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/*
* Copyright (C) 2018 "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_CTLS_ALSACORE_LINK_INCLUDE_
#define _HAL_CTLS_ALSACORE_LINK_INCLUDE_
#include <stdio.h>
#include <wrap-json.h>
#include <alsa/asoundlib.h>
#include <ctl-config.h>
#define ALSACORE_API "alsacore"
#define ALSACORE_SUBSCRIBE_VERB "subscribe"
#define ALSACORE_GETINFO_VERB "infoget"
#define ALSACORE_CTLGET_VERB "ctlget"
#define ALSACORE_CTLSET_VERB "ctlset"
#define ALSACORE_ADDCTL_VERB "addcustomctl"
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;
struct CtlHalAlsaCtl ctl;
json_object *actionJ;
CtlActionT *action;
};
struct CtlHalAlsaMapT {
struct CtlHalAlsaMap *ctls;
unsigned int ctlsCount;
};
// Alsa control types map from string function
snd_ctl_elem_type_t HalCtlsMapsAlsaTypeToEnum(const char *label);
// Free contents of 'CtlHalAlsaMapT' data structure
uint8_t HalCtlsFreeAlsaCtlsMap(struct CtlHalAlsaMapT *alsaCtlsMap);
// HAL controllers alsacore calls funtions
int HalCtlsGetCardIdByCardPath(AFB_ApiT apiHandle, char *devPath);
int HalCtlsSubscribeToAlsaCardEvent(AFB_ApiT apiHandle, char *cardId);
int HalCtlsGetAlsaCtlInfo(AFB_ApiT apiHandle, char *cardId, struct CtlHalAlsaCtl *currentAlsaCtl);
int HalCtlsSetAlsaCtlValue(AFB_ApiT apiHandle, char *cardId, int ctlId, json_object *valuesJ);
int HalCtlsCreateAlsaCtl(AFB_ApiT apiHandle, char *cardId, struct CtlHalAlsaCtl *alsaCtlToCreate);
// HAL controllers alsacore controls request callback
void HalCtlsActionOnAlsaCtl(AFB_ReqT request);
#endif /* _HAL_CTLS_ALSACORE_LINK_INCLUDE_ */
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