[GD-SCO] Add SCO related commands and events (d0e057f9) · Commits · e / os / android_packages_modules_Bluetooth

system/gd/hci/hci_packets.pdl

+177 −4

Original line number	Diff line number	Diff line
		@@ -1202,12 +1202,145 @@ packet IoCapabilityRequestNegativeReplyComplete : CommandComplete (command_op_co
		bd_addr : Address,
		}

		enum ScoCodingFormatValues : 8 {
		ULAW_LONG = 0x00,
		ALAW_LONG = 0x01,
		CVSD = 0x02,
		TRANSPARENT = 0x03,
		LINEAR_PCM = 0x04,
		MSBC = 0x05,
		LC3 = 0x06,
		VENDOR_SPECIFIC = 0xFF,
		}

		struct ScoCodingFormat {
		coding_format : ScoCodingFormatValues,
		company_id : 16,
		vendor_specific_codec_id : 16,
		}

		enum ScoPcmDataFormat : 8 {
		NOT_USED = 0x00,
		ONES_COMPLEMENT = 0X01,
		TWOS_COMPLEMENT = 0x02,
		SIGN_MAGNITUDE = 0x03,
		UNSIGNED = 0x04,
		}

		enum ScoDataPath : 8 {
		HCI = 0x00,
		// 0x01 to 0xFE are Logical_Channel_Number.
		// The meaning of the logical channels will be vendor specific.
		// In GD and legacy Android Bluetooth stack, we use channel 0x01 for hardware
		// offloaded SCO encoding
		GD_PCM = 0x01,
		AUDIO_TEST_MODE = 0xFF,
		}

		enum RetransmissionEffort : 8 {
		NO_RETRANSMISSION = 0x00,
		AT_LEAST_ONE_OPTIMIZED_FOR_POWER = 0x01,
		AT_LEAST_ONE_OPTIMIZED_FOR_LINK_QUALITY = 0x02,
		DO_NOT_CARE = 0xFF,
		}

		packet EnhancedSetupSynchronousConnection : ScoConnectionCommand (op_code = ENHANCED_SETUP_SYNCHRONOUS_CONNECTION) {
		_payload_, // placeholder (unimplemented)
		connection_handle: 12,
		_reserved_ : 4,
		// Next two items
		// [0x00000000, 0xFFFFFFFE] Bandwidth in octets per second.
		// [0xFFFFFFFF]: Don't care
		transmit_bandwidth : 16,
		receive_bandwidth : 16,
		transmit_coding_format : ScoCodingFormat,
		receive_coding_format : ScoCodingFormat,
		// Next two items
		// [0x0001, 0xFFFF]: the actual size of the over-the-air encoded frame in
		// octets.
		transmit_codec_frame_size : 16,
		receive_codec_frame_size : 16,
		// Next two items
		// Host to Controller nominal data rate in octets per second.
		input_bandwidth : 32,
		output_bandwidth : 32,
		input_coding_format : ScoCodingFormat,
		output_coding_format : ScoCodingFormat,
		// Next two items
		// Size, in bits, of the sample or framed data
		input_coded_data_size : 16,
		output_coded_data_size : 16,
		input_pcm_data_format : ScoPcmDataFormat,
		output_pcm_data_format : ScoPcmDataFormat,
		// Next two items
		// The number of bit positions within an audio sample that the MSB of the
		// sample is away from starting at the MSB of the data.
		input_pcm_sample_payload_msb_position : 8,
		output_pcm_sample_payload_msb_position : 8,
		input_data_path : ScoDataPath,
		output_data_path : ScoDataPath,
		// Next two items
		// [1, 255] The number of bits in each unit of data received from the Host
		// over the audio data transport.
		// [0] Not applicable (implied by the choice of audio data transport)
		input_transport_unit_size : 8,
		output_transport_unit_size : 8,
		// [0x0004, 0xFFFE]: in milliseconds
		// Upper limit represent the sum of the synchronous interval and the size
		// of the eSCO window, where the eSCO window is reserved slots plus the
		// retransmission window
		// [0xFFFF]: don't care
		max_latency : 16,
		packet_type : 16,
		retransmission_effort : RetransmissionEffort,
		}

		packet EnhancedAcceptSynchronousConnection : ScoConnectionCommand (op_code = ENHANCED_ACCEPT_SYNCHRONOUS_CONNECTION) {
		_payload_, // placeholder (unimplemented)
		bd_addr : Address,
		// Next two items
		// [0x00000000, 0xFFFFFFFE] Bandwidth in octets per second.
		// [0xFFFFFFFF]: Don't care
		transmit_bandwidth : 16,
		receive_bandwidth : 16,
		transmit_coding_format : ScoCodingFormat,
		receive_coding_format : ScoCodingFormat,
		// Next two items
		// [0x0001, 0xFFFF]: the actual size of the over-the-air encoded frame in
		// octets.
		transmit_codec_frame_size : 16,
		receive_codec_frame_size : 16,
		// Next two items
		// Host to Controller nominal data rate in octets per second.
		input_bandwidth : 32,
		output_bandwidth : 32,
		input_coding_format : ScoCodingFormat,
		output_coding_format : ScoCodingFormat,
		// Next two items
		// Size, in bits, of the sample or framed data
		input_coded_data_size : 16,
		output_coded_data_size : 16,
		input_pcm_data_format : ScoPcmDataFormat,
		output_pcm_data_format : ScoPcmDataFormat,
		// Next two items
		// The number of bit positions within an audio sample that the MSB of the
		// sample is away from starting at the MSB of the data.
		input_pcm_sample_payload_msb_position : 8,
		output_pcm_sample_payload_msb_position : 8,
		input_data_path : ScoDataPath,
		output_data_path : ScoDataPath,
		// Next two items
		// [1, 255] The number of bits in each unit of data received from the Host
		// over the audio data transport.
		// [0] Not applicable (implied by the choice of audio data transport)
		input_transport_unit_size : 8,
		output_transport_unit_size : 8,
		// [0x0004, 0xFFFE]: in milliseconds
		// Upper limit represent the sum of the synchronous interval and the size
		// of the eSCO window, where the eSCO window is reserved slots plus the
		// retransmission window
		// [0xFFFF]: don't care
		max_latency : 16,
		packet_type : 16,
		retransmission_effort : RetransmissionEffort,
		}

		packet RemoteOobExtendedDataRequestReply : SecurityCommand (op_code = REMOTE_OOB_EXTENDED_DATA_REQUEST_REPLY) {
		@@ -4137,12 +4270,52 @@ packet ReadRemoteExtendedFeaturesComplete : Event (event_code = READ_REMOTE_EXTE
		extended_lmp_features : 64,
		}

		enum ScoLinkType : 8 {
		SCO = 0x00,
		ESCO = 0x02,
		}

		enum ScoAirMode : 8 {
		ULAW_LONG = 0x00,
		ALAW_LONG = 0x01,
		CVSD = 0x02,
		TRANSPARENT = 0x03,
		}

		packet SynchronousConnectionComplete : Event (event_code = SYNCHRONOUS_CONNECTION_COMPLETE){
		_payload_, // placeholder (unimplemented)
		status : ErrorCode,
		connection_handle : 12,
		_reserved_ : 4,
		bd_addr : Address,
		link_type : ScoLinkType,
		// Time between two consecutive eSCO instants measured in slots.
		// eSCO only, Shall be zero for SCO links.
		transmission_interval : 8,
		// The size of the retransmission window measured in slots.
		// eSCO only. Shall be zero for SCO links.
		retransmission_window : 8,
		// Length in bytes of the eSCO payload in the receive direction.
		// eSCO only. Shall be zero for SCO links.
		rx_packet_length : 16,
		// Length in bytes of the eSCO payload in the transmit direction.
		// eSCO only. Shall be zero for SCO links.
		tx_packet_length : 16,
		air_mode : ScoAirMode,
		}

		packet SynchronousConnectionChanged : Event (event_code = SYNCHRONOUS_CONNECTION_CHANGED){
		_payload_, // placeholder (unimplemented)
		status : ErrorCode,
		connection_handle : 12,
		_reserved_ : 4,
		// Time between two consecutive eSCO instants measured in slots.
		// eSCO only, Shall be zero for SCO links.
		transmission_interval : 8,
		// Time between two consecutive SCO/eSCO instants measured in slots.
		retransmission_window : 8,
		// Length in bytes of the SCO/eSCO payload in the receive direction.
		rx_packet_length : 16,
		// Length in bytes of the SCO/eSCO payload in the transmit direction.
		tx_packet_length : 16,
		}

		packet SniffSubratingEvent : Event (event_code = SNIFF_SUBRATING){