/* * Copyright (C) 2014 The Android Open Source Project * * 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. */ package com.android.server.hdmi; import android.hardware.hdmi.HdmiDeviceInfo; /** * Defines constants related to HDMI-CEC protocol internal implementation. * If a constant will be used in the public api, it should be located in * {@link android.hardware.hdmi.HdmiControlManager}. */ final class Constants { /** Logical address for TV */ public static final int ADDR_TV = 0; /** Logical address for recorder 1 */ public static final int ADDR_RECORDER_1 = 1; /** Logical address for recorder 2 */ public static final int ADDR_RECORDER_2 = 2; /** Logical address for tuner 1 */ public static final int ADDR_TUNER_1 = 3; /** Logical address for playback 1 */ public static final int ADDR_PLAYBACK_1 = 4; /** Logical address for audio system */ public static final int ADDR_AUDIO_SYSTEM = 5; /** Logical address for tuner 2 */ public static final int ADDR_TUNER_2 = 6; /** Logical address for tuner 3 */ public static final int ADDR_TUNER_3 = 7; /** Logical address for playback 2 */ public static final int ADDR_PLAYBACK_2 = 8; /** Logical address for recorder 3 */ public static final int ADDR_RECORDER_3 = 9; /** Logical address for tuner 4 */ public static final int ADDR_TUNER_4 = 10; /** Logical address for playback 3 */ public static final int ADDR_PLAYBACK_3 = 11; /** Logical address reserved for future usage */ public static final int ADDR_RESERVED_1 = 12; /** Logical address reserved for future usage */ public static final int ADDR_RESERVED_2 = 13; /** Logical address for TV other than the one assigned with {@link #ADDR_TV} */ public static final int ADDR_SPECIFIC_USE = 14; /** Logical address for devices to which address cannot be allocated */ public static final int ADDR_UNREGISTERED = 15; /** Logical address used in the destination address field for broadcast messages */ public static final int ADDR_BROADCAST = 15; /** Logical address used to indicate it is not initialized or invalid. */ public static final int ADDR_INVALID = -1; /** Logical address used to indicate the source comes from internal device. */ public static final int ADDR_INTERNAL = HdmiDeviceInfo.ADDR_INTERNAL; static final int MESSAGE_FEATURE_ABORT = 0x00; static final int MESSAGE_IMAGE_VIEW_ON = 0x04; static final int MESSAGE_TUNER_STEP_INCREMENT = 0x05; static final int MESSAGE_TUNER_STEP_DECREMENT = 0x06; static final int MESSAGE_TUNER_DEVICE_STATUS = 0x07; static final int MESSAGE_GIVE_TUNER_DEVICE_STATUS = 0x08; static final int MESSAGE_RECORD_ON = 0x09; static final int MESSAGE_RECORD_STATUS = 0x0A; static final int MESSAGE_RECORD_OFF = 0x0B; static final int MESSAGE_TEXT_VIEW_ON = 0x0D; static final int MESSAGE_RECORD_TV_SCREEN = 0x0F; static final int MESSAGE_GIVE_DECK_STATUS = 0x1A; static final int MESSAGE_DECK_STATUS = 0x1B; static final int MESSAGE_SET_MENU_LANGUAGE = 0x32; static final int MESSAGE_CLEAR_ANALOG_TIMER = 0x33; static final int MESSAGE_SET_ANALOG_TIMER = 0x34; static final int MESSAGE_TIMER_STATUS = 0x35; static final int MESSAGE_STANDBY = 0x36; static final int MESSAGE_PLAY = 0x41; static final int MESSAGE_DECK_CONTROL = 0x42; static final int MESSAGE_TIMER_CLEARED_STATUS = 0x043; static final int MESSAGE_USER_CONTROL_PRESSED = 0x44; static final int MESSAGE_USER_CONTROL_RELEASED = 0x45; static final int MESSAGE_GIVE_OSD_NAME = 0x46; static final int MESSAGE_SET_OSD_NAME = 0x47; static final int MESSAGE_SET_OSD_STRING = 0x64; static final int MESSAGE_SET_TIMER_PROGRAM_TITLE = 0x67; static final int MESSAGE_SYSTEM_AUDIO_MODE_REQUEST = 0x70; static final int MESSAGE_GIVE_AUDIO_STATUS = 0x71; static final int MESSAGE_SET_SYSTEM_AUDIO_MODE = 0x72; static final int MESSAGE_REPORT_AUDIO_STATUS = 0x7A; static final int MESSAGE_GIVE_SYSTEM_AUDIO_MODE_STATUS = 0x7D; static final int MESSAGE_SYSTEM_AUDIO_MODE_STATUS = 0x7E; static final int MESSAGE_ROUTING_CHANGE = 0x80; static final int MESSAGE_ROUTING_INFORMATION = 0x81; static final int MESSAGE_ACTIVE_SOURCE = 0x82; static final int MESSAGE_GIVE_PHYSICAL_ADDRESS = 0x83; static final int MESSAGE_REPORT_PHYSICAL_ADDRESS = 0x84; static final int MESSAGE_REQUEST_ACTIVE_SOURCE = 0x85; static final int MESSAGE_SET_STREAM_PATH = 0x86; static final int MESSAGE_DEVICE_VENDOR_ID = 0x87; static final int MESSAGE_VENDOR_COMMAND = 0x89; static final int MESSAGE_VENDOR_REMOTE_BUTTON_DOWN = 0x8A; static final int MESSAGE_VENDOR_REMOTE_BUTTON_UP = 0x8B; static final int MESSAGE_GIVE_DEVICE_VENDOR_ID = 0x8C; static final int MESSAGE_MENU_REQUEST = 0x8D; static final int MESSAGE_MENU_STATUS = 0x8E; static final int MESSAGE_GIVE_DEVICE_POWER_STATUS = 0x8F; static final int MESSAGE_REPORT_POWER_STATUS = 0x90; static final int MESSAGE_GET_MENU_LANGUAGE = 0x91; static final int MESSAGE_SELECT_ANALOG_SERVICE = 0x92; static final int MESSAGE_SELECT_DIGITAL_SERVICE = 0x93; static final int MESSAGE_SET_DIGITAL_TIMER = 0x97; static final int MESSAGE_CLEAR_DIGITAL_TIMER = 0x99; static final int MESSAGE_SET_AUDIO_RATE = 0x9A; static final int MESSAGE_INACTIVE_SOURCE = 0x9D; static final int MESSAGE_CEC_VERSION = 0x9E; static final int MESSAGE_GET_CEC_VERSION = 0x9F; static final int MESSAGE_VENDOR_COMMAND_WITH_ID = 0xA0; static final int MESSAGE_CLEAR_EXTERNAL_TIMER = 0xA1; static final int MESSAGE_SET_EXTERNAL_TIMER = 0xA2; static final int MESSAGE_REPORT_SHORT_AUDIO_DESCRIPTOR = 0xA3; static final int MESSAGE_REQUEST_SHORT_AUDIO_DESCRIPTOR = 0xA4; static final int MESSAGE_INITIATE_ARC = 0xC0; static final int MESSAGE_REPORT_ARC_INITIATED = 0xC1; static final int MESSAGE_REPORT_ARC_TERMINATED = 0xC2; static final int MESSAGE_REQUEST_ARC_INITIATION = 0xC3; static final int MESSAGE_REQUEST_ARC_TERMINATION = 0xC4; static final int MESSAGE_TERMINATE_ARC = 0xC5; static final int MESSAGE_CDC_MESSAGE = 0xF8; static final int MESSAGE_ABORT = 0xFF; static final int UNKNOWN_VENDOR_ID = 0xFFFFFF; static final int TRUE = 1; static final int FALSE = 0; // Internal abort error code. It's the same as success. static final int ABORT_NO_ERROR = -1; // Constants related to operands of HDMI CEC commands. // Refer to CEC Table 29 in HDMI Spec v1.4b. // [Abort Reason] static final int ABORT_UNRECOGNIZED_OPCODE = 0; static final int ABORT_NOT_IN_CORRECT_MODE = 1; static final int ABORT_CANNOT_PROVIDE_SOURCE = 2; static final int ABORT_INVALID_OPERAND = 3; static final int ABORT_REFUSED = 4; static final int ABORT_UNABLE_TO_DETERMINE = 5; // [Audio Status] static final int SYSTEM_AUDIO_STATUS_OFF = 0; static final int SYSTEM_AUDIO_STATUS_ON = 1; // [Menu State] static final int MENU_STATE_ACTIVATED = 0; static final int MENU_STATE_DEACTIVATED = 1; // Bit mask used to get the routing path of the top level device. // When &'d with the path 1.2.2.0 (0x1220), for instance, gives 1.0.0.0. static final int ROUTING_PATH_TOP_MASK = 0xF000; static final int ROUTING_PATH_TOP_SHIFT = 12; static final int INVALID_PORT_ID = HdmiDeviceInfo.PORT_INVALID; static final int INVALID_PHYSICAL_ADDRESS = HdmiDeviceInfo.PATH_INVALID; static final int PATH_INTERNAL = HdmiDeviceInfo.PATH_INTERNAL; // Send result codes. It should be consistent with hdmi_cec.h's send_message error code. static final int SEND_RESULT_SUCCESS = 0; static final int SEND_RESULT_NAK = 1; static final int SEND_RESULT_BUSY = 2; static final int SEND_RESULT_FAILURE = 3; // Strategy for device polling. // Should use "OR(|) operation of POLL_STRATEGY_XXX and POLL_ITERATION_XXX. static final int POLL_STRATEGY_MASK = 0x3; // first and second bit. static final int POLL_STRATEGY_REMOTES_DEVICES = 0x1; static final int POLL_STRATEGY_SYSTEM_AUDIO = 0x2; static final int POLL_ITERATION_STRATEGY_MASK = 0x30000; // first and second bit. static final int POLL_ITERATION_IN_ORDER = 0x10000; static final int POLL_ITERATION_REVERSE_ORDER = 0x20000; static final int UNKNOWN_VOLUME = -1; static final String PROPERTY_PREFERRED_ADDRESS_PLAYBACK = "persist.sys.hdmi.addr.playback"; static final String PROPERTY_PREFERRED_ADDRESS_TV = "persist.sys.hdmi.addr.tv"; // Property name for the local device configurations. // TODO(OEM): OEM should provide this property, and the value is the comma separated integer // values which denotes the device type in HDMI Spec 1.4. static final String PROPERTY_DEVICE_TYPE = "ro.hdmi.device_type"; // TODO(OEM): Set this to false to keep the playback device in sleep upon hotplug event. // True by default. static final String PROPERTY_WAKE_ON_HOTPLUG = "ro.hdmi.wake_on_hotplug"; // Set to false to allow playback device to go to suspend mode even // when it's an active source. True by default. static final String PROPERTY_KEEP_AWAKE = "persist.sys.hdmi.keep_awake"; static final int RECORDING_TYPE_DIGITAL_RF = 1; static final int RECORDING_TYPE_ANALOGUE_RF = 2; static final int RECORDING_TYPE_EXTERNAL_PHYSICAL_ADDRESS = 3; static final int RECORDING_TYPE_OWN_SOURCE = 4; // Definitions used for setOption(). These should be in sync with the definition // in hardware/libhardware/include/hardware/{hdmi_cec.h,mhl.h}. // TV gets turned on by incoming . enabled by default. // If set to disabled, TV won't turn on automatically. static final int OPTION_CEC_AUTO_WAKEUP = 1; // If set to disabled, all CEC commands are discarded. static final int OPTION_CEC_ENABLE = 2; // If set to disabled, system service yields control of CEC to sub-microcontroller. // If enabled, it takes the control back. static final int OPTION_CEC_SERVICE_CONTROL = 3; // Put other devices to standby when TV goes to standby. enabled by default. // If set to disabled, TV doesn't send to other devices. static final int OPTION_CEC_AUTO_DEVICE_OFF = 4; // Passes the language used in the system when updated. The value to use is the 3 byte // code as defined in ISO/FDIS 639-2. static final int OPTION_CEC_SET_LANGUAGE = 5; // If set to disabled, TV does not switch ports when mobile device is connected. static final int OPTION_MHL_INPUT_SWITCHING = 101; // If set to enabled, TV disables power charging for mobile device. static final int OPTION_MHL_POWER_CHARGE = 102; // If set to disabled, all MHL commands are discarded. static final int OPTION_MHL_ENABLE = 103; // If set to disabled, system service yields control of MHL to sub-microcontroller. // If enabled, it takes the control back. static final int OPTION_MHL_SERVICE_CONTROL = 104; static final int DISABLED = 0; static final int ENABLED = 1; private Constants() { /* cannot be instantiated */ } }