From: Lorenzo Bianconi lorenzo@kernel.org
[ Upstream commit 40dd7343897760c4b617faa78d213e25652de9a6 ]
Move sensor odr table in st_lsm6dsx_sensor_settings in order to support sensors with different odr maps. This is a preliminary patch to add support for LSM9DS1 sensor to st_lsm6dsx driver
Tested-by: Martin Kepplinger martin.kepplinger@puri.sm Signed-off-by: Lorenzo Bianconi lorenzo@kernel.org Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h | 2 + drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 196 ++++++++++++++++--- 2 files changed, 166 insertions(+), 32 deletions(-)
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h index c14bf533b66b3..ceee4e1aa5d4e 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h @@ -198,6 +198,7 @@ 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. + * @odr_table: Hw sensors odr table (Hz + val). * @decimator: List of decimator register info (addr + mask). * @batch: List of FIFO batching register info (addr + mask). * @fifo_ops: Sensor hw FIFO parameters. @@ -211,6 +212,7 @@ struct st_lsm6dsx_settings { enum st_lsm6dsx_hw_id hw_id; const char *name; } id[ST_LSM6DSX_MAX_ID]; + struct st_lsm6dsx_odr_table_entry odr_table[2]; struct st_lsm6dsx_reg decimator[ST_LSM6DSX_MAX_ID]; struct st_lsm6dsx_reg batch[ST_LSM6DSX_MAX_ID]; struct st_lsm6dsx_fifo_ops fifo_ops; diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index a6702a74570e2..41341cf2d9821 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -69,33 +69,6 @@ #define ST_LSM6DSX_REG_GYRO_OUT_Y_L_ADDR 0x24 #define ST_LSM6DSX_REG_GYRO_OUT_Z_L_ADDR 0x26
-static const struct st_lsm6dsx_odr_table_entry st_lsm6dsx_odr_table[] = { - [ST_LSM6DSX_ID_ACC] = { - .reg = { - .addr = 0x10, - .mask = GENMASK(7, 4), - }, - .odr_avl[0] = { 13, 0x01 }, - .odr_avl[1] = { 26, 0x02 }, - .odr_avl[2] = { 52, 0x03 }, - .odr_avl[3] = { 104, 0x04 }, - .odr_avl[4] = { 208, 0x05 }, - .odr_avl[5] = { 416, 0x06 }, - }, - [ST_LSM6DSX_ID_GYRO] = { - .reg = { - .addr = 0x11, - .mask = GENMASK(7, 4), - }, - .odr_avl[0] = { 13, 0x01 }, - .odr_avl[1] = { 26, 0x02 }, - .odr_avl[2] = { 52, 0x03 }, - .odr_avl[3] = { 104, 0x04 }, - .odr_avl[4] = { 208, 0x05 }, - .odr_avl[5] = { 416, 0x06 }, - } -}; - static const struct st_lsm6dsx_fs_table_entry st_lsm6dsx_fs_table[] = { [ST_LSM6DSX_ID_ACC] = { .reg = { @@ -129,6 +102,32 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .name = ST_LSM6DS3_DEV_NAME, }, }, + .odr_table = { + [ST_LSM6DSX_ID_ACC] = { + .reg = { + .addr = 0x10, + .mask = GENMASK(7, 4), + }, + .odr_avl[0] = { 13, 0x01 }, + .odr_avl[1] = { 26, 0x02 }, + .odr_avl[2] = { 52, 0x03 }, + .odr_avl[3] = { 104, 0x04 }, + .odr_avl[4] = { 208, 0x05 }, + .odr_avl[5] = { 416, 0x06 }, + }, + [ST_LSM6DSX_ID_GYRO] = { + .reg = { + .addr = 0x11, + .mask = GENMASK(7, 4), + }, + .odr_avl[0] = { 13, 0x01 }, + .odr_avl[1] = { 26, 0x02 }, + .odr_avl[2] = { 52, 0x03 }, + .odr_avl[3] = { 104, 0x04 }, + .odr_avl[4] = { 208, 0x05 }, + .odr_avl[5] = { 416, 0x06 }, + }, + }, .decimator = { [ST_LSM6DSX_ID_ACC] = { .addr = 0x08, @@ -179,6 +178,32 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .name = ST_LSM6DS3H_DEV_NAME, }, }, + .odr_table = { + [ST_LSM6DSX_ID_ACC] = { + .reg = { + .addr = 0x10, + .mask = GENMASK(7, 4), + }, + .odr_avl[0] = { 13, 0x01 }, + .odr_avl[1] = { 26, 0x02 }, + .odr_avl[2] = { 52, 0x03 }, + .odr_avl[3] = { 104, 0x04 }, + .odr_avl[4] = { 208, 0x05 }, + .odr_avl[5] = { 416, 0x06 }, + }, + [ST_LSM6DSX_ID_GYRO] = { + .reg = { + .addr = 0x11, + .mask = GENMASK(7, 4), + }, + .odr_avl[0] = { 13, 0x01 }, + .odr_avl[1] = { 26, 0x02 }, + .odr_avl[2] = { 52, 0x03 }, + .odr_avl[3] = { 104, 0x04 }, + .odr_avl[4] = { 208, 0x05 }, + .odr_avl[5] = { 416, 0x06 }, + }, + }, .decimator = { [ST_LSM6DSX_ID_ACC] = { .addr = 0x08, @@ -235,6 +260,32 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .name = ST_ISM330DLC_DEV_NAME, }, }, + .odr_table = { + [ST_LSM6DSX_ID_ACC] = { + .reg = { + .addr = 0x10, + .mask = GENMASK(7, 4), + }, + .odr_avl[0] = { 13, 0x01 }, + .odr_avl[1] = { 26, 0x02 }, + .odr_avl[2] = { 52, 0x03 }, + .odr_avl[3] = { 104, 0x04 }, + .odr_avl[4] = { 208, 0x05 }, + .odr_avl[5] = { 416, 0x06 }, + }, + [ST_LSM6DSX_ID_GYRO] = { + .reg = { + .addr = 0x11, + .mask = GENMASK(7, 4), + }, + .odr_avl[0] = { 13, 0x01 }, + .odr_avl[1] = { 26, 0x02 }, + .odr_avl[2] = { 52, 0x03 }, + .odr_avl[3] = { 104, 0x04 }, + .odr_avl[4] = { 208, 0x05 }, + .odr_avl[5] = { 416, 0x06 }, + }, + }, .decimator = { [ST_LSM6DSX_ID_ACC] = { .addr = 0x08, @@ -288,6 +339,32 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .name = ST_LSM6DSOX_DEV_NAME, }, }, + .odr_table = { + [ST_LSM6DSX_ID_ACC] = { + .reg = { + .addr = 0x10, + .mask = GENMASK(7, 4), + }, + .odr_avl[0] = { 13, 0x01 }, + .odr_avl[1] = { 26, 0x02 }, + .odr_avl[2] = { 52, 0x03 }, + .odr_avl[3] = { 104, 0x04 }, + .odr_avl[4] = { 208, 0x05 }, + .odr_avl[5] = { 416, 0x06 }, + }, + [ST_LSM6DSX_ID_GYRO] = { + .reg = { + .addr = 0x11, + .mask = GENMASK(7, 4), + }, + .odr_avl[0] = { 13, 0x01 }, + .odr_avl[1] = { 26, 0x02 }, + .odr_avl[2] = { 52, 0x03 }, + .odr_avl[3] = { 104, 0x04 }, + .odr_avl[4] = { 208, 0x05 }, + .odr_avl[5] = { 416, 0x06 }, + }, + }, .batch = { [ST_LSM6DSX_ID_ACC] = { .addr = 0x09, @@ -356,6 +433,32 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .name = ST_ASM330LHH_DEV_NAME, }, }, + .odr_table = { + [ST_LSM6DSX_ID_ACC] = { + .reg = { + .addr = 0x10, + .mask = GENMASK(7, 4), + }, + .odr_avl[0] = { 13, 0x01 }, + .odr_avl[1] = { 26, 0x02 }, + .odr_avl[2] = { 52, 0x03 }, + .odr_avl[3] = { 104, 0x04 }, + .odr_avl[4] = { 208, 0x05 }, + .odr_avl[5] = { 416, 0x06 }, + }, + [ST_LSM6DSX_ID_GYRO] = { + .reg = { + .addr = 0x11, + .mask = GENMASK(7, 4), + }, + .odr_avl[0] = { 13, 0x01 }, + .odr_avl[1] = { 26, 0x02 }, + .odr_avl[2] = { 52, 0x03 }, + .odr_avl[3] = { 104, 0x04 }, + .odr_avl[4] = { 208, 0x05 }, + .odr_avl[5] = { 416, 0x06 }, + }, + }, .batch = { [ST_LSM6DSX_ID_ACC] = { .addr = 0x09, @@ -398,6 +501,32 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .name = ST_LSM6DSR_DEV_NAME, }, }, + .odr_table = { + [ST_LSM6DSX_ID_ACC] = { + .reg = { + .addr = 0x10, + .mask = GENMASK(7, 4), + }, + .odr_avl[0] = { 13, 0x01 }, + .odr_avl[1] = { 26, 0x02 }, + .odr_avl[2] = { 52, 0x03 }, + .odr_avl[3] = { 104, 0x04 }, + .odr_avl[4] = { 208, 0x05 }, + .odr_avl[5] = { 416, 0x06 }, + }, + [ST_LSM6DSX_ID_GYRO] = { + .reg = { + .addr = 0x11, + .mask = GENMASK(7, 4), + }, + .odr_avl[0] = { 13, 0x01 }, + .odr_avl[1] = { 26, 0x02 }, + .odr_avl[2] = { 52, 0x03 }, + .odr_avl[3] = { 104, 0x04 }, + .odr_avl[4] = { 208, 0x05 }, + .odr_avl[5] = { 416, 0x06 }, + }, + }, .batch = { [ST_LSM6DSX_ID_ACC] = { .addr = 0x09, @@ -560,20 +689,22 @@ static int st_lsm6dsx_set_full_scale(struct st_lsm6dsx_sensor *sensor,
int st_lsm6dsx_check_odr(struct st_lsm6dsx_sensor *sensor, u16 odr, u8 *val) { + const struct st_lsm6dsx_odr_table_entry *odr_table; int i;
+ odr_table = &sensor->hw->settings->odr_table[sensor->id]; for (i = 0; i < ST_LSM6DSX_ODR_LIST_SIZE; i++) /* * ext devices can run at different odr respect to * accel sensor */ - if (st_lsm6dsx_odr_table[sensor->id].odr_avl[i].hz >= odr) + if (odr_table->odr_avl[i].hz >= odr) break;
if (i == ST_LSM6DSX_ODR_LIST_SIZE) return -EINVAL;
- *val = st_lsm6dsx_odr_table[sensor->id].odr_avl[i].val; + *val = odr_table->odr_avl[i].val;
return 0; } @@ -638,7 +769,7 @@ static int st_lsm6dsx_set_odr(struct st_lsm6dsx_sensor *sensor, u16 req_odr) return err; }
- reg = &st_lsm6dsx_odr_table[ref_sensor->id].reg; + reg = &hw->settings->odr_table[ref_sensor->id].reg; data = ST_LSM6DSX_SHIFT_VAL(val, reg->mask); return st_lsm6dsx_update_bits_locked(hw, reg->addr, reg->mask, data); } @@ -783,11 +914,12 @@ st_lsm6dsx_sysfs_sampling_frequency_avail(struct device *dev, { struct st_lsm6dsx_sensor *sensor = iio_priv(dev_get_drvdata(dev)); enum st_lsm6dsx_sensor_id id = sensor->id; + struct st_lsm6dsx_hw *hw = sensor->hw; int i, len = 0;
for (i = 0; i < ST_LSM6DSX_ODR_LIST_SIZE; i++) len += scnprintf(buf + len, PAGE_SIZE - len, "%d ", - st_lsm6dsx_odr_table[id].odr_avl[i].hz); + hw->settings->odr_table[id].odr_avl[i].hz); buf[len - 1] = '\n';
return len; @@ -1037,7 +1169,7 @@ static struct iio_dev *st_lsm6dsx_alloc_iiodev(struct st_lsm6dsx_hw *hw, sensor = iio_priv(iio_dev); sensor->id = id; sensor->hw = hw; - sensor->odr = st_lsm6dsx_odr_table[id].odr_avl[0].hz; + sensor->odr = hw->settings->odr_table[id].odr_avl[0].hz; sensor->gain = st_lsm6dsx_fs_table[id].fs_avl[0].gain; sensor->watermark = 1;