* AD8366 Dual-Digital Variable Gain Amplifier (VGA)
* ADA4961 BiCMOS RF Digital Gain Amplifier (DGA)
* ADL5240 Digitally controlled variable gain amplifier (VGA)
+ * HMC1119 0.25 dB LSB, 7-Bit, Silicon Digital Attenuator
*
* Copyright 2012-2019 Analog Devices Inc.
*/
ID_AD8366,
ID_ADA4961,
ID_ADL5240,
+ ID_HMC1119,
};
struct ad8366_info {
.gain_min = -11500,
.gain_max = 20000,
},
+ [ID_HMC1119] = {
+ .gain_min = -31750,
+ .gain_max = 0,
+ },
};
static int ad8366_write(struct iio_dev *indio_dev,
case ID_ADL5240:
st->data[0] = (ch_a & 0x3F);
break;
+ case ID_HMC1119:
+ st->data[0] = ch_a;
+ break;
}
ret = spi_write(st->spi, st->data, indio_dev->num_channels);
case ID_ADL5240:
gain = 20000 - 31500 + code * 500;
break;
+ case ID_HMC1119:
+ gain = -1 * code * 250;
+ break;
}
/* Values in dB */
case ID_ADL5240:
code = ((gain - 500 - 20000) / 500) & 0x3F;
break;
+ case ID_HMC1119:
+ code = (abs(gain) / 250) & 0x7F;
+ break;
}
mutex_lock(&st->lock);
break;
case ID_ADA4961:
case ID_ADL5240:
+ case ID_HMC1119:
st->reset_gpio = devm_gpiod_get(&spi->dev, "reset",
GPIOD_OUT_HIGH);
indio_dev->channels = ada4961_channels;
{"ad8366", ID_AD8366},
{"ada4961", ID_ADA4961},
{"adl5240", ID_ADL5240},
+ {"hmc1119", ID_HMC1119},
{}
};
MODULE_DEVICE_TABLE(spi, ad8366_id);