static int adis16400_initial_setup(struct iio_dev *indio_dev)
{
struct adis16400_state *st = iio_priv(indio_dev);
uint16_t prod_id, smp_prd;
unsigned int device_id;
int ret;
/* use low spi speed for init if the device has a slow mode */
if (st->variant->flags & ADIS16400_HAS_SLOW_MODE)
st->adis.spi->max_speed_hz = ADIS16400_SPI_SLOW;
else
st->adis.spi->max_speed_hz = ADIS16400_SPI_FAST;
st->adis.spi->mode = SPI_MODE_3;
spi_setup(st->adis.spi);
ret = adis_initial_startup(&st->adis);
if (ret)
return ret;
if (st->variant->flags & ADIS16400_HAS_PROD_ID) {
ret = adis_read_reg_16(&st->adis,
ADIS16400_PRODUCT_ID, &prod_id);
if (ret)
goto err_ret;
sscanf(indio_dev->name, "adis%u\n", &device_id);
if (prod_id != device_id)
dev_warn(&indio_dev->dev, "Device ID(%u) and product ID(%u) do not match.",
device_id, prod_id);
dev_info(&indio_dev->dev, "%s: prod_id 0x%04x at CS%d (irq %d)\n",
indio_dev->name, prod_id,
st->adis.spi->chip_select, st->adis.spi->irq);
}
/* use high spi speed if possible */
if (st->variant->flags & ADIS16400_HAS_SLOW_MODE) {
ret = adis_read_reg_16(&st->adis, ADIS16400_SMPL_PRD, &smp_prd);
if (ret)
goto err_ret;
if ((smp_prd & ADIS16400_SMPL_PRD_DIV_MASK) < 0x0A) {
st->adis.spi->max_speed_hz = ADIS16400_SPI_FAST;
spi_setup(st->adis.spi);
}
}
err_ret:
return ret;
}
static int adis16260_probe(struct spi_device *spi)
{
struct iio_dev *indio_dev;
struct adis *adis;
int ret;
/* setup the industrialio driver allocated elements */
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adis));
if (!indio_dev)
return -ENOMEM;
adis = iio_priv(indio_dev);
/* this is only used for removal purposes */
spi_set_drvdata(spi, indio_dev);
indio_dev->name = spi_get_device_id(spi)->name;
indio_dev->dev.parent = &spi->dev;
indio_dev->info = &adis16260_info;
indio_dev->channels = adis16260_channels;
indio_dev->num_channels = ARRAY_SIZE(adis16260_channels);
indio_dev->modes = INDIO_DIRECT_MODE;
ret = adis_init(adis, indio_dev, spi, &adis16260_data);
if (ret)
return ret;
ret = adis_setup_buffer_and_trigger(adis, indio_dev, NULL);
if (ret)
return ret;
/* Get the device into a sane initial state */
ret = adis_initial_startup(adis);
if (ret)
goto error_cleanup_buffer_trigger;
ret = iio_device_register(indio_dev);
if (ret)
goto error_cleanup_buffer_trigger;
return 0;
error_cleanup_buffer_trigger:
adis_cleanup_buffer_and_trigger(adis, indio_dev);
return ret;
}
static int adis16209_probe(struct spi_device *spi)
{
int ret;
struct adis *st;
struct iio_dev *indio_dev;
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (!indio_dev)
return -ENOMEM;
st = iio_priv(indio_dev);
spi_set_drvdata(spi, indio_dev);
indio_dev->name = spi->dev.driver->name;
indio_dev->dev.parent = &spi->dev;
indio_dev->info = &adis16209_info;
indio_dev->channels = adis16209_channels;
indio_dev->num_channels = ARRAY_SIZE(adis16209_channels);
indio_dev->modes = INDIO_DIRECT_MODE;
ret = adis_init(st, indio_dev, spi, &adis16209_data);
if (ret)
return ret;
ret = adis_setup_buffer_and_trigger(st, indio_dev, NULL);
if (ret)
return ret;
ret = adis_initial_startup(st);
if (ret)
goto error_cleanup_buffer_trigger;
ret = iio_device_register(indio_dev);
if (ret)
goto error_cleanup_buffer_trigger;
return 0;
error_cleanup_buffer_trigger:
adis_cleanup_buffer_and_trigger(st, indio_dev);
return ret;
}
static int adis16136_initial_setup(struct iio_dev *indio_dev)
{
struct adis16136 *adis16136 = iio_priv(indio_dev);
unsigned int device_id;
uint16_t prod_id;
int ret;
ret = adis_initial_startup(&adis16136->adis);
if (ret)
return ret;
ret = adis_read_reg_16(&adis16136->adis, ADIS16136_REG_PROD_ID,
&prod_id);
if (ret)
return ret;
sscanf(indio_dev->name, "adis%u\n", &device_id);
if (prod_id != device_id)
dev_warn(&indio_dev->dev, "Device ID(%u) and product ID(%u) do not match.",
device_id, prod_id);
return 0;
}