diff options
Diffstat (limited to 'drivers/staging/iio/dac')
-rw-r--r-- | drivers/staging/iio/dac/Kconfig | 6 | ||||
-rw-r--r-- | drivers/staging/iio/dac/ad5064.c | 29 | ||||
-rw-r--r-- | drivers/staging/iio/dac/ad5360.c | 17 | ||||
-rw-r--r-- | drivers/staging/iio/dac/ad5380.c | 17 | ||||
-rw-r--r-- | drivers/staging/iio/dac/ad5421.c | 19 | ||||
-rw-r--r-- | drivers/staging/iio/dac/ad5446.c | 293 | ||||
-rw-r--r-- | drivers/staging/iio/dac/ad5446.h | 20 | ||||
-rw-r--r-- | drivers/staging/iio/dac/ad5504.c | 19 | ||||
-rw-r--r-- | drivers/staging/iio/dac/ad5624r_spi.c | 15 | ||||
-rw-r--r-- | drivers/staging/iio/dac/ad5686.c | 17 | ||||
-rw-r--r-- | drivers/staging/iio/dac/ad5764.c | 17 | ||||
-rw-r--r-- | drivers/staging/iio/dac/ad5791.c | 17 | ||||
-rw-r--r-- | drivers/staging/iio/dac/max517.c | 10 |
13 files changed, 226 insertions, 270 deletions
diff --git a/drivers/staging/iio/dac/Kconfig b/drivers/staging/iio/dac/Kconfig index a57803a..a626f03 100644 --- a/drivers/staging/iio/dac/Kconfig +++ b/drivers/staging/iio/dac/Kconfig @@ -56,12 +56,12 @@ config AD5624R_SPI AD5664R converters (DAC). This driver uses the common SPI interface. config AD5446 - tristate "Analog Devices AD5444/6, AD5620/40/60 and AD5542A/12A DAC SPI driver" + tristate "Analog Devices AD5446 and similar single channel DACs driver" depends on SPI help Say yes here to build support for Analog Devices AD5444, AD5446, - AD5512A, AD5542A, AD5543, AD5553, AD5601, AD5611, AD5620, AD5621, - AD5640, AD5660, AD5662 DACs. + AD5512A, AD5541A, AD5542A, AD5543, AD5553, AD5601, AD5611, AD5620, + AD5621, AD5640, AD5660, AD5662 DACs. To compile this driver as a module, choose M here: the module will be called ad5446. diff --git a/drivers/staging/iio/dac/ad5064.c b/drivers/staging/iio/dac/ad5064.c index 06b1627..047148a 100644 --- a/drivers/staging/iio/dac/ad5064.c +++ b/drivers/staging/iio/dac/ad5064.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/regulator/consumer.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #define AD5064_MAX_DAC_CHANNELS 8 @@ -144,14 +144,14 @@ static const char ad5064_powerdown_modes[][15] = { }; static ssize_t ad5064_read_powerdown_mode_available(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan, char *buf) + uintptr_t private, const struct iio_chan_spec *chan, char *buf) { return sprintf(buf, "%s %s %s\n", ad5064_powerdown_modes[1], ad5064_powerdown_modes[2], ad5064_powerdown_modes[3]); } static ssize_t ad5064_read_powerdown_mode(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan, char *buf) + uintptr_t private, const struct iio_chan_spec *chan, char *buf) { struct ad5064_state *st = iio_priv(indio_dev); @@ -160,7 +160,8 @@ static ssize_t ad5064_read_powerdown_mode(struct iio_dev *indio_dev, } static ssize_t ad5064_write_powerdown_mode(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan, const char *buf, size_t len) + uintptr_t private, const struct iio_chan_spec *chan, const char *buf, + size_t len) { struct ad5064_state *st = iio_priv(indio_dev); unsigned int mode, i; @@ -187,7 +188,7 @@ static ssize_t ad5064_write_powerdown_mode(struct iio_dev *indio_dev, } static ssize_t ad5064_read_dac_powerdown(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan, char *buf) + uintptr_t private, const struct iio_chan_spec *chan, char *buf) { struct ad5064_state *st = iio_priv(indio_dev); @@ -195,7 +196,8 @@ static ssize_t ad5064_read_dac_powerdown(struct iio_dev *indio_dev, } static ssize_t ad5064_write_dac_powerdown(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan, const char *buf, size_t len) + uintptr_t private, const struct iio_chan_spec *chan, const char *buf, + size_t len) { struct ad5064_state *st = iio_priv(indio_dev); bool pwr_down; @@ -235,7 +237,7 @@ static int ad5064_read_raw(struct iio_dev *indio_dev, int scale_uv; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: *val = st->dac_cache[chan->channel]; return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: @@ -260,7 +262,7 @@ static int ad5064_write_raw(struct iio_dev *indio_dev, int ret; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val > (1 << chan->scan_type.realbits) || val < 0) return -EINVAL; @@ -308,7 +310,8 @@ static struct iio_chan_spec_ext_info ad5064_ext_info[] = { .indexed = 1, \ .output = 1, \ .channel = (chan), \ - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ .address = AD5064_ADDR_DAC(chan), \ .scan_type = IIO_ST('u', (bits), 16, 20 - (bits)), \ .ext_info = ad5064_ext_info, \ @@ -442,7 +445,7 @@ static int __devinit ad5064_probe(struct spi_device *spi) unsigned int i; int ret; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -499,7 +502,7 @@ error_free_reg: if (!st->use_internal_vref) regulator_bulk_free(ad5064_num_vref(st), st->vref_reg); error_free: - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -517,7 +520,7 @@ static int __devexit ad5064_remove(struct spi_device *spi) regulator_bulk_free(ad5064_num_vref(st), st->vref_reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5360.c b/drivers/staging/iio/dac/ad5360.c index cec3693..26cac42 100644 --- a/drivers/staging/iio/dac/ad5360.c +++ b/drivers/staging/iio/dac/ad5360.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/regulator/consumer.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #define AD5360_CMD(x) ((x) << 22) @@ -103,7 +103,8 @@ enum ad5360_type { .type = IIO_VOLTAGE, \ .indexed = 1, \ .output = 1, \ - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \ + .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, \ @@ -319,7 +320,7 @@ static int ad5360_write_raw(struct iio_dev *indio_dev, unsigned int ofs_index; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val >= max_val || val < 0) return -EINVAL; @@ -376,7 +377,7 @@ static int ad5360_read_raw(struct iio_dev *indio_dev, int ret; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: ret = ad5360_read(indio_dev, AD5360_READBACK_X1A, chan->address); if (ret < 0) @@ -464,7 +465,7 @@ static int __devinit ad5360_probe(struct spi_device *spi) unsigned int i; int ret; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { dev_err(&spi->dev, "Failed to allocate iio device\n"); return -ENOMEM; @@ -519,7 +520,7 @@ error_free_reg: error_free_channels: kfree(indio_dev->channels); error_free: - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -536,7 +537,7 @@ static int __devexit ad5360_remove(struct spi_device *spi) regulator_bulk_disable(st->chip_info->num_vrefs, st->vref_reg); regulator_bulk_free(st->chip_info->num_vrefs, st->vref_reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5380.c b/drivers/staging/iio/dac/ad5380.c index 4c50716..4afb099 100644 --- a/drivers/staging/iio/dac/ad5380.c +++ b/drivers/staging/iio/dac/ad5380.c @@ -18,8 +18,8 @@ #include <linux/regmap.h> #include <linux/regulator/consumer.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" @@ -85,7 +85,8 @@ enum ad5380_type { .type = IIO_VOLTAGE, \ .indexed = 1, \ .output = 1, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT | \ + .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, \ .scan_type = IIO_ST('u', (_bits), 16, 14 - (_bits)) \ @@ -292,7 +293,7 @@ static int ad5380_write_raw(struct iio_dev *indio_dev, struct ad5380_state *st = iio_priv(indio_dev); switch (info) { - case 0: + case IIO_CHAN_INFO_RAW: case IIO_CHAN_INFO_CALIBSCALE: if (val >= max_val || val < 0) return -EINVAL; @@ -322,7 +323,7 @@ static int ad5380_read_raw(struct iio_dev *indio_dev, int ret; switch (info) { - case 0: + case IIO_CHAN_INFO_RAW: case IIO_CHAN_INFO_CALIBSCALE: ret = regmap_read(st->regmap, ad5380_info_to_reg(chan, info), val); @@ -388,7 +389,7 @@ static int __devinit ad5380_probe(struct device *dev, struct regmap *regmap, unsigned int ctrl = 0; int ret; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { dev_err(dev, "Failed to allocate iio device\n"); ret = -ENOMEM; @@ -454,7 +455,7 @@ error_free_reg: kfree(indio_dev->channels); error_free: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_regmap_exit: regmap_exit(regmap); @@ -476,7 +477,7 @@ static int __devexit ad5380_remove(struct device *dev) } regmap_exit(st->regmap); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5421.c b/drivers/staging/iio/dac/ad5421.c index 0b040b2..ffbd4c2 100644 --- a/drivers/staging/iio/dac/ad5421.c +++ b/drivers/staging/iio/dac/ad5421.c @@ -16,9 +16,9 @@ #include <linux/slab.h> #include <linux/sysfs.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> #include "dac.h" #include "ad5421.h" @@ -87,7 +87,8 @@ static const struct iio_chan_spec ad5421_channels[] = { .indexed = 1, .output = 1, .channel = 0, - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT | + .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, @@ -304,7 +305,7 @@ static int ad5421_read_raw(struct iio_dev *indio_dev, return -EINVAL; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: ret = ad5421_read(indio_dev, AD5421_REG_DAC_DATA); if (ret < 0) return ret; @@ -340,7 +341,7 @@ static int ad5421_write_raw(struct iio_dev *indio_dev, const unsigned int max_val = 1 << 16; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val >= max_val || val < 0) return -EINVAL; @@ -456,7 +457,7 @@ static int __devinit ad5421_probe(struct spi_device *spi) struct ad5421_state *st; int ret; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { dev_err(&spi->dev, "Failed to allocate iio device\n"); return -ENOMEM; @@ -511,7 +512,7 @@ error_free_irq: if (spi->irq) free_irq(spi->irq, indio_dev); error_free: - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -523,7 +524,7 @@ static int __devexit ad5421_remove(struct spi_device *spi) iio_device_unregister(indio_dev); if (spi->irq) free_irq(spi->irq, indio_dev); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c index 633ffbb..daa65b3 100644 --- a/drivers/staging/iio/dac/ad5446.c +++ b/drivers/staging/iio/dac/ad5446.c @@ -18,229 +18,212 @@ #include <linux/err.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #include "ad5446.h" -static void ad5446_store_sample(struct ad5446_state *st, unsigned val) +static int ad5446_write(struct ad5446_state *st, unsigned val) { - st->data.d16 = cpu_to_be16(AD5446_LOAD | val); + __be16 data = cpu_to_be16(val); + return spi_write(st->spi, &data, sizeof(data)); } -static void ad5542_store_sample(struct ad5446_state *st, unsigned val) +static int ad5660_write(struct ad5446_state *st, unsigned val) { - st->data.d16 = cpu_to_be16(val); -} + uint8_t data[3]; -static void ad5620_store_sample(struct ad5446_state *st, unsigned val) -{ - st->data.d16 = cpu_to_be16(AD5620_LOAD | val); -} + data[0] = (val >> 16) & 0xFF; + data[1] = (val >> 8) & 0xFF; + data[2] = val & 0xFF; -static void ad5660_store_sample(struct ad5446_state *st, unsigned val) -{ - val |= AD5660_LOAD; - st->data.d24[0] = (val >> 16) & 0xFF; - st->data.d24[1] = (val >> 8) & 0xFF; - st->data.d24[2] = val & 0xFF; + return spi_write(st->spi, data, sizeof(data)); } -static void ad5620_store_pwr_down(struct ad5446_state *st, unsigned mode) -{ - st->data.d16 = cpu_to_be16(mode << 14); -} +static const char * const ad5446_powerdown_modes[] = { + "", "1kohm_to_gnd", "100kohm_to_gnd", "three_state" +}; -static void ad5660_store_pwr_down(struct ad5446_state *st, unsigned mode) +static ssize_t ad5446_read_powerdown_mode_available(struct iio_dev *indio_dev, + uintptr_t private, const struct iio_chan_spec *chan, char *buf) { - unsigned val = mode << 16; - - st->data.d24[0] = (val >> 16) & 0xFF; - st->data.d24[1] = (val >> 8) & 0xFF; - st->data.d24[2] = val & 0xFF; + return sprintf(buf, "%s %s %s\n", ad5446_powerdown_modes[1], + ad5446_powerdown_modes[2], ad5446_powerdown_modes[3]); } -static ssize_t ad5446_write_powerdown_mode(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) +static ssize_t ad5446_write_powerdown_mode(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, + const char *buf, size_t len) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5446_state *st = iio_priv(indio_dev); + int i; - if (sysfs_streq(buf, "1kohm_to_gnd")) - st->pwr_down_mode = MODE_PWRDWN_1k; - else if (sysfs_streq(buf, "100kohm_to_gnd")) - st->pwr_down_mode = MODE_PWRDWN_100k; - else if (sysfs_streq(buf, "three_state")) - st->pwr_down_mode = MODE_PWRDWN_TRISTATE; - else + for (i = 1; i < ARRAY_SIZE(ad5446_powerdown_modes); i++) { + if (sysfs_streq(buf, ad5446_powerdown_modes[i])) { + st->pwr_down_mode = i; + break; + } + } + + if (i == ARRAY_SIZE(ad5446_powerdown_modes)) return -EINVAL; return len; } -static ssize_t ad5446_read_powerdown_mode(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t ad5446_read_powerdown_mode(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, + char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5446_state *st = iio_priv(indio_dev); - char mode[][15] = {"", "1kohm_to_gnd", "100kohm_to_gnd", "three_state"}; - - return sprintf(buf, "%s\n", mode[st->pwr_down_mode]); + return sprintf(buf, "%s\n", ad5446_powerdown_modes[st->pwr_down_mode]); } -static ssize_t ad5446_read_dac_powerdown(struct device *dev, - struct device_attribute *attr, +static ssize_t ad5446_read_dac_powerdown(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5446_state *st = iio_priv(indio_dev); return sprintf(buf, "%d\n", st->pwr_down); } -static ssize_t ad5446_write_dac_powerdown(struct device *dev, - struct device_attribute *attr, +static ssize_t ad5446_write_dac_powerdown(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, const char *buf, size_t len) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5446_state *st = iio_priv(indio_dev); - unsigned long readin; + unsigned int shift; + unsigned int val; + bool powerdown; int ret; - ret = strict_strtol(buf, 10, &readin); + ret = strtobool(buf, &powerdown); if (ret) return ret; - if (readin > 1) - ret = -EINVAL; - mutex_lock(&indio_dev->mlock); - st->pwr_down = readin; + st->pwr_down = powerdown; - if (st->pwr_down) - st->chip_info->store_pwr_down(st, st->pwr_down_mode); - else - st->chip_info->store_sample(st, st->cached_val); + if (st->pwr_down) { + shift = chan->scan_type.realbits + chan->scan_type.shift; + val = st->pwr_down_mode << shift; + } else { + val = st->cached_val; + } - ret = spi_sync(st->spi, &st->msg); + ret = st->chip_info->write(st, val); mutex_unlock(&indio_dev->mlock); return ret ? ret : len; } -static IIO_DEVICE_ATTR(out_voltage_powerdown_mode, S_IRUGO | S_IWUSR, - ad5446_read_powerdown_mode, - ad5446_write_powerdown_mode, 0); - -static IIO_CONST_ATTR(out_voltage_powerdown_mode_available, - "1kohm_to_gnd 100kohm_to_gnd three_state"); - -static IIO_DEVICE_ATTR(out_voltage0_powerdown, S_IRUGO | S_IWUSR, - ad5446_read_dac_powerdown, - ad5446_write_dac_powerdown, 0); - -static struct attribute *ad5446_attributes[] = { - &iio_dev_attr_out_voltage0_powerdown.dev_attr.attr, - &iio_dev_attr_out_voltage_powerdown_mode.dev_attr.attr, - &iio_const_attr_out_voltage_powerdown_mode_available.dev_attr.attr, - NULL, -}; - -static const struct attribute_group ad5446_attribute_group = { - .attrs = ad5446_attributes, +static const struct iio_chan_spec_ext_info ad5064_ext_info_powerdown[] = { + { + .name = "powerdown", + .read = ad5446_read_dac_powerdown, + .write = ad5446_write_dac_powerdown, + }, { + .name = "powerdown_mode", + .read = ad5446_read_powerdown_mode, + .write = ad5446_write_powerdown_mode, + }, { + .name = "powerdown_mode_available", + .shared = true, + .read = ad5446_read_powerdown_mode_available, + }, + { }, }; -#define AD5446_CHANNEL(bits, storage, shift) { \ +#define _AD5446_CHANNEL(bits, storage, shift, ext) { \ .type = IIO_VOLTAGE, \ .indexed = 1, \ .output = 1, \ .channel = 0, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ - .scan_type = IIO_ST('u', (bits), (storage), (shift)) \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .scan_type = IIO_ST('u', (bits), (storage), (shift)), \ + .ext_info = (ext), \ } +#define AD5446_CHANNEL(bits, storage, shift) \ + _AD5446_CHANNEL(bits, storage, shift, NULL) + +#define AD5446_CHANNEL_POWERDOWN(bits, storage, shift) \ + _AD5446_CHANNEL(bits, storage, shift, ad5064_ext_info_powerdown) + static const struct ad5446_chip_info ad5446_chip_info_tbl[] = { [ID_AD5444] = { .channel = AD5446_CHANNEL(12, 16, 2), - .store_sample = ad5446_store_sample, + .write = ad5446_write, }, [ID_AD5446] = { .channel = AD5446_CHANNEL(14, 16, 0), - .store_sample = ad5446_store_sample, + .write = ad5446_write, }, [ID_AD5541A] = { .channel = AD5446_CHANNEL(16, 16, 0), - .store_sample = ad5542_store_sample, - }, - [ID_AD5542A] = { - .channel = AD5446_CHANNEL(16, 16, 0), - .store_sample = ad5542_store_sample, - }, - [ID_AD5543] = { - .channel = AD5446_CHANNEL(16, 16, 0), - .store_sample = ad5542_store_sample, + .write = ad5446_write, }, [ID_AD5512A] = { .channel = AD5446_CHANNEL(12, 16, 4), - .store_sample = ad5542_store_sample, + .write = ad5446_write, }, [ID_AD5553] = { .channel = AD5446_CHANNEL(14, 16, 0), - .store_sample = ad5542_store_sample, + .write = ad5446_write, }, [ID_AD5601] = { - .channel = AD5446_CHANNEL(8, 16, 6), - .store_sample = ad5542_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .channel = AD5446_CHANNEL_POWERDOWN(8, 16, 6), + .write = ad5446_write, }, [ID_AD5611] = { - .channel = AD5446_CHANNEL(10, 16, 4), - .store_sample = ad5542_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .channel = AD5446_CHANNEL_POWERDOWN(10, 16, 4), + .write = ad5446_write, }, [ID_AD5621] = { - .channel = AD5446_CHANNEL(12, 16, 2), - .store_sample = ad5542_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .channel = AD5446_CHANNEL_POWERDOWN(12, 16, 2), + .write = ad5446_write, }, [ID_AD5620_2500] = { - .channel = AD5446_CHANNEL(12, 16, 2), + .channel = AD5446_CHANNEL_POWERDOWN(12, 16, 2), .int_vref_mv = 2500, - .store_sample = ad5620_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .write = ad5446_write, }, [ID_AD5620_1250] = { - .channel = AD5446_CHANNEL(12, 16, 2), + .channel = AD5446_CHANNEL_POWERDOWN(12, 16, 2), .int_vref_mv = 1250, - .store_sample = ad5620_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .write = ad5446_write, }, [ID_AD5640_2500] = { - .channel = AD5446_CHANNEL(14, 16, 0), + .channel = AD5446_CHANNEL_POWERDOWN(14, 16, 0), .int_vref_mv = 2500, - .store_sample = ad5620_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .write = ad5446_write, }, [ID_AD5640_1250] = { - .channel = AD5446_CHANNEL(14, 16, 0), + .channel = AD5446_CHANNEL_POWERDOWN(14, 16, 0), .int_vref_mv = 1250, - .store_sample = ad5620_store_sample, - .store_pwr_down = ad5620_store_pwr_down, + .write = ad5446_write, }, [ID_AD5660_2500] = { - .channel = AD5446_CHANNEL(16, 16, 0), + .channel = AD5446_CHANNEL_POWERDOWN(16, 16, 0), .int_vref_mv = 2500, - .store_sample = ad5660_store_sample, - .store_pwr_down = ad5660_store_pwr_down, + .write = ad5660_write, }, [ID_AD5660_1250] = { - .channel = AD5446_CHANNEL(16, 16, 0), + .channel = AD5446_CHANNEL_POWERDOWN(16, 16, 0), .int_vref_mv = 1250, - .store_sample = ad5660_store_sample, - .store_pwr_down = ad5660_store_pwr_down, + .write = ad5660_write, + }, + [ID_AD5662] = { + .channel = AD5446_CHANNEL_POWERDOWN(16, 16, 0), + .write = ad5660_write, }, }; @@ -254,6 +237,9 @@ static int ad5446_read_raw(struct iio_dev *indio_dev, unsigned long scale_uv; switch (m) { + case IIO_CHAN_INFO_RAW: + *val = st->cached_val; + return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: scale_uv = (st->vref_mv * 1000) >> chan->scan_type.realbits; *val = scale_uv / 1000; @@ -271,18 +257,18 @@ static int ad5446_write_raw(struct iio_dev *indio_dev, long mask) { struct ad5446_state *st = iio_priv(indio_dev); - int ret; + int ret = 0; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val >= (1 << chan->scan_type.realbits) || val < 0) return -EINVAL; val <<= chan->scan_type.shift; mutex_lock(&indio_dev->mlock); st->cached_val = val; - st->chip_info->store_sample(st, val); - ret = spi_sync(st->spi, &st->msg); + if (!st->pwr_down) + ret = st->chip_info->write(st, val); mutex_unlock(&indio_dev->mlock); break; default: @@ -295,13 +281,6 @@ static int ad5446_write_raw(struct iio_dev *indio_dev, static const struct iio_info ad5446_info = { .read_raw = ad5446_read_raw, .write_raw = ad5446_write_raw, - .attrs = &ad5446_attribute_group, - .driver_module = THIS_MODULE, -}; - -static const struct iio_info ad5446_info_no_pwr_down = { - .read_raw = ad5446_read_raw, - .write_raw = ad5446_write_raw, .driver_module = THIS_MODULE, }; @@ -321,7 +300,7 @@ static int __devinit ad5446_probe(struct spi_device *spi) voltage_uv = regulator_get_voltage(reg); } - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_disable_reg; @@ -337,38 +316,17 @@ static int __devinit ad5446_probe(struct spi_device *spi) /* Establish that the iio_dev is a child of the spi device */ indio_dev->dev.parent = &spi->dev; indio_dev->name = spi_get_device_id(spi)->name; - if (st->chip_info->store_pwr_down) - indio_dev->info = &ad5446_info; - else - indio_dev->info = &ad5446_info_no_pwr_down; + indio_dev->info = &ad5446_info; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->channels = &st->chip_info->channel; indio_dev->num_channels = 1; - /* Setup default message */ - - st->xfer.tx_buf = &st->data; - st->xfer.len = st->chip_info->channel.scan_type.storagebits / 8; - - spi_message_init(&st->msg); - spi_message_add_tail(&st->xfer, &st->msg); - - switch (spi_get_device_id(spi)->driver_data) { - case ID_AD5620_2500: - case ID_AD5620_1250: - case ID_AD5640_2500: - case ID_AD5640_1250: - case ID_AD5660_2500: - case ID_AD5660_1250: + if (st->chip_info->int_vref_mv) st->vref_mv = st->chip_info->int_vref_mv; - break; - default: - if (voltage_uv) - st->vref_mv = voltage_uv / 1000; - else - dev_warn(&spi->dev, - "reference voltage unspecified\n"); - } + else if (voltage_uv) + st->vref_mv = voltage_uv / 1000; + else + dev_warn(&spi->dev, "reference voltage unspecified\n"); ret = iio_device_register(indio_dev); if (ret) @@ -377,7 +335,7 @@ static int __devinit ad5446_probe(struct spi_device *spi) return 0; error_free_device: - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_disable_reg: if (!IS_ERR(reg)) regulator_disable(reg); @@ -398,7 +356,7 @@ static int ad5446_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } @@ -408,8 +366,8 @@ static const struct spi_device_id ad5446_id[] = { {"ad5446", ID_AD5446}, {"ad5512a", ID_AD5512A}, {"ad5541a", ID_AD5541A}, - {"ad5542a", ID_AD5542A}, - {"ad5543", ID_AD5543}, + {"ad5542a", ID_AD5541A}, /* ad5541a and ad5542a are compatible */ + {"ad5543", ID_AD5541A}, /* ad5541a and ad5543 are compatible */ {"ad5553", ID_AD5553}, {"ad5601", ID_AD5601}, {"ad5611", ID_AD5611}, @@ -420,6 +378,7 @@ static const struct spi_device_id ad5446_id[] = { {"ad5640-1250", ID_AD5640_1250}, {"ad5660-2500", ID_AD5660_2500}, {"ad5660-1250", ID_AD5660_1250}, + {"ad5662", ID_AD5662}, {} }; MODULE_DEVICE_TABLE(spi, ad5446_id); diff --git a/drivers/staging/iio/dac/ad5446.h b/drivers/staging/iio/dac/ad5446.h index 4ea3476..dfd68ce 100644 --- a/drivers/staging/iio/dac/ad5446.h +++ b/drivers/staging/iio/dac/ad5446.h @@ -34,43 +34,30 @@ * @spi: spi_device * @chip_info: chip model specific constants, available modes etc * @reg: supply regulator - * @poll_work: bottom half of polling interrupt handler * @vref_mv: actual reference voltage used - * @xfer: default spi transfer - * @msg: default spi message - * @data: spi transmit buffer */ struct ad5446_state { struct spi_device *spi; const struct ad5446_chip_info *chip_info; struct regulator *reg; - struct work_struct poll_work; unsigned short vref_mv; unsigned cached_val; unsigned pwr_down_mode; unsigned pwr_down; - struct spi_transfer xfer; - struct spi_message msg; - union { - unsigned short d16; - unsigned char d24[3]; - } data; }; /** * struct ad5446_chip_info - chip specific information * @channel: channel spec for the DAC * @int_vref_mv: AD5620/40/60: the internal reference voltage - * @store_sample: chip specific helper function to store the datum - * @store_sample: chip specific helper function to store the powerpown cmd + * @write: chip specific helper function to write to the register */ struct ad5446_chip_info { struct iio_chan_spec channel; u16 int_vref_mv; - void (*store_sample) (struct ad5446_state *st, unsigned val); - void (*store_pwr_down) (struct ad5446_state *st, unsigned mode); + int (*write)(struct ad5446_state *st, unsigned val); }; /** @@ -85,8 +72,6 @@ enum ad5446_supported_device_ids { ID_AD5444, ID_AD5446, ID_AD5541A, - ID_AD5542A, - ID_AD5543, ID_AD5512A, ID_AD5553, ID_AD5601, @@ -98,6 +83,7 @@ enum ad5446_supported_device_ids { ID_AD5640_1250, ID_AD5660_2500, ID_AD5660_1250, + ID_AD5662, }; #endif /* IIO_DAC_AD5446_H_ */ diff --git a/drivers/staging/iio/dac/ad5504.c b/drivers/staging/iio/dac/ad5504.c index bc17205..e47f4d0 100644 --- a/drivers/staging/iio/dac/ad5504.c +++ b/drivers/staging/iio/dac/ad5504.c @@ -16,9 +16,9 @@ #include <linux/regulator/consumer.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../events.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/events.h> #include "dac.h" #include "ad5504.h" @@ -27,7 +27,8 @@ .indexed = 1, \ .output = 1, \ .channel = (_chan), \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .address = AD5504_ADDR_DAC(_chan), \ .scan_type = IIO_ST('u', 12, 16, 0), \ } @@ -81,7 +82,7 @@ static int ad5504_read_raw(struct iio_dev *indio_dev, int ret; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: ret = ad5504_spi_read(st->spi, chan->address); if (ret < 0) return ret; @@ -109,7 +110,7 @@ static int ad5504_write_raw(struct iio_dev *indio_dev, int ret; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val >= (1 << chan->scan_type.realbits) || val < 0) return -EINVAL; @@ -287,7 +288,7 @@ static int __devinit ad5504_probe(struct spi_device *spi) struct regulator *reg; int ret, voltage_uv = 0; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -350,7 +351,7 @@ error_put_reg: if (!IS_ERR(reg)) regulator_put(reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; } @@ -368,7 +369,7 @@ static int __devexit ad5504_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5624r_spi.c b/drivers/staging/iio/dac/ad5624r_spi.c index 10c7484..cde4a9f 100644 --- a/drivers/staging/iio/dac/ad5624r_spi.c +++ b/drivers/staging/iio/dac/ad5624r_spi.c @@ -16,8 +16,8 @@ #include <linux/regulator/consumer.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #include "ad5624r.h" @@ -26,7 +26,8 @@ .indexed = 1, \ .output = 1, \ .channel = (_chan), \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .address = (_chan), \ .scan_type = IIO_ST('u', (_bits), 16, 16 - (_bits)), \ } @@ -122,7 +123,7 @@ static int ad5624r_write_raw(struct iio_dev *indio_dev, int ret; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val >= (1 << chan->scan_type.realbits) || val < 0) return -EINVAL; @@ -255,7 +256,7 @@ static int __devinit ad5624r_probe(struct spi_device *spi) struct iio_dev *indio_dev; int ret, voltage_uv = 0; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -305,7 +306,7 @@ error_disable_reg: error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; @@ -321,7 +322,7 @@ static int __devexit ad5624r_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5686.c b/drivers/staging/iio/dac/ad5686.c index 2415a6e..6a74436 100644 --- a/drivers/staging/iio/dac/ad5686.c +++ b/drivers/staging/iio/dac/ad5686.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/regulator/consumer.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #define AD5686_DAC_CHANNELS 4 @@ -98,7 +98,8 @@ enum ad5686_supported_device_ids { .indexed = 1, \ .output = 1, \ .channel = chan, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT, \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT, \ .address = AD5686_ADDR_DAC(chan), \ .scan_type = IIO_ST('u', bits, 16, shift) \ } @@ -296,7 +297,7 @@ static int ad5686_read_raw(struct iio_dev *indio_dev, int ret; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: mutex_lock(&indio_dev->mlock); ret = ad5686_spi_read(st, chan->address); mutex_unlock(&indio_dev->mlock); @@ -326,7 +327,7 @@ static int ad5686_write_raw(struct iio_dev *indio_dev, int ret; switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: if (val > (1 << chan->scan_type.realbits) || val < 0) return -EINVAL; @@ -358,7 +359,7 @@ static int __devinit ad5686_probe(struct spi_device *spi) struct iio_dev *indio_dev; int ret, regdone = 0, voltage_uv = 0; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -410,7 +411,7 @@ error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -425,7 +426,7 @@ static int __devexit ad5686_remove(struct spi_device *spi) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5764.c b/drivers/staging/iio/dac/ad5764.c index f73a730..03dbd93 100644 --- a/drivers/staging/iio/dac/ad5764.c +++ b/drivers/staging/iio/dac/ad5764.c @@ -16,8 +16,8 @@ #include <linux/sysfs.h> #include <linux/regulator/consumer.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #define AD5764_REG_SF_NOP 0x0 @@ -79,7 +79,8 @@ enum ad5764_type { .output = 1, \ .channel = (_chan), \ .address = (_chan), \ - .info_mask = IIO_CHAN_INFO_OFFSET_SHARED_BIT | \ + .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, \ @@ -188,7 +189,7 @@ static int ad5764_write_raw(struct iio_dev *indio_dev, unsigned int reg; switch (info) { - case 0: + case IIO_CHAN_INFO_RAW: if (val >= max_val || val < 0) return -EINVAL; val <<= chan->scan_type.shift; @@ -228,7 +229,7 @@ static int ad5764_read_raw(struct iio_dev *indio_dev, int ret; switch (info) { - case 0: + case IIO_CHAN_INFO_RAW: reg = AD5764_REG_DATA(chan->address); ret = ad5764_read(indio_dev, reg, val); if (ret < 0) @@ -280,7 +281,7 @@ static int __devinit ad5764_probe(struct spi_device *spi) struct ad5764_state *st; int ret; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { dev_err(&spi->dev, "Failed to allocate iio device\n"); return -ENOMEM; @@ -335,7 +336,7 @@ error_free_reg: if (st->chip_info->int_vref == 0) regulator_bulk_free(ARRAY_SIZE(st->vref_reg), st->vref_reg); error_free: - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -352,7 +353,7 @@ static int __devexit ad5764_remove(struct spi_device *spi) regulator_bulk_free(ARRAY_SIZE(st->vref_reg), st->vref_reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/ad5791.c b/drivers/staging/iio/dac/ad5791.c index ac45636..1cc75e6 100644 --- a/drivers/staging/iio/dac/ad5791.c +++ b/drivers/staging/iio/dac/ad5791.c @@ -17,8 +17,8 @@ #include <linux/regulator/consumer.h> #include <linux/module.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #include "ad5791.h" @@ -78,7 +78,8 @@ static int ad5791_spi_read(struct spi_device *spi, u8 addr, u32 *val) .indexed = 1, \ .address = AD5791_ADDR_DAC0, \ .channel = 0, \ - .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT | \ + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ + IIO_CHAN_INFO_SCALE_SHARED_BIT | \ IIO_CHAN_INFO_OFFSET_SHARED_BIT, \ .scan_type = IIO_ST('u', bits, 24, shift) \ } @@ -231,7 +232,7 @@ static int ad5791_read_raw(struct iio_dev *indio_dev, int ret; switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: ret = ad5791_spi_read(st->spi, chan->address, val); if (ret) return ret; @@ -263,7 +264,7 @@ static int ad5791_write_raw(struct iio_dev *indio_dev, struct ad5791_state *st = iio_priv(indio_dev); switch (mask) { - case 0: + case IIO_CHAN_INFO_RAW: val &= AD5791_RES_MASK(chan->scan_type.realbits); val <<= chan->scan_type.shift; @@ -288,7 +289,7 @@ static int __devinit ad5791_probe(struct spi_device *spi) struct ad5791_state *st; int ret, pos_voltage_uv = 0, neg_voltage_uv = 0; - indio_dev = iio_allocate_device(sizeof(*st)); + indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) { ret = -ENOMEM; goto error_ret; @@ -368,7 +369,7 @@ error_put_reg_neg: error_put_reg_pos: if (!IS_ERR(st->reg_vdd)) regulator_put(st->reg_vdd); - iio_free_device(indio_dev); + iio_device_free(indio_dev); error_ret: return ret; @@ -389,7 +390,7 @@ static int __devexit ad5791_remove(struct spi_device *spi) regulator_disable(st->reg_vss); regulator_put(st->reg_vss); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/dac/max517.c b/drivers/staging/iio/dac/max517.c index 41483c7..a3f588df 100644 --- a/drivers/staging/iio/dac/max517.c +++ b/drivers/staging/iio/dac/max517.c @@ -25,8 +25,8 @@ #include <linux/i2c.h> #include <linux/err.h> -#include "../iio.h" -#include "../sysfs.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> #include "dac.h" #include "max517.h" @@ -218,7 +218,7 @@ static int max517_probe(struct i2c_client *client, struct max517_platform_data *platform_data = client->dev.platform_data; int err; - indio_dev = iio_allocate_device(sizeof(*data)); + indio_dev = iio_device_alloc(sizeof(*data)); if (indio_dev == NULL) { err = -ENOMEM; goto exit; @@ -257,14 +257,14 @@ static int max517_probe(struct i2c_client *client, return 0; exit_free_device: - iio_free_device(indio_dev); + iio_device_free(indio_dev); exit: return err; } static int max517_remove(struct i2c_client *client) { - iio_free_device(i2c_get_clientdata(client)); + iio_device_free(i2c_get_clientdata(client)); return 0; } |