+enum adis16203_chan {
+ in_supply,
+ in_aux,
+ incli_x,
+ incli_y,
+ temp,
+};
+
+static u8 adis16203_addresses[5][2] = {
+ [in_supply] = { ADIS16203_SUPPLY_OUT },
+ [in_aux] = { ADIS16203_AUX_ADC },
+ [incli_x] = { ADIS16203_XINCL_OUT, ADIS16203_INCL_NULL},
+ [incli_y] = { ADIS16203_YINCL_OUT },
+ [temp] = { ADIS16203_TEMP_OUT }
+};
+
+static int adis16203_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int val,
+ int val2,
+ long mask)
+{
+ /* currently only one writable parameter which keeps this simple */
+ u8 addr = adis16203_addresses[chan->address][1];
+ return adis16203_spi_write_reg_16(indio_dev, addr, val & 0x3FFF);
+}
+
+static int adis16203_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int *val, int *val2,
+ long mask)
+{
+ int ret;
+ int bits;
+ u8 addr;
+ s16 val16;
+ switch (mask) {
+ case 0:
+ mutex_lock(&indio_dev->mlock);
+ addr = adis16203_addresses[chan->address][0];
+ ret = adis16203_spi_read_reg_16(indio_dev, addr, &val16);
+ if (ret)
+ return ret;
+
+ if (val16 & ADIS16203_ERROR_ACTIVE) {
+ ret = adis16203_check_status(indio_dev);
+ if (ret)
+ return ret;
+ }
+ val16 = val16 & ((1 << chan->scan_type.realbits) - 1);
+ if (chan->scan_type.sign == 's')
+ val16 = (s16)(val16 <<
+ (16 - chan->scan_type.realbits)) >>
+ (16 - chan->scan_type.realbits);
+ *val = val16;
+ mutex_unlock(&indio_dev->mlock);
+ return IIO_VAL_INT;
+ case (1 << IIO_CHAN_INFO_SCALE_SEPARATE):
+ case (1 << IIO_CHAN_INFO_SCALE_SHARED):
+ switch (chan->type) {
+ case IIO_IN:
+ *val = 0;
+ if (chan->channel == 0)
+ *val2 = 1220;
+ else
+ *val2 = 610;
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_TEMP:
+ *val = 0;
+ *val2 = -470000;
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_INCLI:
+ *val = 0;
+ *val2 = 25000;
+ return IIO_VAL_INT_PLUS_MICRO;
+ default:
+ return -EINVAL;
+ }
+ case (1 << IIO_CHAN_INFO_OFFSET_SEPARATE):
+ *val = 25;
+ return IIO_VAL_INT;
+ case (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE):
+ bits = 14;
+ mutex_lock(&indio_dev->mlock);
+ addr = adis16203_addresses[chan->address][1];
+ ret = adis16203_spi_read_reg_16(indio_dev, addr, &val16);
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
+ return ret;
+ }
+ val16 &= (1 << bits) - 1;
+ val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
+ *val = val16;
+ mutex_unlock(&indio_dev->mlock);
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+}
+
+static struct iio_chan_spec adis16203_channels[] = {
+ IIO_CHAN(IIO_IN, 0, 1, 0, "supply", 0, 0,
+ (1 << IIO_CHAN_INFO_SCALE_SEPARATE),
+ in_supply, ADIS16203_SCAN_SUPPLY,
+ IIO_ST('u', 12, 16, 0), 0),
+ IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0,
+ (1 << IIO_CHAN_INFO_SCALE_SEPARATE),
+ in_aux, ADIS16203_SCAN_AUX_ADC,
+ IIO_ST('u', 12, 16, 0), 0),
+ IIO_CHAN(IIO_INCLI, 1, 0, 0, NULL, 0, IIO_MOD_X,
+ (1 << IIO_CHAN_INFO_SCALE_SHARED) |
+ (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE),
+ incli_x, ADIS16203_SCAN_INCLI_X,
+ IIO_ST('s', 14, 16, 0), 0),
+ /* Fixme: Not what it appears to be - see data sheet */
+ IIO_CHAN(IIO_INCLI, 1, 0, 0, NULL, 0, IIO_MOD_Y,
+ (1 << IIO_CHAN_INFO_SCALE_SHARED),
+ incli_y, ADIS16203_SCAN_INCLI_Y,
+ IIO_ST('s', 14, 16, 0), 0),
+ IIO_CHAN(IIO_TEMP, 0, 1, 0, NULL, 0, 0,
+ (1 << IIO_CHAN_INFO_SCALE_SEPARATE) |
+ (1 << IIO_CHAN_INFO_OFFSET_SEPARATE),
+ temp, ADIS16203_SCAN_TEMP,
+ IIO_ST('u', 12, 16, 0), 0),
+ IIO_CHAN_SOFT_TIMESTAMP(5),
+};