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Diffstat (limited to 'include/linux/interconnect-provider.h')
-rw-r--r--include/linux/interconnect-provider.h24
1 files changed, 22 insertions, 2 deletions
diff --git a/include/linux/interconnect-provider.h b/include/linux/interconnect-provider.h
index 4735518de515..6bd01f7159c6 100644
--- a/include/linux/interconnect-provider.h
+++ b/include/linux/interconnect-provider.h
@@ -15,6 +15,17 @@ struct icc_node;
struct of_phandle_args;
/**
+ * struct icc_node_data - icc node data
+ *
+ * @node: icc node
+ * @tag: tag
+ */
+struct icc_node_data {
+ struct icc_node *node;
+ u32 tag;
+};
+
+/**
* struct icc_onecell_data - driver data for onecell interconnect providers
*
* @num_nodes: number of nodes in this device
@@ -38,7 +49,9 @@ struct icc_node *of_icc_xlate_onecell(struct of_phandle_args *spec,
* @aggregate: pointer to device specific aggregate operation function
* @pre_aggregate: pointer to device specific function that is called
* before the aggregation begins (optional)
+ * @get_bw: pointer to device specific function to get current bandwidth
* @xlate: provider-specific callback for mapping nodes from phandle arguments
+ * @xlate_extended: vendor-specific callback for mapping node data from phandle arguments
* @dev: the device this interconnect provider belongs to
* @users: count of active users
* @inter_set: whether inter-provider pairs will be configured with @set
@@ -51,7 +64,9 @@ struct icc_provider {
int (*aggregate)(struct icc_node *node, u32 tag, u32 avg_bw,
u32 peak_bw, u32 *agg_avg, u32 *agg_peak);
void (*pre_aggregate)(struct icc_node *node);
+ int (*get_bw)(struct icc_node *node, u32 *avg, u32 *peak);
struct icc_node* (*xlate)(struct of_phandle_args *spec, void *data);
+ struct icc_node_data* (*xlate_extended)(struct of_phandle_args *spec, void *data);
struct device *dev;
int users;
bool inter_set;
@@ -73,6 +88,8 @@ struct icc_provider {
* @req_list: a list of QoS constraint requests associated with this node
* @avg_bw: aggregated value of average bandwidth requests from all consumers
* @peak_bw: aggregated value of peak bandwidth requests from all consumers
+ * @init_avg: average bandwidth value that is read from the hardware during init
+ * @init_peak: peak bandwidth value that is read from the hardware during init
* @data: pointer to private data
*/
struct icc_node {
@@ -89,6 +106,8 @@ struct icc_node {
struct hlist_head req_list;
u32 avg_bw;
u32 peak_bw;
+ u32 init_avg;
+ u32 init_peak;
void *data;
};
@@ -105,7 +124,8 @@ void icc_node_del(struct icc_node *node);
int icc_nodes_remove(struct icc_provider *provider);
int icc_provider_add(struct icc_provider *provider);
int icc_provider_del(struct icc_provider *provider);
-struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec);
+struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec);
+void icc_sync_state(struct device *dev);
#else
@@ -157,7 +177,7 @@ static inline int icc_provider_del(struct icc_provider *provider)
return -ENOTSUPP;
}
-static inline struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
+static inline struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec)
{
return ERR_PTR(-ENOTSUPP);
}