diff options
Diffstat (limited to 'drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c')
| -rw-r--r-- | drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 98 |
1 files changed, 70 insertions, 28 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index b485540da89e..239c735242be 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -42,8 +42,6 @@ #include "st_lsm6dsx.h" -#define ST_LSM6DSX_REG_ACC_DEC_MASK GENMASK(2, 0) -#define ST_LSM6DSX_REG_GYRO_DEC_MASK GENMASK(5, 3) #define ST_LSM6DSX_REG_INT1_ADDR 0x0d #define ST_LSM6DSX_REG_INT2_ADDR 0x0e #define ST_LSM6DSX_REG_FIFO_FTH_IRQ_MASK BIT(3) @@ -54,10 +52,6 @@ #define ST_LSM6DSX_REG_BDU_MASK BIT(6) #define ST_LSM6DSX_REG_INT2_ON_INT1_ADDR 0x13 #define ST_LSM6DSX_REG_INT2_ON_INT1_MASK BIT(5) -#define ST_LSM6DSX_REG_ROUNDING_ADDR 0x16 -#define ST_LSM6DSX_REG_ROUNDING_MASK BIT(2) -#define ST_LSM6DSX_REG_LIR_ADDR 0x58 -#define ST_LSM6DSX_REG_LIR_MASK BIT(0) #define ST_LSM6DSX_REG_ACC_ODR_ADDR 0x10 #define ST_LSM6DSX_REG_ACC_ODR_MASK GENMASK(7, 4) @@ -160,25 +154,88 @@ static const struct st_lsm6dsx_fs_table_entry st_lsm6dsx_fs_table[] = { static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { { .wai = 0x69, - .max_fifo_size = 8192, + .max_fifo_size = 1365, .id = { [0] = ST_LSM6DS3_ID, }, + .decimator = { + [ST_LSM6DSX_ID_ACC] = { + .addr = 0x08, + .mask = GENMASK(2, 0), + }, + [ST_LSM6DSX_ID_GYRO] = { + .addr = 0x08, + .mask = GENMASK(5, 3), + }, + }, + .fifo_ops = { + .fifo_th = { + .addr = 0x06, + .mask = GENMASK(11, 0), + }, + .fifo_diff = { + .addr = 0x3a, + .mask = GENMASK(11, 0), + }, + .th_wl = 3, /* 1LSB = 2B */ + }, }, { .wai = 0x69, - .max_fifo_size = 4096, + .max_fifo_size = 682, .id = { [0] = ST_LSM6DS3H_ID, }, + .decimator = { + [ST_LSM6DSX_ID_ACC] = { + .addr = 0x08, + .mask = GENMASK(2, 0), + }, + [ST_LSM6DSX_ID_GYRO] = { + .addr = 0x08, + .mask = GENMASK(5, 3), + }, + }, + .fifo_ops = { + .fifo_th = { + .addr = 0x06, + .mask = GENMASK(11, 0), + }, + .fifo_diff = { + .addr = 0x3a, + .mask = GENMASK(11, 0), + }, + .th_wl = 3, /* 1LSB = 2B */ + }, }, { .wai = 0x6a, - .max_fifo_size = 4096, + .max_fifo_size = 682, .id = { [0] = ST_LSM6DSL_ID, [1] = ST_LSM6DSM_ID, }, + .decimator = { + [ST_LSM6DSX_ID_ACC] = { + .addr = 0x08, + .mask = GENMASK(2, 0), + }, + [ST_LSM6DSX_ID_GYRO] = { + .addr = 0x08, + .mask = GENMASK(5, 3), + }, + }, + .fifo_ops = { + .fifo_th = { + .addr = 0x06, + .mask = GENMASK(11, 0), + }, + .fifo_diff = { + .addr = 0x3a, + .mask = GENMASK(11, 0), + }, + .th_wl = 3, /* 1LSB = 2B */ + }, }, }; @@ -322,7 +379,6 @@ static int st_lsm6dsx_check_odr(struct st_lsm6dsx_sensor *sensor, u16 odr, return -EINVAL; *val = st_lsm6dsx_odr_table[sensor->id].odr_avl[i].val; - sensor->odr = odr; return 0; } @@ -449,6 +505,8 @@ static int st_lsm6dsx_write_raw(struct iio_dev *iio_dev, u8 data; err = st_lsm6dsx_check_odr(sensor, val, &data); + if (!err) + sensor->odr = val; break; } default: @@ -465,10 +523,9 @@ static int st_lsm6dsx_set_watermark(struct iio_dev *iio_dev, unsigned int val) { struct st_lsm6dsx_sensor *sensor = iio_priv(iio_dev); struct st_lsm6dsx_hw *hw = sensor->hw; - int err, max_fifo_len; + int err; - max_fifo_len = hw->settings->max_fifo_size / ST_LSM6DSX_SAMPLE_SIZE; - if (val < 1 || val > max_fifo_len) + if (val < 1 || val > hw->settings->max_fifo_size) return -EINVAL; err = st_lsm6dsx_update_watermark(sensor, val); @@ -530,7 +587,6 @@ static const struct attribute_group st_lsm6dsx_acc_attribute_group = { }; static const struct iio_info st_lsm6dsx_acc_info = { - .driver_module = THIS_MODULE, .attrs = &st_lsm6dsx_acc_attribute_group, .read_raw = st_lsm6dsx_read_raw, .write_raw = st_lsm6dsx_write_raw, @@ -548,7 +604,6 @@ static const struct attribute_group st_lsm6dsx_gyro_attribute_group = { }; static const struct iio_info st_lsm6dsx_gyro_info = { - .driver_module = THIS_MODULE, .attrs = &st_lsm6dsx_gyro_attribute_group, .read_raw = st_lsm6dsx_read_raw, .write_raw = st_lsm6dsx_write_raw, @@ -608,23 +663,12 @@ static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw) msleep(200); - /* latch interrupts */ - err = st_lsm6dsx_write_with_mask(hw, ST_LSM6DSX_REG_LIR_ADDR, - ST_LSM6DSX_REG_LIR_MASK, 1); - if (err < 0) - return err; - /* enable Block Data Update */ err = st_lsm6dsx_write_with_mask(hw, ST_LSM6DSX_REG_BDU_ADDR, ST_LSM6DSX_REG_BDU_MASK, 1); if (err < 0) return err; - err = st_lsm6dsx_write_with_mask(hw, ST_LSM6DSX_REG_ROUNDING_ADDR, - ST_LSM6DSX_REG_ROUNDING_MASK, 1); - if (err < 0) - return err; - /* enable FIFO watermak interrupt */ err = st_lsm6dsx_get_drdy_reg(hw, &drdy_int_reg); if (err < 0) @@ -662,7 +706,6 @@ static struct iio_dev *st_lsm6dsx_alloc_iiodev(struct st_lsm6dsx_hw *hw, iio_dev->num_channels = ARRAY_SIZE(st_lsm6dsx_acc_channels); iio_dev->info = &st_lsm6dsx_acc_info; - sensor->decimator_mask = ST_LSM6DSX_REG_ACC_DEC_MASK; scnprintf(sensor->name, sizeof(sensor->name), "%s_accel", name); break; @@ -671,7 +714,6 @@ static struct iio_dev *st_lsm6dsx_alloc_iiodev(struct st_lsm6dsx_hw *hw, iio_dev->num_channels = ARRAY_SIZE(st_lsm6dsx_gyro_channels); iio_dev->info = &st_lsm6dsx_gyro_info; - sensor->decimator_mask = ST_LSM6DSX_REG_GYRO_DEC_MASK; scnprintf(sensor->name, sizeof(sensor->name), "%s_gyro", name); break; |