Move IIO channel definitions in st_lsm6dsx_sensor_settings in order to
support sensors with different channels maps.
This is a preliminary patch to add support for LSM9DS1 sensor to
st_lsm6dsx driver.
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h | 5 +
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 96 ++++++++++++++++----
2 files changed, 81 insertions(+), 20 deletions(-)
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
index ab1c66615d67..5090f1b3525a 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
@@ -200,6 +200,7 @@ struct st_lsm6dsx_ext_dev_settings {
* @wai: Sensor WhoAmI default value.
* @max_fifo_size: Sensor max fifo length in FIFO words.
* @id: List of hw id/device name supported by the driver configuration.
+ * @channels: IIO channels supported by the device.
* @odr_table: Hw sensors odr table (Hz + val).
* @fs_table: Hw sensors gain table (gain + val).
* @decimator: List of decimator register info (addr + mask).
@@ -215,6 +216,10 @@ struct st_lsm6dsx_settings {
enum st_lsm6dsx_hw_id hw_id;
const char *name;
} id[ST_LSM6DSX_MAX_ID];
+ struct {
+ const struct iio_chan_spec *chan;
+ int len;
+ } channels[2];
struct st_lsm6dsx_odr_table_entry odr_table[2];
struct st_lsm6dsx_fs_table_entry fs_table[2];
struct st_lsm6dsx_reg decimator[ST_LSM6DSX_MAX_ID];
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index 0abd5b85b398..fc4d18b58c97 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -61,6 +61,20 @@
#define ST_LSM6DSX_REG_INT2_ON_INT1_ADDR 0x13
#define ST_LSM6DSX_REG_INT2_ON_INT1_MASK BIT(5)
+static const struct iio_chan_spec st_lsm6dsx_acc_channels[] = {
+ ST_LSM6DSX_CHANNEL(IIO_ACCEL, 0x28, IIO_MOD_X, 0),
+ ST_LSM6DSX_CHANNEL(IIO_ACCEL, 0x2a, IIO_MOD_Y, 1),
+ ST_LSM6DSX_CHANNEL(IIO_ACCEL, 0x2c, IIO_MOD_Z, 2),
+ IIO_CHAN_SOFT_TIMESTAMP(3),
+};
+
+static const struct iio_chan_spec st_lsm6dsx_gyro_channels[] = {
+ ST_LSM6DSX_CHANNEL(IIO_ANGL_VEL, 0x22, IIO_MOD_X, 0),
+ ST_LSM6DSX_CHANNEL(IIO_ANGL_VEL, 0x24, IIO_MOD_Y, 1),
+ ST_LSM6DSX_CHANNEL(IIO_ANGL_VEL, 0x26, IIO_MOD_Z, 2),
+ IIO_CHAN_SOFT_TIMESTAMP(3),
+};
+
static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
{
.wai = 0x69,
@@ -71,6 +85,16 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.name = ST_LSM6DS3_DEV_NAME,
},
},
+ .channels = {
+ [ST_LSM6DSX_ID_ACC] = {
+ .chan = st_lsm6dsx_acc_channels,
+ .len = ARRAY_SIZE(st_lsm6dsx_acc_channels),
+ },
+ [ST_LSM6DSX_ID_GYRO] = {
+ .chan = st_lsm6dsx_gyro_channels,
+ .len = ARRAY_SIZE(st_lsm6dsx_gyro_channels),
+ },
+ },
.odr_table = {
[ST_LSM6DSX_ID_ACC] = {
.reg = {
@@ -169,6 +193,16 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.name = ST_LSM6DS3H_DEV_NAME,
},
},
+ .channels = {
+ [ST_LSM6DSX_ID_ACC] = {
+ .chan = st_lsm6dsx_acc_channels,
+ .len = ARRAY_SIZE(st_lsm6dsx_acc_channels),
+ },
+ [ST_LSM6DSX_ID_GYRO] = {
+ .chan = st_lsm6dsx_gyro_channels,
+ .len = ARRAY_SIZE(st_lsm6dsx_gyro_channels),
+ },
+ },
.odr_table = {
[ST_LSM6DSX_ID_ACC] = {
.reg = {
@@ -276,6 +310,16 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.name = ST_LSM6DS3TRC_DEV_NAME,
},
},
+ .channels = {
+ [ST_LSM6DSX_ID_ACC] = {
+ .chan = st_lsm6dsx_acc_channels,
+ .len = ARRAY_SIZE(st_lsm6dsx_acc_channels),
+ },
+ [ST_LSM6DSX_ID_GYRO] = {
+ .chan = st_lsm6dsx_gyro_channels,
+ .len = ARRAY_SIZE(st_lsm6dsx_gyro_channels),
+ },
+ },
.odr_table = {
[ST_LSM6DSX_ID_ACC] = {
.reg = {
@@ -377,6 +421,16 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.name = ST_LSM6DSOX_DEV_NAME,
},
},
+ .channels = {
+ [ST_LSM6DSX_ID_ACC] = {
+ .chan = st_lsm6dsx_acc_channels,
+ .len = ARRAY_SIZE(st_lsm6dsx_acc_channels),
+ },
+ [ST_LSM6DSX_ID_GYRO] = {
+ .chan = st_lsm6dsx_gyro_channels,
+ .len = ARRAY_SIZE(st_lsm6dsx_gyro_channels),
+ },
+ },
.odr_table = {
[ST_LSM6DSX_ID_ACC] = {
.reg = {
@@ -493,6 +547,16 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.name = ST_ASM330LHH_DEV_NAME,
},
},
+ .channels = {
+ [ST_LSM6DSX_ID_ACC] = {
+ .chan = st_lsm6dsx_acc_channels,
+ .len = ARRAY_SIZE(st_lsm6dsx_acc_channels),
+ },
+ [ST_LSM6DSX_ID_GYRO] = {
+ .chan = st_lsm6dsx_gyro_channels,
+ .len = ARRAY_SIZE(st_lsm6dsx_gyro_channels),
+ },
+ },
.odr_table = {
[ST_LSM6DSX_ID_ACC] = {
.reg = {
@@ -583,6 +647,16 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.name = ST_LSM6DSR_DEV_NAME,
},
},
+ .channels = {
+ [ST_LSM6DSX_ID_ACC] = {
+ .chan = st_lsm6dsx_acc_channels,
+ .len = ARRAY_SIZE(st_lsm6dsx_acc_channels),
+ },
+ [ST_LSM6DSX_ID_GYRO] = {
+ .chan = st_lsm6dsx_gyro_channels,
+ .len = ARRAY_SIZE(st_lsm6dsx_gyro_channels),
+ },
+ },
.odr_table = {
[ST_LSM6DSX_ID_ACC] = {
.reg = {
@@ -692,20 +766,6 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
},
};
-static const struct iio_chan_spec st_lsm6dsx_acc_channels[] = {
- ST_LSM6DSX_CHANNEL(IIO_ACCEL, 0x28, IIO_MOD_X, 0),
- ST_LSM6DSX_CHANNEL(IIO_ACCEL, 0x2a, IIO_MOD_Y, 1),
- ST_LSM6DSX_CHANNEL(IIO_ACCEL, 0x2c, IIO_MOD_Z, 2),
- IIO_CHAN_SOFT_TIMESTAMP(3),
-};
-
-static const struct iio_chan_spec st_lsm6dsx_gyro_channels[] = {
- ST_LSM6DSX_CHANNEL(IIO_ANGL_VEL, 0x22, IIO_MOD_X, 0),
- ST_LSM6DSX_CHANNEL(IIO_ANGL_VEL, 0x24, IIO_MOD_Y, 1),
- ST_LSM6DSX_CHANNEL(IIO_ANGL_VEL, 0x26, IIO_MOD_Z, 2),
- IIO_CHAN_SOFT_TIMESTAMP(3),
-};
-
int st_lsm6dsx_set_page(struct st_lsm6dsx_hw *hw, bool enable)
{
const struct st_lsm6dsx_shub_settings *hub_settings;
@@ -1263,6 +1323,8 @@ static struct iio_dev *st_lsm6dsx_alloc_iiodev(struct st_lsm6dsx_hw *hw,
iio_dev->modes = INDIO_DIRECT_MODE;
iio_dev->dev.parent = hw->dev;
iio_dev->available_scan_masks = st_lsm6dsx_available_scan_masks;
+ iio_dev->channels = hw->settings->channels[id].chan;
+ iio_dev->num_channels = hw->settings->channels[id].len;
sensor = iio_priv(iio_dev);
sensor->id = id;
@@ -1273,18 +1335,12 @@ static struct iio_dev *st_lsm6dsx_alloc_iiodev(struct st_lsm6dsx_hw *hw,
switch (id) {
case ST_LSM6DSX_ID_ACC:
- iio_dev->channels = st_lsm6dsx_acc_channels;
- iio_dev->num_channels = ARRAY_SIZE(st_lsm6dsx_acc_channels);
iio_dev->info = &st_lsm6dsx_acc_info;
-
scnprintf(sensor->name, sizeof(sensor->name), "%s_accel",
name);
break;
case ST_LSM6DSX_ID_GYRO:
- iio_dev->channels = st_lsm6dsx_gyro_channels;
- iio_dev->num_channels = ARRAY_SIZE(st_lsm6dsx_gyro_channels);
iio_dev->info = &st_lsm6dsx_gyro_info;
-
scnprintf(sensor->name, sizeof(sensor->name), "%s_gyro",
name);
break;
--
2.21.0
