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iio: imu: st_lsm6dsx: move odr_table in st_lsm6dsx_sensor_settings 

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>
This commit is contained in:
Lorenzo Bianconi 2019-07-29 21:22:28 +02:00 коммит произвёл Jonathan Cameron
Родитель dff38165a5
Коммит 40dd734389
2 изменённых файлов: 166 добавлений и 32 удалений
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2
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
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@ -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.
* @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.
@ -213,6 +214,7 @@ 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;

196
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
Просмотреть файл

@ -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,
@ -238,6 +263,32 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.name = ST_LSM6DS3TRC_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,
@ -291,6 +342,32 @@ 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,
@ -359,6 +436,32 @@ 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,
@ -401,6 +504,32 @@ 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,
@ -563,20 +692,22 @@ 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;
}
@ -641,7 +772,7 @@ 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);
}
@ -786,11 +917,12 @@ 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;
@ -1040,7 +1172,7 @@ 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;