diff options
Diffstat (limited to 'Alsa-afb/Alsa-ApiHat.h')
-rw-r--r-- | Alsa-afb/Alsa-ApiHat.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/Alsa-afb/Alsa-ApiHat.h b/Alsa-afb/Alsa-ApiHat.h new file mode 100644 index 0000000..b05cfbe --- /dev/null +++ b/Alsa-afb/Alsa-ApiHat.h @@ -0,0 +1,74 @@ +/* + * AlsaLibMapping -- provide low level interface with ALSA lib (extracted from alsa-json-gateway code) + * Copyright (C) 2015,2016,2017, 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. + */ + + +#ifndef ALSALIBMAPPING_H +#define ALSALIBMAPPING_H + + +#include <alsa/asoundlib.h> +#include <systemd/sd-event.h> +#include "audio-common.h" + +typedef enum { + ACTION_SET, + ACTION_GET +} ActionSetGetT; + +// generic structure to pass parsed query values +typedef struct { + const char *devid; + json_object *numidsJ; + halQueryMode mode; + int count; +} queryValuesT; + +// use to store crl numid user request +typedef struct { + unsigned int numId; + json_object *jToken; + json_object *valuesJ; + int used; +} ctlRequestT; + +// import from AlsaAfbBinding +extern const struct afb_binding_interface *afbIface; +PUBLIC json_object *alsaCheckQuery (struct afb_req request, queryValuesT *queryValues); + +// AlseCoreSetGet exports +PUBLIC int alsaGetSingleCtl (snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRequestT *ctlRequest, halQueryMode queryMode); +PUBLIC void alsaGetInfo (struct afb_req request); +PUBLIC void alsaGetCtls(struct afb_req request); +PUBLIC void alsaSetCtls(struct afb_req request); + + +// AlsaUseCase exports +PUBLIC void alsaUseCaseQuery(struct afb_req request); +PUBLIC void alsaUseCaseSet(struct afb_req request); +PUBLIC void alsaUseCaseGet(struct afb_req request); +PUBLIC void alsaUseCaseClose(struct afb_req request); +PUBLIC void alsaUseCaseReset(struct afb_req request); +PUBLIC void alsaAddCustomCtls(struct afb_req request); + +// AlsaRegEvt +PUBLIC void alsaEvtSubcribe (struct afb_req request); +PUBLIC void alsaGetCardId (struct afb_req request); +PUBLIC void alsaRegisterHal (struct afb_req request); +PUBLIC void alsaActiveHal (struct afb_req request); + +#endif /* ALSALIBMAPPING_H */ + |