/* * Copyright (C) 2016 "IoT.bzh" * Author Fulup Ar Foll * * 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. * * * To find out which control your sound card uses * aplay -l # Check sndcard name name in between [] * amixer -D hw:xx controls # get supported controls * amixer -D "hw:3" cget numid=xx # get control settings * */ #define _GNU_SOURCE #include "hal-interface.h" // Define few private tag for not standard functions #define PCM_Volume_Multimedia 1000 #define PCM_Volume_Navigation 1001 #define PCM_Volume_Emergency 1002 // Default Values for MasterVolume Ramping STATIC halVolRampT volRampMaster= { .mode = RAMP_VOL_NORMAL, .slave = Master_Playback_Volume, .delay = 100*1000, // ramping delay in us .stepDown=1, .stepUp =1, }; //Solvol Ramping Value can be customize by Audio Role and Hardwar card STATIC halVolRampT volRampGuidance= { .slave = Guidance_Playback_Volume, .delay = 50*1000, // ramping delay in us .stepDown= 2, .stepUp = 4, }; STATIC halVolRampT volRampCommunication= { .slave = Communication_Playback_Volume, .delay = 50*1000, // ramping delay in us .stepDown= 6, .stepUp = 4, }; STATIC halVolRampT volRampEntertainment= { .slave = Entertainment_Playback_Volume, .delay = 100*1000, // ramping delay in us .stepDown= 4, .stepUp = 2, }; STATIC halVolRampT volRampNotification= { .slave = Notification_Playback_Volume, .delay = 50*1000, // ramping delay in us .stepDown= 6, .stepUp = 4, }; STATIC halVolRampT volRampWarning= { .slave = Warning_Playback_Volume, .delay = 10*1000, // ramping delay in us .stepDown= 6, .stepUp = 10, }; STATIC halVolRampT volRampSystem= { .slave = System_Playback_Volume, .delay = 20*100, // ramping delay in us .stepDown= 6, .stepUp = 10, }; STATIC halVolRampT volRampStartup= { .slave = Startup_Playback_Volume, .delay = 20*100, // ramping delay in us .stepDown= 6, .stepUp = 10, }; STATIC halVolRampT volRampShutdown= { .slave = Shutdown_Playback_Volume, .delay = 20*100, // ramping delay in us .stepDown= 6, .stepUp = 10, }; // Map HAL hight sndctl with Alsa numid and optionally with a custom callback for non Alsa supported functionalities. STATIC alsaHalMapT alsaHalMap[]= { { .tag=Master_Playback_Volume, .ctl={.name="Master Playback Volume", .value=100 } }, { .tag=PCM_Playback_Volume , .ctl={.name="PCM Playback Volume", .value=100 } }, { .tag=PCM_Playback_Switch , .ctl={.name="Master Playback Switch" } }, { .tag=Capture_Volume , .ctl={.name="Capture Volume" } }, // Sound card does not have hardware volume ramping { .tag=Master_Playback_Ramp , .cb={.callback=volumeRamp, .handle=&volRampMaster}, .info="Master Playback Volume Ramp", .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=1, .minval=0, .maxval=100, .step=1, .name="Master_Ramp"} }, // Implement Rampup Volume for Virtual Channels (0-100) { .tag=Guidance_Playback_Ramp, .cb={.callback=volumeRamp, .handle=&volRampGuidance}, .info="RampUp Guidance Volume", .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER,.name="Guidance_Ramp", .minval=0, .maxval=100, .step=1, .value=80 } }, { .tag=Entertainment_Playback_Ramp, .cb={.callback=volumeRamp, .handle=&volRampEntertainment}, .info="Rampup Entertainment Volume", .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER,.name="Entertainment_Ramp", .minval=0, .maxval=100, .step=1, .value=80 } }, { .tag=Notification_Playback_Ramp, .cb={.callback=volumeRamp, .handle=&volRampNotification}, .info="Ramp-up Notification Volume", .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER, .name="Notification_Ramp", .minval=0, .maxval=100, .step=1, .value=80 } }, { .tag=Communication_Playback_Ramp, .cb={.callback=volumeRamp, .handle=&volRampCommunication}, .info="RampUp Communication Volume", .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER,.name="Communication_Ramp", .minval=0, .maxval=100, .step=1, .value=80 } }, { .tag=Warning_Playback_Ramp, .cb={.callback=volumeRamp, .handle=&volRampWarning}, .info="Ramp-up Warning Volume", .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER, .name="Warning_Ramp", .minval=0, .maxval=100, .step=1, .value=80 } }, { .tag=System_Playback_Ramp, .cb={.callback=volumeRamp, .handle=&volRampSystem}, .info="Ramp-up System Volume", .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER, .name="System_Ramp", .minval=0, .maxval=100, .step=1, .value=80 } }, { .tag=Startup_Playback_Ramp, .cb={.callback=volumeRamp, .handle=&volRampStartup}, .info="Ramp-up Startup Volume", .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER, .name="Statup_Ramp", .minval=0, .maxval=100, .step=1, .value=80 } }, { .tag=Shutdown_Playback_Ramp, .cb={.callback=volumeRamp, .handle=&volRampShutdown}, .info="Ramp-up Shutdown Volume", .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER, .name="Shutdown_Ramp", .minval=0, .maxval=100, .step=1, .value=80 } }, // Bind with existing ones created by ALSA configuration (and linked to softvol) [0-255] { .tag=Guidance_Playback_Volume , .ctl={.name="Guidance_Volume", .minval=0, .maxval=255, .step=1, .value=204 } }, { .tag=Entertainment_Playback_Volume , .ctl={.name="Entertainment_Volume", .minval=0, .maxval=255, .step=1, .value=204 } }, { .tag=Notification_Playback_Volume , .ctl={.name="Notification_Volume", .minval=0, .maxval=255, .step=1, .value=204 } }, { .tag=Communication_Playback_Volume , .ctl={.name="Communications_Volume", .minval=0, .maxval=255, .step=1, .value=204 } }, { .tag=Warning_Playback_Volume , .ctl={.name="Warning_Volume", .minval=0, .maxval=255, .step=1, .value=204 } }, { .tag=System_Playback_Volume , .ctl={.name="System_Volume", .minval=0, .maxval=255, .step=1, .value=204 } }, { .tag=Startup_Playback_Volume , .ctl={.name="Startup_Volume", .minval=0, .maxval=255, .step=1, .value=204 } }, { .tag=Shutdown_Playback_Volume , .ctl={.name="Shutdown_Volume", .minval=0, .maxval=255, .step=1, .value=204 } }, // Could have similar controls for input side { .tag=EndHalCrlTag} /* marker for end of the array */ } ; // HAL sound card mapping info STATIC alsaHalSndCardT alsaHalSndCard = { .name = "HDA Intel PCH", // WARNING: name MUST match with 'aplay -l' .info = "Hardware Abstraction Layer for IntelHDA sound card", .ctls = alsaHalMap, }; STATIC int sndServiceInit() { int err; AFB_DEBUG("IntelHal Binding Init"); err = halServiceInit(afbBindingV2.api, &alsaHalSndCard); return err; } // API prefix should be unique for each snd card PUBLIC const struct afb_binding_v2 afbBindingV2 = { .api = "intel-hda", .init = sndServiceInit, .verbs = halServiceApi, .onevent = halServiceEvent, };