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FILESEXTRAPATHS_prepend := "${THISDIR}/files:"

SRC_URI_append = " \
        file://0002-src-most-add-auto-conf-feature.patch \
        file://0003-core-remove-kernel-log-for-MBO-status.patch \
        file://0004-most-video-set-device_caps.patch \
        file://0005-most-video-set-V4L2_CAP_DEVICE_CAPS-flag.patch \
        file://0006-dim2-fix-startup-sequence.patch \
        file://0007-dim2-use-device-tree.patch \
        file://0008-dim2-read-clock-speed-from-the-device-tree.patch \
        file://0009-dim2-use-device-for-coherent-memory-allocation.patch \
        file://0010-backport-usb-setup-timer.patch \
        file://0011-handle-snd_pcm_lib_mmap_vmalloc-removal.patch \
        file://0012-Fix-build-with-5.4-kernel.patch \
        file://0013-Fix-build-with-5.7-kernel.patch \
"
ing.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
/*
 * 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"
#include "audio-common.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,
};