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author | 2017-10-24 22:12:48 +0200 | |
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committer | 2017-10-24 22:12:48 +0200 | |
commit | 6561612a64a52d93260444066a266adb06ac71ad (patch) | |
tree | 310cc6cd3fd65e5ed6d02f7743ae2def4ac80644 /HDA-intel | |
parent | 2fd0fa8c77dbaaf40ba0812e43b6637ff1d1d76e (diff) |
Initial working version as independent repo
Diffstat (limited to 'HDA-intel')
-rw-r--r-- | HDA-intel/CMakeLists.txt | 39 | ||||
-rw-r--r-- | HDA-intel/IntelHdaHAL.c | 122 |
2 files changed, 161 insertions, 0 deletions
diff --git a/HDA-intel/CMakeLists.txt b/HDA-intel/CMakeLists.txt new file mode 100644 index 0000000..956a0f6 --- /dev/null +++ b/HDA-intel/CMakeLists.txt @@ -0,0 +1,39 @@ +########################################################################### +# Copyright 2015, 2016, 2017 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. +########################################################################### + + +# Add target to project dependency list +PROJECT_TARGET_ADD(hal-intel-hda) + + # Define project Targets + ADD_LIBRARY(${TARGET_NAME} MODULE IntelHdaHAL.c) + + # Binder exposes a unique public entry point + SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES + PREFIX "afb-" + LABELS "BINDING" + LINK_FLAGS ${BINDINGS_LINK_FLAG} + OUTPUT_NAME ${TARGET_NAME} + ) + + # Library dependencies (include updates automatically) + TARGET_LINK_LIBRARIES(${TARGET_NAME} + hal-utilities + ${link_libraries} + ) + diff --git a/HDA-intel/IntelHdaHAL.c b/HDA-intel/IntelHdaHAL.c new file mode 100644 index 0000000..076d067 --- /dev/null +++ b/HDA-intel/IntelHdaHAL.c @@ -0,0 +1,122 @@ +/* + * 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. + * + * + * 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, +}; + +STATIC halVolRampT volRampMultimedia= { + .slave = PCM_Volume_Multimedia, + .delay = 100*1000, // ramping delay in us + .stepDown= 2, + .stepUp = 1, +}; + +STATIC halVolRampT volRampNavigation= { + .slave = PCM_Volume_Navigation, + .delay = 100*1000, // ramping delay in us + .stepDown= 4, + .stepUp = 2, +}; +// Default Values for MasterVolume Ramping +STATIC halVolRampT volRampEmergency= { + .slave = PCM_Volume_Emergency, + .delay = 50*1000, // ramping delay in us + .stepDown= 6, + .stepUp = 3, +}; + +// 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="PCM Playback Volume", .value=50 } }, + { .tag=PCM_Playback_Volume , .ctl={.name="PCM Playback Volume", .value=50 } }, + { .tag=PCM_Playback_Switch , .ctl={.name="PCM Playback Switch", .value=01 } }, + { .tag=Capture_Volume , .ctl={.name="Mic Capture Volume" } }, + + // Sound card does not have hardware volume ramping + { .tag=Master_Playback_Ramp , .cb={.callback=volumeRamp, .handle=&volRampMaster}, .info="ramp volume linearly according to current ramp setting", + .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=1, .minval=0, .maxval=100, .step=1, .name="Rampup Master"} + }, + + // Implement Rampup Volume for Virtual Channels + { .tag=Navigation_Playback_Volume, .cb={.callback=volumeRamp, .handle=&volRampNavigation}, .info="RampUp Navigation Volume", + .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER,.name="Playback Navigation Ramp", .value=80 } + }, + { .tag=Emergency_Playback_Volume, .cb={.callback=volumeRamp, .handle=&volRampEmergency}, .info="Rampup Emergency Volume", + .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER,.name="Playback Emergency Ramp", .value=80 } + }, + + // Sound Card does not support hardware channel volume mixer (note softvol default range 0-256) + { .tag=Multimedia_Playback_Volume, .cb={.callback=volumeRamp, .handle=&volRampMultimedia}, .info="Ramp-up Multimedia Volume", + .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER, .name="Playback Multimedia Ramp", .value=80 } + }, + { .tag=PCM_Volume_Multimedia, .info="Playback Multimedia Softvol", + .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=2, .maxval=255, .value=200, .name="Playback Multimedia"} + }, + { .tag=PCM_Volume_Navigation, .info="Playback Navigation Softvol", + .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=2, .maxval=255,.value=200, .name="Playback Navigation"} + }, + { .tag=PCM_Volume_Emergency, .info="Playback Emergency Softvol", + .ctl={.numid=CTL_AUTO, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=2, .maxval=255, .value=200, .name="Playback Emergency"} + }, + + + { .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, +}; |