMP_OUT, \ .scan_index = ADIS16480_SCAN_TEMP, \ .scan_type = { \ diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 37ca05b47e4b..fe4c61e219f3 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -544,8 +544,8 @@ static int inv_mpu6050_validate_trigger(struct iio_dev *indio_dev, .type = _type, \ .modified = 1, \ .channel2 = _channel2, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT \ - | IIO_CHAN_INFO_RAW_SEPARATE_BIT, \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ .scan_index = _index, \ .scan_type = { \ .sign = 's', \ @@ -564,9 +564,9 @@ static const struct iio_chan_spec inv_mpu_channels[] = { */ { .type = IIO_TEMP, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT - | IIO_CHAN_INFO_OFFSET_SEPARATE_BIT - | IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) + | BIT(IIO_CHAN_INFO_OFFSET) + | BIT(IIO_CHAN_INFO_SCALE), .scan_index = -1, }, INV_MPU6050_CHAN(IIO_ANGL_VEL, IIO_MOD_X, INV_MPU6050_SCAN_GYRO_X), diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c index 331781ffbb15..7da0832f187b 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c @@ -105,9 +105,8 @@ irqreturn_t inv_mpu6050_irq_handler(int irq, void *p) s64 timestamp; timestamp = iio_get_time_ns(); - spin_lock(&st->time_stamp_lock); - kfifo_in(&st->timestamps, ×tamp, 1); - spin_unlock(&st->time_stamp_lock); + kfifo_in_spinlocked(&st->timestamps, ×tamp, 1, + &st->time_stamp_lock); return IRQ_WAKE_THREAD; } diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 8848f16c547b..e145931ef1b8 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -691,21 +691,34 @@ static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev, if (chan->channel < 0) return 0; - for_each_set_bit(i, &chan->info_mask, sizeof(long)*8) { - ret = __iio_add_chan_devattr(iio_chan_info_postfix[i/2], + for_each_set_bit(i, &chan->info_mask_separate, sizeof(long)*8) { + ret = __iio_add_chan_devattr(iio_chan_info_postfix[i], chan, &iio_read_channel_info, &iio_write_channel_info, - i/2, - !(i%2), + i, + 0, &indio_dev->dev, &indio_dev->channel_attr_list); - if (ret == -EBUSY && (i%2 == 0)) { + if (ret < 0) + goto error_ret; + attrcount++; + } + for_each_set_bit(i, &chan->info_mask_shared_by_type, sizeof(long)*8) { + ret = __iio_add_chan_devattr(iio_chan_info_postfix[i], + chan, + &iio_read_channel_info, + &iio_write_channel_info, + i, + 1, + &indio_dev->dev, + &indio_dev->channel_attr_list); + if (ret == -EBUSY) { ret = 0; continue; - } - if (ret < 0) + } else if (ret < 0) { goto error_ret; + } attrcount++; } @@ -847,7 +860,7 @@ static void iio_dev_release(struct device *device) kfree(indio_dev); } -static struct device_type iio_dev_type = { +struct device_type iio_device_type = { .name = "iio_device", .release = iio_dev_release, }; @@ -869,7 +882,7 @@ struct iio_dev *iio_device_alloc(int sizeof_priv) if (dev) { dev->dev.groups = dev->groups; - dev->dev.type = &iio_dev_type; + dev->dev.type = &iio_device_type; dev->dev.bus = &iio_bus_type; device_initialize(&dev->dev); dev_set_drvdata(&dev->dev, (void *)dev); @@ -960,6 +973,10 @@ int iio_device_register(struct iio_dev *indio_dev) { int ret; + /* If the calling driver did not initialize of_node, do it here */ + if (!indio_dev->dev.of_node && indio_dev->dev.parent) + indio_dev->dev.of_node = indio_dev->dev.parent->of_node; + /* configure elements for the chrdev */ indio_dev->dev.devt = MKDEV(MAJOR(iio_devt), indio_dev->id); diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c index 261cae00557e..10aa9ef86cec 100644 --- a/drivers/iio/industrialio-event.c +++ b/drivers/iio/industrialio-event.c @@ -46,10 +46,11 @@ int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp) { struct iio_event_interface *ev_int = indio_dev->event_interface; struct iio_event_data ev; + unsigned long flags; int copied; /* Does anyone care? */ - spin_lock(&ev_int->wait.lock); + spin_lock_irqsave(&ev_int->wait.lock, flags); if (test_bit(IIO_BUSY_BIT_POS, &ev_int->flags)) { ev.id = ev_code; @@ -59,7 +60,7 @@ int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp) if (copied != 0) wake_up_locked_poll(&ev_int->wait, POLLIN); } - spin_unlock(&ev_int->wait.lock); + spin_unlock_irqrestore(&ev_int->wait.lock, flags); return 0; } @@ -76,10 +77,10 @@ static unsigned int iio_event_poll(struct file *filep, poll_wait(filep, &ev_int->wait, wait); - spin_lock(&ev_int->wait.lock); + spin_lock_irq(&ev_int->wait.lock); if (!kfifo_is_empty(&ev_int->det_events)) events = POLLIN | POLLRDNORM; - spin_unlock(&ev_int->wait.lock); + spin_unlock_irq(&ev_int->wait.lock); return events; } @@ -96,14 +97,14 @@ static ssize_t iio_event_chrdev_read(struct file *filep, if (count < sizeof(struct iio_event_data)) return -EINVAL; - spin_lock(&ev_int->wait.lock); + spin_lock_irq(&ev_int->wait.lock); if (kfifo_is_empty(&ev_int->det_events)) { if (filep->f_flags & O_NONBLOCK) { ret = -EAGAIN; goto error_unlock; } /* Blocking on device; waiting for something to be there */ - ret = wait_event_interruptible_locked(ev_int->wait, + ret = wait_event_interruptible_locked_irq(ev_int->wait, !kfifo_is_empty(&ev_int->det_events)); if (ret) goto error_unlock; @@ -113,7 +114,7 @@ static ssize_t iio_event_chrdev_read(struct file *filep, ret = kfifo_to_user(&ev_int->det_events, buf, count, &copied); error_unlock: - spin_unlock(&ev_int->wait.lock); + spin_unlock_irq(&ev_int->wait.lock); return ret ? ret : copied; } @@ -122,7 +123,7 @@ static int iio_event_chrdev_release(struct inode *inode, struct file *filep) { struct iio_event_interface *ev_int = filep->private_data; - spin_lock(&ev_int->wait.lock); + spin_lock_irq(&ev_int->wait.lock); __clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); /* * In order to maintain a clean state for reopening, @@ -130,7 +131,7 @@ static int iio_event_chrdev_release(struct inode *inode, struct file *filep) * any new __iio_push_event calls running. */ kfifo_reset_out(&ev_int->det_events); - spin_unlock(&ev_int->wait.lock); + spin_unlock_irq(&ev_int->wait.lock); return 0; } @@ -151,18 +152,18 @@ int iio_event_getfd(struct iio_dev *indio_dev) if (ev_int == NULL) return -ENODEV; - spin_lock(&ev_int->wait.lock); + spin_lock_irq(&ev_int->wait.lock); if (__test_and_set_bit(IIO_BUSY_BIT_POS, &ev_int->flags)) { - spin_unlock(&ev_int->wait.lock); + spin_unlock_irq(&ev_int->wait.lock); return -EBUSY; } - spin_unlock(&ev_int->wait.lock); + spin_unlock_irq(&ev_int->wait.lock); fd = anon_inode_getfd("iio:event", &iio_event_chrdev_fileops, ev_int, O_RDONLY); if (fd < 0) { - spin_lock(&ev_int->wait.lock); + spin_lock_irq(&ev_int->wait.lock); __clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); - spin_unlock(&ev_int->wait.lock); + spin_unlock_irq(&ev_int->wait.lock); } return fd; } diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index b289915b8469..795d100b4c36 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -10,6 +10,7 @@ #include <linux/export.h> #include <linux/slab.h> #include <linux/mutex.h> +#include <linux/of.h> #include <linux/iio/iio.h> #include "iio_core.h" @@ -92,6 +93,164 @@ static const struct iio_chan_spec return chan; } +#ifdef CONFIG_OF + +static int iio_dev_node_match(struct device *dev, void *data) +{ + return dev->of_node == data && dev->type == &iio_device_type; +} + +static int __of_iio_channel_get(struct iio_channel *channel, + struct device_node *np, int index) +{ + struct device *idev; + struct iio_dev *indio_dev; + int err; + struct of_phandle_args iiospec; + + err = of_parse_phandle_with_args(np, "io-channels", + "#io-channel-cells", + index, &iiospec); + if (err) + return err; + + idev = bus_find_device(&iio_bus_type, NULL, iiospec.np, + iio_dev_node_match); + of_node_put(iiospec.np); + if (idev == NULL) + return -EPROBE_DEFER; + + indio_dev = dev_to_iio_dev(idev); + channel->indio_dev = indio_dev; + index = iiospec.args_count ? iiospec.args[0] : 0; + if (index >= indio_dev->num_channels) { + return -EINVAL; + goto err_put; + } + channel->channel = &indio_dev->channels[index]; + + return 0; + +err_put: + iio_device_put(indio_dev); + return err; +} + +static struct iio_channel *of_iio_channel_get(struct device_node *np, int index) +{ + struct iio_channel *channel; + int err; + + if (index < 0) + return ERR_PTR(-EINVAL); + + channel = kzalloc(sizeof(*channel), GFP_KERNEL); + if (channel == NULL) + return ERR_PTR(-ENOMEM); + + err = __of_iio_channel_get(channel, np, index); + if (err) + goto err_free_channel; + + return channel; + +err_free_channel: + kfree(channel); + return ERR_PTR(err); +} + +static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np, + const char *name) +{ + struct iio_channel *chan = NULL; + + /* Walk up the tree of devices looking for a matching iio channel */ + while (np) { + int index = 0; + + /* + * For named iio channels, first look up the name in the + * "io-channel-names" property. If it cannot be found, the + * index will be an error code, and of_iio_channel_get() + * will fail. + */ + if (name) + index = of_property_match_string(np, "io-channel-names", + name); + chan = of_iio_channel_get(np, index); + if (!IS_ERR(chan)) + break; + else if (name && index >= 0) { + pr_err("ERROR: could not get IIO channel %s:%s(%i)\n", + np->full_name, name ? name : "", index); + return chan; + } + + /* + * No matching IIO channel found on this node. + * If the parent node has a "io-channel-ranges" property, + * then we can try one of its channels. + */ + np = np->parent; + if (np && !of_get_property(np, "io-channel-ranges", NULL)) + break; + } + return chan; +} + +static struct iio_channel *of_iio_channel_get_all(struct device *dev) +{ + struct iio_channel *chans; + int i, mapind, nummaps = 0; + int ret; + + do { + ret = of_parse_phandle_with_args(dev->of_node, + "io-channels", + "#io-channel-cells", + nummaps, NULL); + if (ret < 0) + break; + } while (++nummaps); + + if (nummaps == 0) /* no error, return NULL to search map table */ + return NULL; + + /* NULL terminated array to save passing size */ + chans = kcalloc(nummaps + 1, sizeof(*chans), GFP_KERNEL); + if (chans == NULL) + return ERR_PTR(-ENOMEM); + + /* Search for OF matches */ + for (mapind = 0; mapind < nummaps; mapind++) { + ret = __of_iio_channel_get(&chans[mapind], dev->of_node, + mapind); + if (ret) + goto error_free_chans; + } + return chans; + +error_free_chans: + for (i = 0; i < mapind; i++) + iio_device_put(chans[i].indio_dev); + kfree(chans); + return ERR_PTR(ret); +} + +#else /* CONFIG_OF */ + +static inline struct iio_channel * +of_iio_channel_get_by_name(struct device_node *np, const char *name) +{ + return NULL; +} + +static inline struct iio_channel *of_iio_channel_get_all(struct device *dev) +{ + return NULL; +} + +#endif /* CONFIG_OF */ static struct iio_channel *iio_channel_get_sys(const char *name, const char *channel_name) @@ -150,7 +309,14 @@ struct iio_channel *iio_channel_get(struct device *dev, const char *channel_name) { const char *name = dev ? dev_name(dev) : NULL; + struct iio_channel *channel; + if (dev) { + channel = of_iio_channel_get_by_name(dev->of_node, + channel_name); + if (channel != NULL) + return channel; + } return iio_channel_get_sys(name, channel_name); } EXPORT_SYMBOL_GPL(iio_channel_get); @@ -173,6 +339,11 @@ struct iio_channel *iio_channel_get_all(struct device *dev) if (dev == NULL) return ERR_PTR(-EINVAL); + + chans = of_iio_channel_get_all(dev); + if (chans) + return chans; + name = dev_name(dev); mutex_lock(&iio_map_list_lock); diff --git a/drivers/iio/light/adjd_s311.c b/drivers/iio/light/adjd_s311.c index d5b9d39d95b2..5f4749e60b04 100644 --- a/drivers/iio/light/adjd_s311.c +++ b/drivers/iio/light/adjd_s311.c @@ -207,8 +207,8 @@ static const struct iio_chan_spec_ext_info adjd_s311_ext_info[] = { .type = IIO_INTENSITY, \ .modified = 1, \ .address = (IDX_##_color), \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_HARDWAREGAIN_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_HARDWAREGAIN), \ .channel2 = (IIO_MOD_LIGHT_##_color), \ .scan_index = (_scan_idx), \ .scan_type = IIO_ST('u', 10, 16, 0), \ diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c index 3d7e8c9b4beb..80d68ff02d29 100644 --- a/drivers/iio/light/hid-sensor-als.c +++ b/drivers/iio/light/hid-sensor-als.c @@ -49,10 +49,10 @@ static const struct iio_chan_spec als_channels[] = { .type = IIO_INTENSITY, .modified = 1, .channel2 = IIO_MOD_LIGHT_BOTH, - .info_mask = IIO_CHAN_INFO_OFFSET_SHARED_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT | - IIO_CHAN_INFO_HYSTERESIS_SHARED_BIT, + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_ILLUM, } }; diff --git a/drivers/iio/light/lm3533-als.c b/drivers/iio/light/lm3533-als.c index 7503012ce933..5fa31a4ef82a 100644 --- a/drivers/iio/light/lm3533-als.c +++ b/drivers/iio/light/lm3533-als.c @@ -231,7 +231,7 @@ static int lm3533_als_read_raw(struct iio_dev *indio_dev, .channel = _channel, \ .indexed = true, \ .output = true, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ } static const struct iio_chan_spec lm3533_als_channels[] = { @@ -239,8 +239,8 @@ static const struct iio_chan_spec lm3533_als_channels[] = { .type = IIO_LIGHT, .channel = 0, .indexed = true, - .info_mask = (IIO_CHAN_INFO_AVERAGE_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_RAW_SEPARATE_BIT), + .info_mask_separate = BIT(IIO_CHAN_INFO_AVERAGE_RAW) | + BIT(IIO_CHAN_INFO_RAW), }, CHANNEL_CURRENT(0), CHANNEL_CURRENT(1), diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c index fd8be69b7d05..1f529f36f138 100644 --- a/drivers/iio/light/tsl2563.c +++ b/drivers/iio/light/tsl2563.c @@ -530,14 +530,14 @@ static const struct iio_chan_spec tsl2563_channels[] = { { .type = IIO_LIGHT, .indexed = 1, - .info_mask = IIO_CHAN_INFO_PROCESSED_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED), .channel = 0, }, { .type = IIO_INTENSITY, .modified = 1, .channel2 = IIO_MOD_LIGHT_BOTH, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_CALIBSCALE), .event_mask = (IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) | IIO_EV_BIT(IIO_EV_TYPE_THRESH, @@ -546,8 +546,8 @@ static const struct iio_chan_spec tsl2563_channels[] = { .type = IIO_INTENSITY, .modified = 1, .channel2 = IIO_MOD_LIGHT_IR, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_CALIBSCALE), } }; diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c index 2aa748fbdc0e..1014943d949a 100644 --- a/drivers/iio/light/vcnl4000.c +++ b/drivers/iio/light/vcnl4000.c @@ -93,11 +93,11 @@ static int vcnl4000_measure(struct vcnl4000_data *data, u8 req_mask, static const struct iio_chan_spec vcnl4000_channels[] = { { .type = IIO_LIGHT, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), }, { .type = IIO_PROXIMITY, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), } }; diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c index d8d01265220b..99f4e494513b 100644 --- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c +++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c @@ -60,28 +60,28 @@ static const struct iio_chan_spec magn_3d_channels[] = { .type = IIO_MAGN, .modified = 1, .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_OFFSET_SHARED_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT | - IIO_CHAN_INFO_HYSTERESIS_SHARED_BIT, + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_X, }, { .type = IIO_MAGN, .modified = 1, .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_OFFSET_SHARED_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT | - IIO_CHAN_INFO_HYSTERESIS_SHARED_BIT, + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_Y, }, { .type = IIO_MAGN, .modified = 1, .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_OFFSET_SHARED_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT | - IIO_CHAN_INFO_HYSTERESIS_SHARED_BIT, + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_Z, } }; |