platform/surface: aggregator_cdev: Allow enabling of events from user-space

[linux-2.6-microblaze.git] / include / uapi / linux / surface_aggregator / cdev.h

diff --git a/include/uapi/linux/surface_aggregator/cdev.h b/include/uapi/linux/surface_aggregator/cdev.h
index 4f393fa..08f46b6 100644 (file)
--- a/include/uapi/linux/surface_aggregator/cdev.h
+++ b/include/uapi/linux/surface_aggregator/cdev.h
@@ -90,6 +90,36 @@ struct ssam_cdev_notifier_desc {
        __u8 target_category;
 } __attribute__((__packed__));
 
+/**
+ * struct ssam_cdev_event_desc - Event descriptor.
+ * @reg:                 Registry via which the event will be enabled/disabled.
+ * @reg.target_category: Target category for the event registry requests.
+ * @reg.target_id:       Target ID for the event registry requests.
+ * @reg.cid_enable:      Command ID for the event-enable request.
+ * @reg.cid_disable:     Command ID for the event-disable request.
+ * @id:                  ID specifying the event.
+ * @id.target_category:  Target category of the event source.
+ * @id.instance:         Instance ID of the event source.
+ * @flags:               Flags used for enabling the event.
+ *
+ * Specifies which event should be enabled/disabled and how to do that.
+ */
+struct ssam_cdev_event_desc {
+       struct {
+               __u8 target_category;
+               __u8 target_id;
+               __u8 cid_enable;
+               __u8 cid_disable;
+       } reg;
+
+       struct {
+               __u8 target_category;
+               __u8 instance;
+       } id;
+
+       __u8 flags;
+} __attribute__((__packed__));
+
 /**
  * struct ssam_cdev_event - SSAM event sent by the EC.
  * @target_category: Target category of the event source. See &enum ssam_ssh_tc.
@@ -111,5 +141,7 @@ struct ssam_cdev_event {
 #define SSAM_CDEV_REQUEST              _IOWR(0xA5, 1, struct ssam_cdev_request)
 #define SSAM_CDEV_NOTIF_REGISTER       _IOW(0xA5, 2, struct ssam_cdev_notifier_desc)
 #define SSAM_CDEV_NOTIF_UNREGISTER     _IOW(0xA5, 3, struct ssam_cdev_notifier_desc)
+#define SSAM_CDEV_EVENT_ENABLE         _IOW(0xA5, 4, struct ssam_cdev_event_desc)
+#define SSAM_CDEV_EVENT_DISABLE                _IOW(0xA5, 5, struct ssam_cdev_event_desc)
 
 #endif /* _UAPI_LINUX_SURFACE_AGGREGATOR_CDEV_H */