| /* |
| * 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; |
| |
| /** |
| * 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.HdmiCec}. |
| */ |
| 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 = 0xFFFF; |
| |
| 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; |
| |
| // 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_MODE = 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; |
| |
| // 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 = -1; |
| static final int INVALID_PHYSICAL_ADDRESS = 0xFFFF; |
| |
| // Send result codes. |
| static final int SEND_RESULT_SUCCESS = 0; |
| static final int SEND_RESULT_NAK = -1; |
| static final int SEND_RESULT_FAILURE = -2; |
| |
| // 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; |
| |
| // IRT(Initiator Repetition Time) in millisecond as recommended in the standard. |
| // Outgoing UCP commands, when in 'Press and Hold' mode, should be this much apart |
| // from the adjacent one so as not to place unnecessarily heavy load on the CEC line. |
| // TODO: This value might need tweaking per product basis. Consider putting it |
| // in config.xml to allow customization. |
| static final int IRT_MS = 300; |
| |
| private Constants() { /* cannot be instantiated */ } |
| } |