diff options
| -rw-r--r-- | drivers/staging/iio/light/tsl2x7x.c | 93 |
1 files changed, 76 insertions, 17 deletions
diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c index 51c1a90cb592..2d713d3c7c7b 100644 --- a/drivers/staging/iio/light/tsl2x7x.c +++ b/drivers/staging/iio/light/tsl2x7x.c @@ -209,9 +209,9 @@ static const struct tsl2x7x_lux *tsl2x7x_default_lux_table_group[] = { }; static const struct tsl2x7x_settings tsl2x7x_default_settings = { - .als_time = 255, /* 2.73 ms */ + .als_time = 255, /* 2.72 / 2.73 ms */ .als_gain = 0, - .prox_time = 255, /* 2.73 ms */ + .prox_time = 255, /* 2.72 / 2.73 ms */ .prox_gain = 0, .wait_time = 255, .als_prox_config = 0, @@ -245,6 +245,23 @@ static const s16 tsl2x7x_prox_gain[] = { 8 }; +static const int tsl2x7x_int_time_avail[][6] = { + [tsl2571] = { 0, 2720, 0, 2720, 0, 696000 }, + [tsl2671] = { 0, 2720, 0, 2720, 0, 696000 }, + [tmd2671] = { 0, 2720, 0, 2720, 0, 696000 }, + [tsl2771] = { 0, 2720, 0, 2720, 0, 696000 }, + [tmd2771] = { 0, 2720, 0, 2720, 0, 696000 }, + [tsl2572] = { 0, 2730, 0, 2730, 0, 699000 }, + [tsl2672] = { 0, 2730, 0, 2730, 0, 699000 }, + [tmd2672] = { 0, 2730, 0, 2730, 0, 699000 }, + [tsl2772] = { 0, 2730, 0, 2730, 0, 699000 }, + [tmd2772] = { 0, 2730, 0, 2730, 0, 699000 }, +}; + +static int tsl2x7x_int_calibscale_avail[] = { 1, 8, 16, 120 }; + +static int tsl2x7x_prox_calibscale_avail[] = { 1, 2, 4, 8 }; + /* Channel variations */ enum { ALS, @@ -626,7 +643,7 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev) /* set chip time scaling and saturation */ als_count = 256 - chip->settings.als_time; - als_time_us = als_count * 2720; + als_time_us = als_count * tsl2x7x_int_time_avail[chip->id][3]; chip->als_saturation = als_count * 768; /* 75% of full scale */ chip->als_gain_time_scale = als_time_us * tsl2x7x_als_gain[chip->settings.als_gain]; @@ -760,12 +777,33 @@ static int tsl2x7x_prox_cal(struct iio_dev *indio_dev) return tsl2x7x_invoke_change(indio_dev); } -static IIO_CONST_ATTR(in_intensity0_calibscale_available, "1 8 16 120"); +static int tsl2x7x_read_avail(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + const int **vals, int *type, int *length, + long mask) +{ + struct tsl2X7X_chip *chip = iio_priv(indio_dev); -static IIO_CONST_ATTR(in_proximity0_calibscale_available, "1 2 4 8"); + switch (mask) { + case IIO_CHAN_INFO_CALIBSCALE: + if (chan->type == IIO_INTENSITY) { + *length = ARRAY_SIZE(tsl2x7x_int_calibscale_avail); + *vals = tsl2x7x_int_calibscale_avail; + } else { + *length = ARRAY_SIZE(tsl2x7x_prox_calibscale_avail); + *vals = tsl2x7x_prox_calibscale_avail; + } + *type = IIO_VAL_INT; + return IIO_AVAIL_LIST; + case IIO_CHAN_INFO_INT_TIME: + *length = ARRAY_SIZE(tsl2x7x_int_time_avail[chip->id]); + *vals = tsl2x7x_int_time_avail[chip->id]; + *type = IIO_VAL_INT_PLUS_MICRO; + return IIO_AVAIL_RANGE; + } -static IIO_CONST_ATTR(in_intensity0_integration_time_available, - ".00272 - .696"); + return -EINVAL; +} static ssize_t in_illuminance0_target_input_show(struct device *dev, struct device_attribute *attr, @@ -1110,7 +1148,8 @@ static int tsl2x7x_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; case IIO_CHAN_INFO_INT_TIME: *val = 0; - *val2 = (256 - chip->settings.als_time) * 2720; + *val2 = (256 - chip->settings.als_time) * + tsl2x7x_int_time_avail[chip->id][3]; return IIO_VAL_INT_PLUS_MICRO; default: return -EINVAL; @@ -1167,7 +1206,8 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev, chip->settings.als_gain_trim = val; break; case IIO_CHAN_INFO_INT_TIME: - chip->settings.als_time = 256 - (val2 / 2720); + chip->settings.als_time = 256 - + (val2 / tsl2x7x_int_time_avail[chip->id][3]); break; default: return -EINVAL; @@ -1248,8 +1288,6 @@ static irqreturn_t tsl2x7x_event_handler(int irq, void *private) } static struct attribute *tsl2x7x_ALS_device_attrs[] = { - &iio_const_attr_in_intensity0_calibscale_available.dev_attr.attr, - &iio_const_attr_in_intensity0_integration_time_available.dev_attr.attr, &dev_attr_in_illuminance0_target_input.attr, &dev_attr_in_illuminance0_calibrate.attr, &dev_attr_in_illuminance0_lux_table.attr, @@ -1262,8 +1300,6 @@ static struct attribute *tsl2x7x_PRX_device_attrs[] = { }; static struct attribute *tsl2x7x_ALSPRX_device_attrs[] = { - &iio_const_attr_in_intensity0_calibscale_available.dev_attr.attr, - &iio_const_attr_in_intensity0_integration_time_available.dev_attr.attr, &dev_attr_in_illuminance0_target_input.attr, &dev_attr_in_illuminance0_calibrate.attr, &dev_attr_in_illuminance0_lux_table.attr, @@ -1272,18 +1308,14 @@ static struct attribute *tsl2x7x_ALSPRX_device_attrs[] = { static struct attribute *tsl2x7x_PRX2_device_attrs[] = { &dev_attr_in_proximity0_calibrate.attr, - &iio_const_attr_in_proximity0_calibscale_available.dev_attr.attr, NULL }; static struct attribute *tsl2x7x_ALSPRX2_device_attrs[] = { - &iio_const_attr_in_intensity0_calibscale_available.dev_attr.attr, - &iio_const_attr_in_intensity0_integration_time_available.dev_attr.attr, &dev_attr_in_illuminance0_target_input.attr, &dev_attr_in_illuminance0_calibrate.attr, &dev_attr_in_illuminance0_lux_table.attr, &dev_attr_in_proximity0_calibrate.attr, - &iio_const_attr_in_proximity0_calibscale_available.dev_attr.attr, NULL }; @@ -1309,6 +1341,7 @@ static const struct attribute_group tsl2X7X_device_attr_group_tbl[] = { { \ .attrs = &tsl2X7X_device_attr_group_tbl[type], \ .read_raw = &tsl2x7x_read_raw, \ + .read_avail = &tsl2x7x_read_avail, \ .write_raw = &tsl2x7x_write_raw, \ .read_event_value = &tsl2x7x_read_event_value, \ .write_event_value = &tsl2x7x_write_event_value, \ @@ -1357,6 +1390,9 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { BIT(IIO_CHAN_INFO_INT_TIME) | BIT(IIO_CHAN_INFO_CALIBSCALE) | BIT(IIO_CHAN_INFO_CALIBBIAS), + .info_mask_separate_available = + BIT(IIO_CHAN_INFO_INT_TIME) | + BIT(IIO_CHAN_INFO_CALIBSCALE), .event_spec = tsl2x7x_events, .num_event_specs = ARRAY_SIZE(tsl2x7x_events), }, { @@ -1379,6 +1415,9 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { BIT(IIO_CHAN_INFO_INT_TIME) | BIT(IIO_CHAN_INFO_CALIBSCALE) | BIT(IIO_CHAN_INFO_CALIBBIAS), + .info_mask_separate_available = + BIT(IIO_CHAN_INFO_INT_TIME) | + BIT(IIO_CHAN_INFO_CALIBSCALE), }, { .type = IIO_INTENSITY, .indexed = 1, @@ -1425,6 +1464,9 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { BIT(IIO_CHAN_INFO_INT_TIME) | BIT(IIO_CHAN_INFO_CALIBSCALE) | BIT(IIO_CHAN_INFO_CALIBBIAS), + .info_mask_separate_available = + BIT(IIO_CHAN_INFO_INT_TIME) | + BIT(IIO_CHAN_INFO_CALIBSCALE), .event_spec = tsl2x7x_events, .num_event_specs = ARRAY_SIZE(tsl2x7x_events), }, { @@ -1455,6 +1497,9 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { BIT(IIO_CHAN_INFO_INT_TIME) | BIT(IIO_CHAN_INFO_CALIBSCALE) | BIT(IIO_CHAN_INFO_CALIBBIAS), + .info_mask_separate_available = + BIT(IIO_CHAN_INFO_INT_TIME) | + BIT(IIO_CHAN_INFO_CALIBSCALE), }, { .type = IIO_INTENSITY, .indexed = 1, @@ -1478,6 +1523,8 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { .channel = 0, .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_CALIBSCALE), + .info_mask_separate_available = + BIT(IIO_CHAN_INFO_CALIBSCALE), .event_spec = tsl2x7x_events, .num_event_specs = ARRAY_SIZE(tsl2x7x_events), }, @@ -1489,6 +1536,8 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { .channel = 0, .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_CALIBSCALE), + .info_mask_separate_available = + BIT(IIO_CHAN_INFO_CALIBSCALE), }, }, .chan_table_elements = 1, @@ -1509,6 +1558,9 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { BIT(IIO_CHAN_INFO_INT_TIME) | BIT(IIO_CHAN_INFO_CALIBSCALE) | BIT(IIO_CHAN_INFO_CALIBBIAS), + .info_mask_separate_available = + BIT(IIO_CHAN_INFO_INT_TIME) | + BIT(IIO_CHAN_INFO_CALIBSCALE), .event_spec = tsl2x7x_events, .num_event_specs = ARRAY_SIZE(tsl2x7x_events), }, { @@ -1522,6 +1574,8 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { .channel = 0, .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_CALIBSCALE), + .info_mask_separate_available = + BIT(IIO_CHAN_INFO_CALIBSCALE), .event_spec = tsl2x7x_events, .num_event_specs = ARRAY_SIZE(tsl2x7x_events), }, @@ -1540,6 +1594,9 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { BIT(IIO_CHAN_INFO_INT_TIME) | BIT(IIO_CHAN_INFO_CALIBSCALE) | BIT(IIO_CHAN_INFO_CALIBBIAS), + .info_mask_separate_available = + BIT(IIO_CHAN_INFO_INT_TIME) | + BIT(IIO_CHAN_INFO_CALIBSCALE), }, { .type = IIO_INTENSITY, .indexed = 1, @@ -1551,6 +1608,8 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { .channel = 0, .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_CALIBSCALE), + .info_mask_separate_available = + BIT(IIO_CHAN_INFO_CALIBSCALE), }, }, .chan_table_elements = 4, |