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-rw-r--r--AlsaSound/HardAbsLayer/IntelHda/IntelHdaBinding.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/AlsaSound/HardAbsLayer/IntelHda/IntelHdaBinding.c b/AlsaSound/HardAbsLayer/IntelHda/IntelHdaBinding.c
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+++ b/AlsaSound/HardAbsLayer/IntelHda/IntelHdaBinding.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author Fulup Ar Foll <fulup@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <netdb.h>
+#include <fcntl.h>
+#include <math.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+#include "IntelHdaLib.h"
+
+PUBLIC const struct afb_binding_interface *afbIface;
+
+STATIC void localping(struct afb_req request) {
+ json_object *query = afb_req_json(request);
+ afb_req_success(request, query, NULL);
+}
+
+/*
+ * array of the verbs exported to afb-daemon
+ */
+STATIC const struct afb_verb_desc_v1 binding_verbs[] = {
+ /* VERB'S NAME SESSION MANAGEMENT FUNCTION TO CALL SHORT DESCRIPTION */
+ { .name= "ping" , .session= AFB_SESSION_NONE, .callback= localping, .info= "Ping Binding" },
+ { .name= "setvolume", .session= AFB_SESSION_NONE, .callback= intelHdaSetVol, .info= "Set Volume" },
+ { .name= "getvolume", .session= AFB_SESSION_NONE, .callback= intelHdaGetVol, .info= "Get Volume" },
+ { .name= "subscribe", .session= AFB_SESSION_NONE, .callback= intelHdaSubscribe, .info= "Subscribe AudioBinding Events" },
+ { .name= NULL } /* marker for end of the array */
+};
+
+/*
+ * description of the binding for afb-daemon
+ */
+STATIC const struct afb_binding binding_description = {
+ /* description conforms to VERSION 1 */
+ .type= AFB_BINDING_VERSION_1,
+ .v1= {
+ .prefix= "intel-hda",
+ .info= "Hardware Abstraction Layer for IntelHDA sound card",
+ .verbs = binding_verbs
+ }
+};
+
+// This receive all event this binding subscribe to
+PUBLIC void afbBindingV1ServiceEvent(const char *evtname, struct json_object *object) {
+
+ NOTICE (afbIface, "afbBindingV1ServiceEvent evtname=%s [msg=%s]", evtname, json_object_to_json_string(object));
+}
+
+// this is call when after all bindings are loaded
+PUBLIC int afbBindingV1ServiceInit(struct afb_service service) {
+
+ return (intelHdaInit(service, binding_description.v1.prefix));
+};
+
+/*
+ * activation function for registering the binding called by afb-daemon
+ */
+PUBLIC const struct afb_binding *afbBindingV1Register(const struct afb_binding_interface *itf) {
+ afbIface= itf;
+ return &binding_description; /* returns the description of the binding */
+}
+