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iio: imu: st_lsm6dsx: get device name from st_lsm6dsx_sensor_settings

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Introduce sensor name in st_lsm6dsx_sensor_settings table. This is
a preliminary patch to add I3C support to st_lsm6dsx since i3c_device_id
data structure does not contain a name field

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Lorenzo Bianconi 2019-06-08 14:30:08 +02:00 committed by Jonathan Cameron
parent 9f3bf94f65
commit 81956a93b5
4 changed files with 48 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
View File

@ -198,7 +198,7 @@ struct st_lsm6dsx_ext_dev_settings {
* struct st_lsm6dsx_settings - ST IMU sensor settings * struct st_lsm6dsx_settings - ST IMU sensor settings
* @wai: Sensor WhoAmI default value. * @wai: Sensor WhoAmI default value.
* @max_fifo_size: Sensor max fifo length in FIFO words. * @max_fifo_size: Sensor max fifo length in FIFO words.
* @id: List of hw id supported by the driver configuration. * @id: List of hw id/device name supported by the driver configuration.
* @decimator: List of decimator register info (addr + mask). * @decimator: List of decimator register info (addr + mask).
* @batch: List of FIFO batching register info (addr + mask). * @batch: List of FIFO batching register info (addr + mask).
* @fifo_ops: Sensor hw FIFO parameters. * @fifo_ops: Sensor hw FIFO parameters.
@ -208,7 +208,10 @@ struct st_lsm6dsx_ext_dev_settings {
struct st_lsm6dsx_settings { struct st_lsm6dsx_settings {
u8 wai; u8 wai;
u16 max_fifo_size; u16 max_fifo_size;
enum st_lsm6dsx_hw_id id[ST_LSM6DSX_MAX_ID]; struct {
enum st_lsm6dsx_hw_id hw_id;
const char *name;
} id[ST_LSM6DSX_MAX_ID];
struct st_lsm6dsx_reg decimator[ST_LSM6DSX_MAX_ID]; struct st_lsm6dsx_reg decimator[ST_LSM6DSX_MAX_ID];
struct st_lsm6dsx_reg batch[ST_LSM6DSX_MAX_ID]; struct st_lsm6dsx_reg batch[ST_LSM6DSX_MAX_ID];
struct st_lsm6dsx_fifo_ops fifo_ops; struct st_lsm6dsx_fifo_ops fifo_ops;
@ -302,7 +305,7 @@ struct st_lsm6dsx_hw {
static const unsigned long st_lsm6dsx_available_scan_masks[] = {0x7, 0x0}; static const unsigned long st_lsm6dsx_available_scan_masks[] = {0x7, 0x0};
extern const struct dev_pm_ops st_lsm6dsx_pm_ops; extern const struct dev_pm_ops st_lsm6dsx_pm_ops;
int st_lsm6dsx_probe(struct device *dev, int irq, int hw_id, const char *name, int st_lsm6dsx_probe(struct device *dev, int irq, int hw_id,
struct regmap *regmap); struct regmap *regmap);
int st_lsm6dsx_sensor_set_enable(struct st_lsm6dsx_sensor *sensor, int st_lsm6dsx_sensor_set_enable(struct st_lsm6dsx_sensor *sensor,
bool enable); bool enable);

53
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
View File

@ -125,7 +125,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.wai = 0x69, .wai = 0x69,
.max_fifo_size = 1365, .max_fifo_size = 1365,
.id = { .id = {
[0] = ST_LSM6DS3_ID, {
.hw_id = ST_LSM6DS3_ID,
.name = ST_LSM6DS3_DEV_NAME,
},
}, },
.decimator = { .decimator = {
[ST_LSM6DSX_ID_ACC] = { [ST_LSM6DSX_ID_ACC] = {
@ -172,7 +175,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.wai = 0x69, .wai = 0x69,
.max_fifo_size = 682, .max_fifo_size = 682,
.id = { .id = {
[0] = ST_LSM6DS3H_ID, {
.hw_id = ST_LSM6DS3H_ID,
.name = ST_LSM6DS3H_DEV_NAME,
},
}, },
.decimator = { .decimator = {
[ST_LSM6DSX_ID_ACC] = { [ST_LSM6DSX_ID_ACC] = {
@ -219,9 +225,16 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.wai = 0x6a, .wai = 0x6a,
.max_fifo_size = 682, .max_fifo_size = 682,
.id = { .id = {
[0] = ST_LSM6DSL_ID, {
[1] = ST_LSM6DSM_ID, .hw_id = ST_LSM6DSL_ID,
[2] = ST_ISM330DLC_ID, .name = ST_LSM6DSL_DEV_NAME,
}, {
.hw_id = ST_LSM6DSM_ID,
.name = ST_LSM6DSM_DEV_NAME,
}, {
.hw_id = ST_ISM330DLC_ID,
.name = ST_ISM330DLC_DEV_NAME,
},
}, },
.decimator = { .decimator = {
[ST_LSM6DSX_ID_ACC] = { [ST_LSM6DSX_ID_ACC] = {
@ -268,8 +281,13 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.wai = 0x6c, .wai = 0x6c,
.max_fifo_size = 512, .max_fifo_size = 512,
.id = { .id = {
[0] = ST_LSM6DSO_ID, {
[1] = ST_LSM6DSOX_ID, .hw_id = ST_LSM6DSO_ID,
.name = ST_LSM6DSO_DEV_NAME,
}, {
.hw_id = ST_LSM6DSOX_ID,
.name = ST_LSM6DSOX_DEV_NAME,
},
}, },
.batch = { .batch = {
[ST_LSM6DSX_ID_ACC] = { [ST_LSM6DSX_ID_ACC] = {
@ -334,7 +352,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.wai = 0x6b, .wai = 0x6b,
.max_fifo_size = 512, .max_fifo_size = 512,
.id = { .id = {
[0] = ST_ASM330LHH_ID, {
.hw_id = ST_ASM330LHH_ID,
.name = ST_ASM330LHH_DEV_NAME,
},
}, },
.batch = { .batch = {
[ST_LSM6DSX_ID_ACC] = { [ST_LSM6DSX_ID_ACC] = {
@ -373,7 +394,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.wai = 0x6b, .wai = 0x6b,
.max_fifo_size = 512, .max_fifo_size = 512,
.id = { .id = {
[0] = ST_LSM6DSR_ID, {
.hw_id = ST_LSM6DSR_ID,
.name = ST_LSM6DSR_DEV_NAME,
},
}, },
.batch = { .batch = {
[ST_LSM6DSX_ID_ACC] = { [ST_LSM6DSX_ID_ACC] = {
@ -471,13 +495,14 @@ int st_lsm6dsx_set_page(struct st_lsm6dsx_hw *hw, bool enable)
return err; return err;
} }
static int st_lsm6dsx_check_whoami(struct st_lsm6dsx_hw *hw, int id) static int st_lsm6dsx_check_whoami(struct st_lsm6dsx_hw *hw, int id,
const char **name)
{ {
int err, i, j, data; int err, i, j, data;
for (i = 0; i < ARRAY_SIZE(st_lsm6dsx_sensor_settings); i++) { for (i = 0; i < ARRAY_SIZE(st_lsm6dsx_sensor_settings); i++) {
for (j = 0; j < ST_LSM6DSX_MAX_ID; j++) { for (j = 0; j < ST_LSM6DSX_MAX_ID; j++) {
if (id == st_lsm6dsx_sensor_settings[i].id[j]) if (id == st_lsm6dsx_sensor_settings[i].id[j].hw_id)
break; break;
} }
if (j < ST_LSM6DSX_MAX_ID) if (j < ST_LSM6DSX_MAX_ID)
@ -500,6 +525,7 @@ static int st_lsm6dsx_check_whoami(struct st_lsm6dsx_hw *hw, int id)
return -ENODEV; return -ENODEV;
} }
*name = st_lsm6dsx_sensor_settings[i].id[j].name;
hw->settings = &st_lsm6dsx_sensor_settings[i]; hw->settings = &st_lsm6dsx_sensor_settings[i];
return 0; return 0;
@ -1041,11 +1067,12 @@ static struct iio_dev *st_lsm6dsx_alloc_iiodev(struct st_lsm6dsx_hw *hw,
return iio_dev; return iio_dev;
} }
int st_lsm6dsx_probe(struct device *dev, int irq, int hw_id, const char *name, int st_lsm6dsx_probe(struct device *dev, int irq, int hw_id,
struct regmap *regmap) struct regmap *regmap)
{ {
const struct st_lsm6dsx_shub_settings *hub_settings; const struct st_lsm6dsx_shub_settings *hub_settings;
struct st_lsm6dsx_hw *hw; struct st_lsm6dsx_hw *hw;
const char *name = NULL;
int i, err; int i, err;
hw = devm_kzalloc(dev, sizeof(*hw), GFP_KERNEL); hw = devm_kzalloc(dev, sizeof(*hw), GFP_KERNEL);
@ -1066,7 +1093,7 @@ int st_lsm6dsx_probe(struct device *dev, int irq, int hw_id, const char *name,
hw->irq = irq; hw->irq = irq;
hw->regmap = regmap; hw->regmap = regmap;
err = st_lsm6dsx_check_whoami(hw, hw_id); err = st_lsm6dsx_check_whoami(hw, hw_id, &name);
if (err < 0) if (err < 0)
return err; return err;

3
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
View File

@ -36,8 +36,7 @@ static int st_lsm6dsx_i2c_probe(struct i2c_client *client,
return PTR_ERR(regmap); return PTR_ERR(regmap);
} }
return st_lsm6dsx_probe(&client->dev, client->irq, return st_lsm6dsx_probe(&client->dev, client->irq, hw_id, regmap);
hw_id, id->name, regmap);
} }
static const struct of_device_id st_lsm6dsx_i2c_of_match[] = { static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {

3
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
View File

@ -36,8 +36,7 @@ static int st_lsm6dsx_spi_probe(struct spi_device *spi)
return PTR_ERR(regmap); return PTR_ERR(regmap);
} }
return st_lsm6dsx_probe(&spi->dev, spi->irq, return st_lsm6dsx_probe(&spi->dev, spi->irq, hw_id, regmap);
hw_id, id->name, regmap);
} }
static const struct of_device_id st_lsm6dsx_spi_of_match[] = { static const struct of_device_id st_lsm6dsx_spi_of_match[] = {