diff options
| -rw-r--r-- | drivers/sysinfo/sysinfo-uclass.c | 20 | ||||
| -rw-r--r-- | include/sysinfo.h | 30 |
2 files changed, 50 insertions, 0 deletions
diff --git a/drivers/sysinfo/sysinfo-uclass.c b/drivers/sysinfo/sysinfo-uclass.c index d77d1e3ee44..3c0cd51273e 100644 --- a/drivers/sysinfo/sysinfo-uclass.c +++ b/drivers/sysinfo/sysinfo-uclass.c @@ -99,6 +99,26 @@ int sysinfo_get_str(struct udevice *dev, int id, size_t size, char *val) return ops->get_str(dev, id, size, val); } +int sysinfo_get_data(struct udevice *dev, int id, void **data, size_t *size) +{ + struct sysinfo_priv *priv; + struct sysinfo_ops *ops; + + if (!dev) + return -ENOSYS; + + priv = dev_get_uclass_priv(dev); + ops = sysinfo_get_ops(dev); + + if (!priv->detected) + return -EPERM; + + if (!ops->get_data) + return -ENOSYS; + + return ops->get_data(dev, id, data, size); +} + UCLASS_DRIVER(sysinfo) = { .id = UCLASS_SYSINFO, .name = "sysinfo", diff --git a/include/sysinfo.h b/include/sysinfo.h index 027a463dc33..cb6cf326535 100644 --- a/include/sysinfo.h +++ b/include/sysinfo.h @@ -116,6 +116,18 @@ struct sysinfo_ops { int (*get_str)(struct udevice *dev, int id, size_t size, char *val); /** + * get_data() - Read a specific string data value that describes the + * hardware setup. + * @dev: The sysinfo instance to gather the data. + * @id: A unique identifier for the data area to be get. + * @data: Pointer to the address of the data area. + * @size: Pointer to the size of the data area. + * + * Return: 0 if OK, -ve on error. + */ + int (*get_data)(struct udevice *dev, int id, void **data, size_t *size); + + /** * get_fit_loadable - Get the name of an image to load from FIT * This function can be used to provide the image names based on runtime * detection. A classic use-case would when DTBOs are used to describe @@ -187,6 +199,18 @@ int sysinfo_get_int(struct udevice *dev, int id, int *val); int sysinfo_get_str(struct udevice *dev, int id, size_t size, char *val); /** + * sysinfo_get_data() - Get a data area from the platform. + * @dev: The sysinfo instance to gather the data. + * @id: A unique identifier for the data area to be get. + * @data: Pointer to the address of the data area. + * @size: Pointer to the size of the data area. + * + * Return: 0 if OK, -EPERM if called before sysinfo_detect(), else -ve on + * error. + */ +int sysinfo_get_data(struct udevice *dev, int id, void **data, size_t *size); + +/** * sysinfo_get() - Return the sysinfo device for the sysinfo in question. * @devp: Pointer to structure to receive the sysinfo device. * @@ -241,6 +265,12 @@ static inline int sysinfo_get_str(struct udevice *dev, int id, size_t size, return -ENOSYS; } +static inline int sysinfo_get_data(struct udevice *dev, int id, void **data, + size_t *size) +{ + return -ENOSYS; +} + static inline int sysinfo_get(struct udevice **devp) { return -ENOSYS; |