Bluetooth: Audio: Add BAP unicast server support

Add the Basic Audio Profile (BAP) unicast server
functionality. This allows a device to act as the
unicast server role, which can accept unicast streams
initiated by a unicast client.

Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>

subsys/bluetooth/audio/Kconfig.baps

@@ -0,0 +1,132 @@
+# Bluetooth Audio - Basic Audio Profile configuration options
+#
+# Copyright (c) 2020 Intel Corporation
+# Copyright (c) 2022 Nordic Semiconductor ASA
+
+# SPDX-License-Identifier: Apache-2.0
+#
+
+config BT_AUDIO_UNICAST
+	bool
+	depends on BT_CONN
+	select BT_SMP
+	select BT_L2CAP_DYNAMIC_CHANNEL
+	select BT_ISO_UNICAST
+	select BT_L2CAP_ECRED
+	select BT_EATT
+
+config BT_AUDIO_UNICAST_SERVER
+	bool "Bluetooth Unicast Audio Server Support [EXPERIMENTAL]"
+	select EXPERIMENTAL
+	select BT_PERIPHERAL
+	select BT_AUDIO_UNICAST
+	select BT_GATT_DYNAMIC_DB
+	select BT_GATT_CACHING
+	select BT_PACS
+	select BT_ASCS
+	help
+	  This option enables support for Bluetooth Unicast Audio Server
+	  using Isochronous channels.
+
+if BT_AUDIO_UNICAST
+
+config BT_CODEC_MAX_DATA_COUNT
+	int "Codec Capabilities Data Count"
+	default 5
+	range 1 128
+	help
+	  This option defines the maximum number of LTV entries a codec can
+	  store.
+
+config BT_CODEC_MAX_DATA_LEN
+	int "Codec Capabilities Data Length"
+	default 4
+	range 1 128
+	help
+	  This option defines the maximum value length of an LTV entry a codec
+	  can store.
+
+config BT_CODEC_MAX_METADATA_COUNT
+	int "Codec Metadata Count"
+	default 2
+	range 1 128
+	help
+	  This option defines the maximum number of LTV entries a metadata can
+	  store.
+
+config BT_CODEC_MAX_METADATA_LEN
+	int "Codec Metadata Length"
+	default 4
+	range 1 128
+	help
+	  This option defines the maximum value length of an LTV entry a
+	  metadata can store.
+
+endif # BT_AUDIO_UNICAST
+
+config BT_AUDIO_BROADCAST
+	bool "Bluetooth Broadcast Audio Support"
+	select BT_ISO_BROADCASTER
+	select BT_ISO_SYNC_RECEIVER
+	help
+	  This option enables support for Bluetooth Broadcast Audio using
+	  Isochronous channels.
+
+config BT_AUDIO_DEBUG
+	bool "Enable debug logs"
+	depends on BT_DEBUG
+	help
+	  Use this option to enable debug logs for the Bluetooth
+	  Audio functionality.
+
+if BT_AUDIO_DEBUG
+
+config BT_DEBUG_PACS
+	bool "Published Audio Capabilities Service debug"
+	depends on BT_PACS
+	help
+	  Use this option to enable Published Audio Capabilities Service debug
+	  logs for the Bluetooth Audio functionality.
+
+config BT_AUDIO_DEBUG_STREAM
+	bool "Bluetooth Audio Stream debug"
+	depends on BT_AUDIO_STREAM
+	help
+	  Use this option to enable Bluetooth Audio Stream debug logs for the
+	  Bluetooth Audio functionality.
+
+config BT_AUDIO_DEBUG_CAPABILITIES
+	bool "Bluetooth Audio Capabilities debug"
+	depends on BT_AUDIO_CAPABILITIES
+	help
+	  Use this option to enable Bluetooth Audio Capabilities debug logs for
+	  the Bluetooth Audio functionality.
+
+config BT_DEBUG_ASCS
+	bool "Audio Stream Control Service debug"
+	depends on BT_ASCS
+	help
+	  Use this option to enable Audio Stream Control Service debug logs for
+	  the Bluetooth Audio functionality.
+
+config BT_AUDIO_DEBUG_UNICAST_SERVER
+	bool "Bluetooth Audio Unicast Server debug"
+	depends on BT_AUDIO_UNICAST_SERVER
+	help
+	  Use this option to enable Bluetooth Audio Unicast Server debug logs
+	  for the Bluetooth Audio functionality.
+
+endif # BT_AUDIO_DEBUG
+
+config BT_AUDIO_STREAM
+	# Virtual/hidden option
+	bool
+	default y if BT_ASCS
+
+config BT_AUDIO_CAPABILITIES
+	# Virtual/hidden option
+	bool
+	default y if BT_ASCS
+
+rsource "Kconfig.pacs"
+rsource "Kconfig.ascs"