Turn '4a-hal-utilities' into an internal library

That way, includes will be cleaner and '4a-hal-utilities'
functions will be usable in plugin.

Change-Id: I8a2146bd4e5dd5ef449b9ba7f2b1eed4d59045d3
Signed-off-by: Jonathan Aillet <jonathan.aillet@iot.bzh>

1 files changed, 72 insertions, 0 deletions

diff --git a/4a-hal-utilities/4a-hal-utilities-alsa-data.h b/4a-hal-utilities/4a-hal-utilities-alsa-data.h
new file mode 100644
index 0000000..5a998ae
--- /dev/null
+++ b/4a-hal-utilities/4a-hal-utilities-alsa-data.h
@@ -0,0 +1,72 @@
+/*
+* Copyright (C) 2019 "IoT.bzh"
+* Author Jonathan Aillet <jonathan.aillet@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.
+*/
+
+#ifndef _HAL_UTILITIES_ALSA_DATA_INCLUDE_
+#define _HAL_UTILITIES_ALSA_DATA_INCLUDE_
+
+#include <stdio.h>
+
+#include <json-c/json.h>
+
+#include <alsa/asoundlib.h>
+
+#include <ctl-config.h>
+
+struct CtlHalAlsaDBScale {
+	int min;
+	int max;
+	int step;
+	int mute;
+};
+
+struct CtlHalAlsaCtlProperties {
+	snd_ctl_elem_type_t type;
+	int count;
+	int minval;
+	int maxval;
+	int step;
+	// TBD JAI : use them
+	const char **enums;
+	struct CtlHalAlsaDBScale *dbscale;
+};
+
+struct CtlHalAlsaCtl {
+	char *name;
+	int numid;
+	int value;
+	struct CtlHalAlsaCtlProperties alsaCtlProperties;
+	struct CtlHalAlsaCtlProperties *alsaCtlCreation;
+};
+
+struct CtlHalAlsaMap {
+	const char *uid;
+	char *info;
+	AFB_EventT alsaControlEvent;
+	struct CtlHalAlsaCtl ctl;
+	json_object *actionJ;
+	CtlActionT *action;
+};
+
+struct CtlHalAlsaMapT {
+	struct CtlHalAlsaMap *ctls;
+	unsigned int ctlsCount;
+};
+
+// Free contents of 'CtlHalAlsaMapT' data structure
+uint8_t HalUtlFreeAlsaCtlsMap(struct CtlHalAlsaMapT *alsaCtlsMap);
+
+#endif /* _HAL_UTILITIES_ALSA_DATA_INCLUDE_ */
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