ipc: initial host notification support

Provides ipc_send_comp_notification function for sending custom notifications to the host. Signed-off-by: Slawomir Blauciak <[email protected]>
thesofproject · Apr 18, 2019 · 0bcc7a5 · 0bcc7a5
1 parent 06c030d
commit 0bcc7a5
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diff --git a/src/include/sof/ipc.h b/src/include/sof/ipc.h
@@ -144,6 +144,8 @@ void ipc_schedule_process(struct ipc *ipc);
 
 int ipc_stream_send_position(struct comp_dev *cdev,
 		struct sof_ipc_stream_posn *posn);
+int ipc_send_comp_notification(struct comp_dev *cdev,
+			       struct sof_ipc_comp_event *event);
 int ipc_stream_send_xrun(struct comp_dev *cdev,
 	struct sof_ipc_stream_posn *posn);
 

diff --git a/src/ipc/handler.c b/src/ipc/handler.c
@@ -437,6 +437,20 @@ int ipc_stream_send_position(struct comp_dev *cdev,
 				      sizeof(*posn), 0);
 }
 
+/* send component notification */
+int ipc_send_comp_notification(struct comp_dev *cdev,
+			       struct sof_ipc_comp_event *event)
+{
+	event->rhdr.hdr.cmd = SOF_IPC_GLB_COMP_MSG |
+		SOF_IPC_COMP_NOTIFICATION | cdev->comp.id;
+	event->rhdr.hdr.size = sizeof(*event);
+	event->src_comp_type = cdev->comp.type;
+	event->src_comp_id = cdev->comp.id;
+
+	return ipc_queue_host_message(_ipc, event->rhdr.hdr.cmd, event,
+				      sizeof(*event), 0);
+}
+
 /* send stream position TODO: send compound message  */
 int ipc_stream_send_xrun(struct comp_dev *cdev,
 	struct sof_ipc_stream_posn *posn)