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authorLorenzo Bianconi <lorenzo.bianconi83@gmail.com>2017-08-30 13:50:40 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2017-10-09 21:04:22 +0100
commit75d4c6d2e15d4455dfd5995c27e6e6ad6f214e39 (patch)
tree7bb05fba1690480c49b2456f279a8696e4d53fef /drivers/iio
parente72a060151e5bb673af24993665e270fc4f674a7 (diff)
downloadlinux-75d4c6d2e15d4455dfd5995c27e6e6ad6f214e39.tar.bz2
iio: st_sensors: decouple irq1 configuration parameters from the irq2 ones
Separate data-ready configuration parameters for INT1 and INT2 pins in st_sensor_data_ready_irq data structure. That change will be use to properly support LIS2DW12 accel sensor. Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/accel/st_accel_core.c66
-rw-r--r--drivers/iio/common/st_sensors/st_sensors_core.c28
-rw-r--r--drivers/iio/gyro/st_gyro_core.c18
-rw-r--r--drivers/iio/magnetometer/st_magn_core.c6
-rw-r--r--drivers/iio/pressure/st_pressure_core.c31
5 files changed, 94 insertions, 55 deletions
diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
index 140ba26f6131..a6eac959dfe8 100644
--- a/drivers/iio/accel/st_accel_core.c
+++ b/drivers/iio/accel/st_accel_core.c
@@ -159,9 +159,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
.mask = 0x80,
},
.drdy_irq = {
- .addr = 0x22,
- .mask_int1 = 0x10,
- .mask_int2 = 0x00,
+ .int1 = {
+ .addr = 0x22,
+ .mask = 0x10,
+ },
.addr_ihl = 0x25,
.mask_ihl = 0x02,
.stat_drdy = {
@@ -232,9 +233,14 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
.mask = 0x80,
},
.drdy_irq = {
- .addr = 0x22,
- .mask_int1 = 0x02,
- .mask_int2 = 0x10,
+ .int1 = {
+ .addr = 0x22,
+ .mask = 0x02,
+ },
+ .int2 = {
+ .addr = 0x22,
+ .mask = 0x10,
+ },
.addr_ihl = 0x22,
.mask_ihl = 0x80,
.addr_od = 0x22,
@@ -319,9 +325,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
.mask = 0x08,
},
.drdy_irq = {
- .addr = 0x23,
- .mask_int1 = 0x80,
- .mask_int2 = 0x00,
+ .int1 = {
+ .addr = 0x23,
+ .mask = 0x80,
+ },
.addr_ihl = 0x23,
.mask_ihl = 0x40,
.stat_drdy = {
@@ -396,8 +403,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
.mask = 0x01,
},
.drdy_irq = {
- .addr = 0x21,
- .mask_int1 = 0x04,
+ .int1 = {
+ .addr = 0x21,
+ .mask = 0x04,
+ },
.stat_drdy = {
.addr = ST_SENSORS_DEFAULT_STAT_ADDR,
.mask = 0x07,
@@ -456,9 +465,14 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
},
},
.drdy_irq = {
- .addr = 0x22,
- .mask_int1 = 0x04,
- .mask_int2 = 0x20,
+ .int1 = {
+ .addr = 0x22,
+ .mask = 0x04,
+ },
+ .int2 = {
+ .addr = 0x22,
+ .mask = 0x20,
+ },
.addr_ihl = 0x22,
.mask_ihl = 0x80,
.addr_od = 0x22,
@@ -528,9 +542,14 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
.mask = 0x80,
},
.drdy_irq = {
- .addr = 0x22,
- .mask_int1 = 0x02,
- .mask_int2 = 0x10,
+ .int1 = {
+ .addr = 0x22,
+ .mask = 0x02,
+ },
+ .int2 = {
+ .addr = 0x22,
+ .mask = 0x10,
+ },
.addr_ihl = 0x22,
.mask_ihl = 0x80,
},
@@ -582,8 +601,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
.bdu = {
},
.drdy_irq = {
- .addr = 0x21,
- .mask_int1 = 0x04,
+ .int1 = {
+ .addr = 0x21,
+ .mask = 0x04,
+ },
.stat_drdy = {
.addr = ST_SENSORS_DEFAULT_STAT_ADDR,
.mask = 0x07,
@@ -653,9 +674,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
},
},
.drdy_irq = {
- .addr = 0x22,
- .mask_int1 = 0x10,
- .mask_int2 = 0x00,
+ .int1 = {
+ .addr = 0x22,
+ .mask = 0x10,
+ },
.addr_ihl = 0x25,
.mask_ihl = 0x02,
.stat_drdy = {
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index 34115f05d5c4..af702fa8fa84 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -283,7 +283,8 @@ static int st_sensors_set_drdy_int_pin(struct iio_dev *indio_dev,
struct st_sensor_data *sdata = iio_priv(indio_dev);
/* Sensor does not support interrupts */
- if (sdata->sensor_settings->drdy_irq.addr == 0) {
+ if (!sdata->sensor_settings->drdy_irq.int1.addr &&
+ !sdata->sensor_settings->drdy_irq.int2.addr) {
if (pdata->drdy_int_pin)
dev_info(&indio_dev->dev,
"DRDY on pin INT%d specified, but sensor "
@@ -294,7 +295,7 @@ static int st_sensors_set_drdy_int_pin(struct iio_dev *indio_dev,
switch (pdata->drdy_int_pin) {
case 1:
- if (sdata->sensor_settings->drdy_irq.mask_int1 == 0) {
+ if (!sdata->sensor_settings->drdy_irq.int1.mask) {
dev_err(&indio_dev->dev,
"DRDY on INT1 not available.\n");
return -EINVAL;
@@ -302,7 +303,7 @@ static int st_sensors_set_drdy_int_pin(struct iio_dev *indio_dev,
sdata->drdy_int_pin = 1;
break;
case 2:
- if (sdata->sensor_settings->drdy_irq.mask_int2 == 0) {
+ if (!sdata->sensor_settings->drdy_irq.int2.mask) {
dev_err(&indio_dev->dev,
"DRDY on INT2 not available.\n");
return -EINVAL;
@@ -460,10 +461,11 @@ EXPORT_SYMBOL(st_sensors_init_sensor);
int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable)
{
int err;
- u8 drdy_mask;
+ u8 drdy_addr, drdy_mask;
struct st_sensor_data *sdata = iio_priv(indio_dev);
- if (!sdata->sensor_settings->drdy_irq.addr) {
+ if (!sdata->sensor_settings->drdy_irq.int1.addr &&
+ !sdata->sensor_settings->drdy_irq.int2.addr) {
/*
* there are some devices (e.g. LIS3MDL) where drdy line is
* routed to a given pin and it is not possible to select a
@@ -485,18 +487,20 @@ int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable)
goto st_accel_set_dataready_irq_error;
}
- if (sdata->drdy_int_pin == 1)
- drdy_mask = sdata->sensor_settings->drdy_irq.mask_int1;
- else
- drdy_mask = sdata->sensor_settings->drdy_irq.mask_int2;
+ if (sdata->drdy_int_pin == 1) {
+ drdy_addr = sdata->sensor_settings->drdy_irq.int1.addr;
+ drdy_mask = sdata->sensor_settings->drdy_irq.int1.mask;
+ } else {
+ drdy_addr = sdata->sensor_settings->drdy_irq.int2.addr;
+ drdy_mask = sdata->sensor_settings->drdy_irq.int2.mask;
+ }
/* Flag to the poll function that the hardware trigger is in use */
sdata->hw_irq_trigger = enable;
/* Enable/Disable the interrupt generator for data ready. */
- err = st_sensors_write_data_with_mask(indio_dev,
- sdata->sensor_settings->drdy_irq.addr,
- drdy_mask, (int)enable);
+ err = st_sensors_write_data_with_mask(indio_dev, drdy_addr,
+ drdy_mask, (int)enable);
st_accel_set_dataready_irq_error:
return err;
diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c
index 22c0c1732996..46991f7131d1 100644
--- a/drivers/iio/gyro/st_gyro_core.c
+++ b/drivers/iio/gyro/st_gyro_core.c
@@ -111,8 +111,10 @@ static const struct st_sensor_settings st_gyro_sensors_settings[] = {
.mask = 0x80,
},
.drdy_irq = {
- .addr = 0x22,
- .mask_int2 = 0x08,
+ .int2 = {
+ .addr = 0x22,
+ .mask = 0x08,
+ },
/*
* The sensor has IHL (active low) and open
* drain settings, but only for INT1 and not
@@ -184,8 +186,10 @@ static const struct st_sensor_settings st_gyro_sensors_settings[] = {
.mask = 0x80,
},
.drdy_irq = {
- .addr = 0x22,
- .mask_int2 = 0x08,
+ .int2 = {
+ .addr = 0x22,
+ .mask = 0x08,
+ },
/*
* The sensor has IHL (active low) and open
* drain settings, but only for INT1 and not
@@ -252,8 +256,10 @@ static const struct st_sensor_settings st_gyro_sensors_settings[] = {
.mask = 0x80,
},
.drdy_irq = {
- .addr = 0x22,
- .mask_int2 = 0x08,
+ .int2 = {
+ .addr = 0x22,
+ .mask = 0x08,
+ },
/*
* The sensor has IHL (active low) and open
* drain settings, but only for INT1 and not
diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c
index ace72c57f53c..8745686f233c 100644
--- a/drivers/iio/magnetometer/st_magn_core.c
+++ b/drivers/iio/magnetometer/st_magn_core.c
@@ -362,8 +362,10 @@ static const struct st_sensor_settings st_magn_sensors_settings[] = {
.mask = 0x10,
},
.drdy_irq = {
- .addr = 0x62,
- .mask_int1 = 0x01,
+ .int1 = {
+ .addr = 0x62,
+ .mask = 0x01,
+ },
.stat_drdy = {
.addr = 0x67,
.mask = 0x07,
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
index 5f8358e23f5b..b8890e37a2d2 100644
--- a/drivers/iio/pressure/st_pressure_core.c
+++ b/drivers/iio/pressure/st_pressure_core.c
@@ -280,9 +280,14 @@ static const struct st_sensor_settings st_press_sensors_settings[] = {
.mask = 0x04,
},
.drdy_irq = {
- .addr = 0x22,
- .mask_int1 = 0x04,
- .mask_int2 = 0x20,
+ .int1 = {
+ .addr = 0x22,
+ .mask = 0x04,
+ },
+ .int2 = {
+ .addr = 0x22,
+ .mask = 0x20,
+ },
.addr_ihl = 0x22,
.mask_ihl = 0x80,
.addr_od = 0x22,
@@ -338,9 +343,6 @@ static const struct st_sensor_settings st_press_sensors_settings[] = {
.addr = 0x20,
.mask = 0x04,
},
- .drdy_irq = {
- .addr = 0,
- },
.multi_read_bit = true,
.bootime = 2,
},
@@ -391,9 +393,10 @@ static const struct st_sensor_settings st_press_sensors_settings[] = {
.mask = 0x04,
},
.drdy_irq = {
- .addr = 0x23,
- .mask_int1 = 0x01,
- .mask_int2 = 0x00,
+ .int1 = {
+ .addr = 0x23,
+ .mask = 0x01,
+ },
.addr_ihl = 0x22,
.mask_ihl = 0x80,
.addr_od = 0x22,
@@ -455,9 +458,10 @@ static const struct st_sensor_settings st_press_sensors_settings[] = {
.mask = 0x02,
},
.drdy_irq = {
- .addr = 0x12,
- .mask_int1 = 0x04,
- .mask_int2 = 0x00,
+ .int1 = {
+ .addr = 0x12,
+ .mask = 0x04,
+ },
.addr_ihl = 0x12,
.mask_ihl = 0x80,
.addr_od = 0x12,
@@ -614,7 +618,8 @@ int st_press_common_probe(struct iio_dev *indio_dev)
press_data->odr = press_data->sensor_settings->odr.odr_avl[0].hz;
/* Some devices don't support a data ready pin. */
- if (!pdata && press_data->sensor_settings->drdy_irq.addr)
+ if (!pdata && (press_data->sensor_settings->drdy_irq.int1.addr ||
+ press_data->sensor_settings->drdy_irq.int2.addr))
pdata = (struct st_sensors_platform_data *)&default_press_pdata;
err = st_sensors_init_sensor(indio_dev, press_data->dev->platform_data);