diff options
Diffstat (limited to 'drivers/iio/dac')
| -rw-r--r-- | drivers/iio/dac/ad5064.c | 54 |
1 files changed, 41 insertions, 13 deletions
diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c index 7cc3e93a2aa6..b7f717cadd0b 100644 --- a/drivers/iio/dac/ad5064.c +++ b/drivers/iio/dac/ad5064.c @@ -50,14 +50,23 @@ #define AD5064_LDAC_PWRDN_3STATE 0x3 /** + * enum ad5064_regmap_type - Register layout variant + * @AD5064_REGMAP_ADI: Analog Devices register map layout + * @AD5064_REGMAP_LTC: LTC register map layout + */ +enum ad5064_regmap_type { + AD5064_REGMAP_ADI, + AD5064_REGMAP_LTC, +}; + +/** * struct ad5064_chip_info - chip specific information * @shared_vref: whether the vref supply is shared between channels * @internal_vref: internal reference voltage. 0 if the chip has no internal vref. * @channel: channel specification * @num_channels: number of channels - * @powerdown_ltc: Use alternative power down addressing as required by - * ltc2617 and others. + * @regmap_type: register map layout variant */ struct ad5064_chip_info { @@ -65,7 +74,7 @@ struct ad5064_chip_info { unsigned long internal_vref; const struct iio_chan_spec *channels; unsigned int num_channels; - bool powerdown_ltc; + enum ad5064_regmap_type regmap_type; }; struct ad5064_state; @@ -153,7 +162,7 @@ static int ad5064_sync_powerdown_mode(struct ad5064_state *st, unsigned int val, address; int ret; - if (st->chip_info->powerdown_ltc) { + if (st->chip_info->regmap_type == AD5064_REGMAP_LTC) { val = 0; address = chan->address; } else { @@ -393,171 +402,190 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = { .shared_vref = false, .channels = ad5024_channels, .num_channels = 4, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5025] = { .shared_vref = false, .channels = ad5025_channels, .num_channels = 2, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5044] = { .shared_vref = false, .channels = ad5044_channels, .num_channels = 4, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5045] = { .shared_vref = false, .channels = ad5045_channels, .num_channels = 2, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5064] = { .shared_vref = false, .channels = ad5064_channels, .num_channels = 4, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5064_1] = { .shared_vref = true, .channels = ad5064_channels, .num_channels = 4, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5065] = { .shared_vref = false, .channels = ad5065_channels, .num_channels = 2, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5628_1] = { .shared_vref = true, .internal_vref = 2500000, .channels = ad5024_channels, .num_channels = 8, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5628_2] = { .shared_vref = true, .internal_vref = 5000000, .channels = ad5024_channels, .num_channels = 8, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5629_1] = { .shared_vref = true, .internal_vref = 2500000, .channels = ad5629_channels, .num_channels = 8, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5629_2] = { .shared_vref = true, .internal_vref = 5000000, .channels = ad5629_channels, .num_channels = 8, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5648_1] = { .shared_vref = true, .internal_vref = 2500000, .channels = ad5044_channels, .num_channels = 8, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5648_2] = { .shared_vref = true, .internal_vref = 5000000, .channels = ad5044_channels, .num_channels = 8, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5666_1] = { .shared_vref = true, .internal_vref = 2500000, .channels = ad5064_channels, .num_channels = 4, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5666_2] = { .shared_vref = true, .internal_vref = 5000000, .channels = ad5064_channels, .num_channels = 4, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5668_1] = { .shared_vref = true, .internal_vref = 2500000, .channels = ad5064_channels, .num_channels = 8, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5668_2] = { .shared_vref = true, .internal_vref = 5000000, .channels = ad5064_channels, .num_channels = 8, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5669_1] = { .shared_vref = true, .internal_vref = 2500000, .channels = ad5669_channels, .num_channels = 8, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_AD5669_2] = { .shared_vref = true, .internal_vref = 5000000, .channels = ad5669_channels, .num_channels = 8, + .regmap_type = AD5064_REGMAP_ADI, }, [ID_LTC2606] = { .shared_vref = true, .internal_vref = 0, .channels = ltc2607_channels, .num_channels = 1, - .powerdown_ltc = true, + .regmap_type = AD5064_REGMAP_LTC, }, [ID_LTC2607] = { .shared_vref = true, .internal_vref = 0, .channels = ltc2607_channels, .num_channels = 2, - .powerdown_ltc = true, + .regmap_type = AD5064_REGMAP_LTC, }, [ID_LTC2609] = { .shared_vref = false, .internal_vref = 0, .channels = ltc2607_channels, .num_channels = 4, - .powerdown_ltc = true, + .regmap_type = AD5064_REGMAP_LTC, }, [ID_LTC2616] = { .shared_vref = true, .internal_vref = 0, .channels = ltc2617_channels, .num_channels = 1, - .powerdown_ltc = true, + .regmap_type = AD5064_REGMAP_LTC, }, [ID_LTC2617] = { .shared_vref = true, .internal_vref = 0, .channels = ltc2617_channels, .num_channels = 2, - .powerdown_ltc = true, + .regmap_type = AD5064_REGMAP_LTC, }, [ID_LTC2619] = { .shared_vref = false, .internal_vref = 0, .channels = ltc2617_channels, .num_channels = 4, - .powerdown_ltc = true, + .regmap_type = AD5064_REGMAP_LTC, }, [ID_LTC2626] = { .shared_vref = true, .internal_vref = 0, .channels = ltc2627_channels, .num_channels = 1, - .powerdown_ltc = true, + .regmap_type = AD5064_REGMAP_LTC, }, [ID_LTC2627] = { .shared_vref = true, .internal_vref = 0, .channels = ltc2627_channels, .num_channels = 2, - .powerdown_ltc = true, + .regmap_type = AD5064_REGMAP_LTC, }, [ID_LTC2629] = { .shared_vref = false, .internal_vref = 0, .channels = ltc2627_channels, .num_channels = 4, - .powerdown_ltc = true, + .regmap_type = AD5064_REGMAP_LTC, }, }; 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