diff options
Diffstat (limited to 'AlsaSound/HardAbsLayer/IntelHda/IntelHdaLib.c')
| -rw-r--r-- | AlsaSound/HardAbsLayer/IntelHda/IntelHdaLib.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/AlsaSound/HardAbsLayer/IntelHda/IntelHdaLib.c b/AlsaSound/HardAbsLayer/IntelHda/IntelHdaLib.c deleted file mode 100644 index ad4fcf4..0000000 --- a/AlsaSound/HardAbsLayer/IntelHda/IntelHdaLib.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * 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. - * - * reference: - * amixer contents; amixer controls; - * http://www.tldp.org/HOWTO/Alsa-sound-6.html - */ -#define _GNU_SOURCE // needed for vasprintf -#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" -#include "AlsaMixerHal.h" - -static struct afb_service srvitf; - -// Normalise Intel-HDA numid -static AlsaHalMapT alsaCtlsMap[]= { // check with amixer -D hw:xx controls; amixer -D "hw:3" cget numid=xx - /* ACTION(enum) NUMID(int) IFACE(enum) VALUES(int) MinVal(int) MaxVal(int) Step(int) ACL=READ|WRITE|RW INFO=comment */ - { .action=Master_Playback_Volume, .numid=16, .group=OUTVOL, .values=1, .minval=0, .maxval= 87 , .step=0, .acl=RW, .info= "Master Playback Volume" }, - { .action=PCM_Playback_Volume , .numid=27, .group=PCMVOL, .values=2, .minval=0, .maxval= 255, .step=0, .acl=RW, .info= "PCM Playback Volume" }, - { .action=PCM_Playback_Switch , .numid=17, .group=SWITCH, .values=1, .minval=0, .maxval= 1 , .step=0, .acl=RW, .info= "Master Playback Switch" }, - { .action=Capture_Volume , .numid=12, .group=INVOL , .values=2, .minval=0, .maxval= 31 , .step=0, .acl=RW, .info= "Capture Volume" }, - { .numid=0 } /* marker for end of the array */ -} ; - -// Warning: Longname is used to locate board on the system -static AlsaHalSndT alsaSndCard = { - .longname= "HDA Intel PCH", - .info = "Hardware Abstraction Layer for IntelHDA sound card", - .ctls = alsaCtlsMap, -}; - - -// This callback is fired when afb_service_call for api/alsacore/subctl returns -STATIC void alsaSubcribeCB (void *handle, int iserror, struct json_object *result) { - struct afb_req request = afb_req_unstore(handle); - struct json_object *x, *resp = NULL; - const char *info = NULL; - - if (result) { - INFO (afbIface, "result=[%s]\n", json_object_to_json_string (result)); - if (json_object_object_get_ex(result, "request", &x) && json_object_object_get_ex(x, "info", &x)) - info = json_object_get_string(x); - if (!json_object_object_get_ex(result, "response", &resp)) resp = NULL; - } - - // push message respond - if (iserror) afb_req_fail_f(request, "Fail", info); - else afb_req_success(request, resp, info); - - // free calling request - afb_req_unref(request); -} - -// Create and subscribe to alsacore ctl events -PUBLIC void intelHdaMonitor(struct afb_req request) { - - // save request in session as it might be used after return by callback - struct afb_req *handle = afb_req_store(request); - - // push request to low level binding - if (!handle) afb_req_fail(request, "error", "out of memory"); - else afb_service_call(srvitf, "alsacore", "subctl", json_object_get(afb_req_json(request)), alsaSubcribeCB, handle); - - // success/failure messages return from callback -} - -// Subscribe to AudioBinding events -PUBLIC void intelHdaSubscribe (struct afb_req request) { - const char *devid = afb_req_value(request, "devid"); - if (devid == NULL) { - afb_req_fail_f (request, "devid-missing", "devid=hw:xxx missing"); - } - -} - - -// Call when all bindings are loaded and ready to accept request -PUBLIC void intelHdaGetVol(struct afb_req request) { - - // Should call here Hardware Alsa Abstraction Layer for corresponding Sound Card - afb_req_success (request, NULL, NULL); - return; - -} - -PUBLIC void intelHdaSetVol(struct afb_req request) { - const char *arg; - char *pcm; - - arg = afb_req_value(request, "vol"); - if (arg == NULL) { - afb_req_fail_f (request, "argument-missing", "vol=[0,100] missing"); - goto ExitOnError; - } - - arg = afb_req_value(request, "pcm"); - if (arg == NULL) pcm="Master"; - - // Should call here Hardware Alsa Abstraction Layer for corresponding Sound Card - afb_req_success (request, NULL, NULL); - return; - - ExitOnError: - return; - -} - - -// this function is call after all binder are loaded and initialised -PUBLIC int intelHdaInit (struct afb_service service, const char *cardname) { - srvitf = service; - - // API prefix is used as sndcard halname - alsaSndCard.halname= cardname; - return 0; -}
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