1# Bluetooth Audio - Basic Audio Profile configuration options 2# 3# Copyright (c) 2020 Intel Corporation 4# Copyright (c) 2022-2023 Nordic Semiconductor ASA 5 6# SPDX-License-Identifier: Apache-2.0 7# 8 9config BT_BAP_UNICAST 10 bool 11 depends on BT_CONN 12 select BT_SMP 13 select BT_ISO_UNICAST 14 15config BT_BAP_UNICAST_SERVER 16 bool "Bluetooth Unicast Audio Server Support" 17 select BT_BAP_UNICAST 18 select BT_GATT_DYNAMIC_DB 19 select BT_GATT_CACHING 20 depends on BT_PERIPHERAL 21 depends on BT_ISO_PERIPHERAL 22 depends on BT_ASCS 23 depends on BT_PACS 24 help 25 This option enables support for Bluetooth Unicast Audio Server 26 using Isochronous channels. 27 28config BT_BAP_UNICAST_CLIENT 29 bool "Bluetooth Unicast Audio Client Support" 30 select BT_BAP_UNICAST 31 select BT_ISO_CENTRAL 32 select BT_CENTRAL 33 select BT_GATT_CLIENT 34 select BT_GATT_AUTO_DISCOVER_CCC 35 select BT_GATT_AUTO_UPDATE_MTU 36 help 37 This option enables support for Bluetooth Unicast Audio Client 38 using Isochronous channels. 39 40config BT_AUDIO_CODEC_CFG_MAX_DATA_SIZE 41 int "Codec Specific Configuration Data Size" 42 default 19 43 range 0 $(UINT8_MAX) 44 help 45 Number of octets to support for Codec Specific Configuration data. 46 The default value 19 matches the required fields for the LC3 codec. 47 48config BT_AUDIO_CODEC_CFG_MAX_METADATA_SIZE 49 int "Codec Specific Configuration Metadata Size" 50 default 4 51 range 0 $(UINT8_MAX) 52 help 53 Number of octets to support for Codec Specific Configuration metadata. 54 55config BT_BAP_BASS_MAX_SUBGROUPS 56 int "Maximum number of subgroups supported for the BASS receive states" 57 default 1 58 range 1 24 59 help 60 This option sets the maximum number of subgroups supported. 61 Due to limitations in advertising data, the maximum size of all subgroups are 249. 62 The minimum size of a subgroup is 10 octets. 63 So effectively there can be a maximum of 24 subgroups in a BASE. 64 65config BT_AUDIO_CODEC_CAP_MAX_DATA_SIZE 66 int "Codec Capabilities Data Size" 67 default 19 68 range 0 $(UINT8_MAX) 69 help 70 Number of octets to support for Codec Specific Capabilities data. 71 The default value 19 matches the required fields for the LC3 codec. 72 73config BT_AUDIO_CODEC_CAP_MAX_METADATA_SIZE 74 int "Codec Capabilities Metadata Size" 75 default 4 76 range 0 $(UINT8_MAX) 77 help 78 Number of octets to support for Codec Specific Capabilities metadata. 79 80if BT_BAP_UNICAST_CLIENT 81config BT_BAP_UNICAST_CLIENT_GROUP_COUNT 82 int "Basic Audio Unicast Group count" 83 depends on BT_BAP_UNICAST 84 default BT_ISO_MAX_CIG 85 range 1 BT_ISO_MAX_CIG 86 help 87 This option sets the number of connected audio groups to support as 88 the unicast client. 89 90config BT_BAP_UNICAST_CLIENT_GROUP_STREAM_COUNT 91 int "Basic Audio Profile Unicast Group Connected Isochronous Stream (CIS) count" 92 depends on BT_BAP_UNICAST_CLIENT_GROUP_COUNT > 0 93 default 1 94 range 1 BT_ISO_MAX_CHAN if BT_ISO_MAX_CHAN < 31 95 range 1 31 96 help 97 This option sets the maximum number of CIS per unicast group to support. 98 Since BAP streams are unidirectional, two BAP streams may use a single CIS, the number of 99 BAP audio streams per group may be up to twice of this value. 100 101config BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT 102 int "Basic Audio Profile ASE Sink count" 103 default 2 104 range 0 $(UINT8_MAX) 105 help 106 This option enables caching a number of Audio Stream Endpoint Sink 107 instances for Basic Audio Profile on a per connection basis. 108 109config BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT 110 int "Basic Audio Profile ASE Source count" 111 default 2 112 range 0 $(UINT8_MAX) 113 help 114 This option enables caching a number of Audio Stream Endpoint Source 115 instances for Basic Audio Profile on a per connection basis. 116 117config BT_BAP_UNICAST_CLIENT_ASE_SNK 118 def_bool BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0 119 select BT_AUDIO_TX 120 121config BT_BAP_UNICAST_CLIENT_ASE_SRC 122 def_bool BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0 123 select BT_AUDIO_RX 124 125endif # BT_BAP_UNICAST_CLIENT 126 127config BT_BAP_BROADCAST_SOURCE 128 bool "Bluetooth Broadcast Source Audio Support" 129 select BT_ISO_BROADCASTER 130 select BT_AUDIO_TX 131 help 132 This option enables support for Bluetooth Broadcast Source Audio using 133 Isochronous channels. 134if BT_BAP_BROADCAST_SOURCE 135 136config BT_BAP_BROADCAST_SRC_SUBGROUP_COUNT 137 int "Basic Audio Broadcast Source subgroup count" 138 default 1 139 range 1 BT_ISO_MAX_CHAN if BT_ISO_MAX_CHAN < 31 140 range 1 31 141 help 142 This option sets the maximum number of subgroups per broadcast source 143 to support. 144 145config BT_BAP_BROADCAST_SRC_COUNT 146 int "Basic Audio Broadcaster source count" 147 default 1 148 range 1 BT_ISO_MAX_BIG 149 help 150 This option sets the number of broadcast sources to support. 151 One broadcast source can send multiple streams 152 (up to BT_BAP_BROADCAST_SRC_STREAM_COUNT per broadcast source). 153 154 155config BT_BAP_BROADCAST_SRC_STREAM_COUNT 156 int "Basic Audio Broadcast Source Stream count" 157 default 1 158 range 1 BT_ISO_MAX_CHAN if BT_ISO_MAX_CHAN < 31 159 range 1 31 160 help 161 This option sets the maximum number of streams per broadcast source 162 to support. 163 164endif # BT_BAP_BROADCAST_SOURCE 165 166config BT_BAP_BROADCAST_SINK 167 bool "Bluetooth Broadcast Sink Audio Support" 168 select BT_ISO_SYNC_RECEIVER 169 select BT_AUDIO_RX 170 select BT_PAC_SNK 171 depends on BT_PERIPHERAL 172 depends on BT_BAP_SCAN_DELEGATOR 173 help 174 This option enables support for Bluetooth Broadcast Sink Audio using 175 Isochronous channels. 176 177if BT_BAP_BROADCAST_SINK 178 179config BT_BAP_BROADCAST_SNK_SUBGROUP_COUNT 180 int "Basic Audio Profile Broadcast Sink subgroup count" 181 default 1 182 range 1 BT_ISO_MAX_CHAN if BT_ISO_MAX_CHAN < 31 183 range 1 31 184 help 185 This option sets the maximum number of subgroups per broadcast sink 186 to support. 187 188config BT_BAP_BROADCAST_SNK_COUNT 189 int "Basic Audio Broadcaster Sink count" 190 default 1 191 range 0 BT_ISO_MAX_BIG 192 help 193 This option sets the number of broadcast sinks to support. 194 One broadcast sink can receive multiple streams 195 (up to BT_BAP_BROADCAST_SNK_STREAM_COUNT per broadcast sink). 196 197config BT_BAP_BROADCAST_SNK_STREAM_COUNT 198 int "Basic Audio Broadcast Sink Stream count" 199 depends on BT_BAP_BROADCAST_SNK_COUNT > 0 200 default 1 201 range 1 BT_ISO_MAX_CHAN if BT_ISO_MAX_CHAN < 31 202 range 1 31 203 help 204 This option sets the maximum number of streams per broadcast sink 205 to support. 206 207endif # BT_BAP_BROADCAST_SINK 208 209config BT_BAP_SCAN_DELEGATOR 210 bool "Basic Audio Profile Scan Delegator role support" 211 select BT_OBSERVER 212 select BT_EXT_ADV 213 select BT_PER_ADV_SYNC 214 select BT_ISO_SYNC_RECEIVER 215 help 216 This option enables support for the Scan Delegator role and the 217 Broadcast Audio Scan Service (BASS). 218 219if BT_BAP_SCAN_DELEGATOR 220 221config BT_BAP_SCAN_DELEGATOR_RECV_STATE_COUNT 222 int "Scan Delegator Receive State Count" 223 default 1 224 range 1 3 225 help 226 Sets the number of receive state characteristics present on the 227 server. Each characteristic may hold information to sync to a 228 periodic advertise or a broadcast isochronous stream. 229 230config BT_BAP_SCAN_DELEGATOR_BUF_TIMEOUT 231 int "Milliseconds of timeout when handle concurrent access to the long read ASE buffer" 232 range 0 1000 233 default 50 234 help 235 The maximum number of milliseconds that the scan delegator implementation will wait 236 before rejecting a read or dropping a notification if the scan delegator state is 237 being accessed by another thread. 238 239endif # BT_BAP_SCAN_DELEGATOR 240 241config BT_BAP_BROADCAST_ASSISTANT 242 bool "Basic Audio Profile Broadcast Assistant role support" 243 select BT_OBSERVER 244 select BT_EXT_ADV 245 select BT_PER_ADV_SYNC 246 select BT_ISO_SYNC_RECEIVER 247 select BT_GATT_CLIENT 248 select BT_GATT_AUTO_DISCOVER_CCC 249 select BT_GATT_AUTO_UPDATE_MTU 250 help 251 This option enables support for the Broadcast Assistant role. 252 253if BT_BAP_BROADCAST_ASSISTANT 254 255config BT_BAP_BROADCAST_ASSISTANT_RECV_STATE_COUNT 256 int "Broadcast Assistant Max Receive State Count" 257 default 1 258 range 1 $(UINT8_MAX) 259 help 260 Sets the number of maximum receive stat characteristics that will be 261 discovered and ready to use. Each characteristic may hold information 262 to sync to a periodic advertise or a broadcast isochronous stream. 263 264endif # BT_BAP_BROADCAST_ASSISTANT 265 266config BT_BAP_DEBUG_STREAM_DATA 267 bool "Bluetooth Audio Stream data debug" 268 depends on BT_BAP_STREAM_LOG_LEVEL_DBG 269 help 270 Use this option to enable Bluetooth Audio Stream data debug logs for 271 the Bluetooth Audio functionality. This will enable debug logs for all 272 audio data received and sent. 273 274config BT_BAP_STREAM 275 # Virtual/hidden option 276 bool 277 default y if BT_ASCS || BT_BAP_UNICAST_CLIENT || \ 278 BT_BAP_BROADCAST_SOURCE || BT_BAP_BROADCAST_SINK 279 280config BT_BAP_DEBUG_STREAM_SEQ_NUM 281 bool "Bluetooth Audio Stream sequence number debug" 282 depends on BT_BAP_STREAM_LOG_LEVEL >= BT_BAP_STREAM_LOG_LEVEL_WRN 283 default y 284 help 285 Use this option to enable Bluetooth Audio Stream sequence number debugging logs for 286 the Bluetooth Audio functionality. This will provide a warning if the application 287 provides unexpected sequence numbers. 288 289config BT_BAP_BASE 290 def_bool BT_BAP_BROADCAST_SINK || BT_BAP_BROADCAST_ASSISTANT || BT_BAP_SCAN_DELEGATOR 291 292rsource "Kconfig.pacs" 293rsource "Kconfig.ascs" 294
