/* * Copyright (C) 2015 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. */ #ifndef ANDROID_INCLUDE_HARDWARE_INPUT_H #define ANDROID_INCLUDE_HARDWARE_INPUT_H #include #include __BEGIN_DECLS #define INPUT_MODULE_API_VERSION_1_0 HARDWARE_MODULE_API_VERSION(1, 0) #define INPUT_HARDWARE_MODULE_ID "input" #define INPUT_INSTANCE_EVDEV "evdev" typedef enum input_bus { INPUT_BUS_BT, INPUT_BUS_USB, INPUT_BUS_SERIAL, INPUT_BUS_BUILTIN } input_bus_t; typedef struct input_host input_host_t; typedef struct input_device_handle input_device_handle_t; typedef struct input_device_identifier input_device_identifier_t; typedef struct input_device_definition input_device_definition_t; typedef struct input_report_definition input_report_definition_t; typedef struct input_report input_report_t; typedef struct input_collection input_collection_t; typedef struct input_property_map input_property_map_t; typedef struct input_property input_property_t; typedef enum { // keycodes INPUT_USAGE_KEYCODE_UNKNOWN, INPUT_USAGE_KEYCODE_SOFT_LEFT, INPUT_USAGE_KEYCODE_SOFT_RIGHT, INPUT_USAGE_KEYCODE_HOME, INPUT_USAGE_KEYCODE_BACK, INPUT_USAGE_KEYCODE_CALL, INPUT_USAGE_KEYCODE_ENDCALL, INPUT_USAGE_KEYCODE_0, INPUT_USAGE_KEYCODE_1, INPUT_USAGE_KEYCODE_2, INPUT_USAGE_KEYCODE_3, INPUT_USAGE_KEYCODE_4, INPUT_USAGE_KEYCODE_5, INPUT_USAGE_KEYCODE_6, INPUT_USAGE_KEYCODE_7, INPUT_USAGE_KEYCODE_8, INPUT_USAGE_KEYCODE_9, INPUT_USAGE_KEYCODE_STAR, INPUT_USAGE_KEYCODE_POUND, INPUT_USAGE_KEYCODE_DPAD_UP, INPUT_USAGE_KEYCODE_DPAD_DOWN, INPUT_USAGE_KEYCODE_DPAD_LEFT, INPUT_USAGE_KEYCODE_DPAD_RIGHT, INPUT_USAGE_KEYCODE_DPAD_CENTER, INPUT_USAGE_KEYCODE_VOLUME_UP, INPUT_USAGE_KEYCODE_VOLUME_DOWN, INPUT_USAGE_KEYCODE_POWER, INPUT_USAGE_KEYCODE_CAMERA, INPUT_USAGE_KEYCODE_CLEAR, INPUT_USAGE_KEYCODE_A, INPUT_USAGE_KEYCODE_B, INPUT_USAGE_KEYCODE_C, INPUT_USAGE_KEYCODE_D, INPUT_USAGE_KEYCODE_E, INPUT_USAGE_KEYCODE_F, INPUT_USAGE_KEYCODE_G, INPUT_USAGE_KEYCODE_H, INPUT_USAGE_KEYCODE_I, INPUT_USAGE_KEYCODE_J, INPUT_USAGE_KEYCODE_K, INPUT_USAGE_KEYCODE_L, INPUT_USAGE_KEYCODE_M, INPUT_USAGE_KEYCODE_N, INPUT_USAGE_KEYCODE_O, INPUT_USAGE_KEYCODE_P, INPUT_USAGE_KEYCODE_Q, INPUT_USAGE_KEYCODE_R, INPUT_USAGE_KEYCODE_S, INPUT_USAGE_KEYCODE_T, INPUT_USAGE_KEYCODE_U, INPUT_USAGE_KEYCODE_V, INPUT_USAGE_KEYCODE_W, INPUT_USAGE_KEYCODE_X, INPUT_USAGE_KEYCODE_Y, INPUT_USAGE_KEYCODE_Z, INPUT_USAGE_KEYCODE_COMMA, INPUT_USAGE_KEYCODE_PERIOD, INPUT_USAGE_KEYCODE_ALT_LEFT, INPUT_USAGE_KEYCODE_ALT_RIGHT, INPUT_USAGE_KEYCODE_SHIFT_LEFT, INPUT_USAGE_KEYCODE_SHIFT_RIGHT, INPUT_USAGE_KEYCODE_TAB, INPUT_USAGE_KEYCODE_SPACE, INPUT_USAGE_KEYCODE_SYM, INPUT_USAGE_KEYCODE_EXPLORER, INPUT_USAGE_KEYCODE_ENVELOPE, INPUT_USAGE_KEYCODE_ENTER, INPUT_USAGE_KEYCODE_DEL, INPUT_USAGE_KEYCODE_GRAVE, INPUT_USAGE_KEYCODE_MINUS, INPUT_USAGE_KEYCODE_EQUALS, INPUT_USAGE_KEYCODE_LEFT_BRACKET, INPUT_USAGE_KEYCODE_RIGHT_BRACKET, INPUT_USAGE_KEYCODE_BACKSLASH, INPUT_USAGE_KEYCODE_SEMICOLON, INPUT_USAGE_KEYCODE_APOSTROPHE, INPUT_USAGE_KEYCODE_SLASH, INPUT_USAGE_KEYCODE_AT, INPUT_USAGE_KEYCODE_NUM, INPUT_USAGE_KEYCODE_HEADSETHOOK, INPUT_USAGE_KEYCODE_FOCUS, // *Camera* focus INPUT_USAGE_KEYCODE_PLUS, INPUT_USAGE_KEYCODE_MENU, INPUT_USAGE_KEYCODE_NOTIFICATION, INPUT_USAGE_KEYCODE_SEARCH, INPUT_USAGE_KEYCODE_MEDIA_PLAY_PAUSE, INPUT_USAGE_KEYCODE_MEDIA_STOP, INPUT_USAGE_KEYCODE_MEDIA_NEXT, INPUT_USAGE_KEYCODE_MEDIA_PREVIOUS, INPUT_USAGE_KEYCODE_MEDIA_REWIND, INPUT_USAGE_KEYCODE_MEDIA_FAST_FORWARD, INPUT_USAGE_KEYCODE_MUTE, INPUT_USAGE_KEYCODE_PAGE_UP, INPUT_USAGE_KEYCODE_PAGE_DOWN, INPUT_USAGE_KEYCODE_PICTSYMBOLS, INPUT_USAGE_KEYCODE_SWITCH_CHARSET, INPUT_USAGE_KEYCODE_BUTTON_A, INPUT_USAGE_KEYCODE_BUTTON_B, INPUT_USAGE_KEYCODE_BUTTON_C, INPUT_USAGE_KEYCODE_BUTTON_X, INPUT_USAGE_KEYCODE_BUTTON_Y, INPUT_USAGE_KEYCODE_BUTTON_Z, INPUT_USAGE_KEYCODE_BUTTON_L1, INPUT_USAGE_KEYCODE_BUTTON_R1, INPUT_USAGE_KEYCODE_BUTTON_L2, INPUT_USAGE_KEYCODE_BUTTON_R2, INPUT_USAGE_KEYCODE_BUTTON_THUMBL, INPUT_USAGE_KEYCODE_BUTTON_THUMBR, INPUT_USAGE_KEYCODE_BUTTON_START, INPUT_USAGE_KEYCODE_BUTTON_SELECT, INPUT_USAGE_KEYCODE_BUTTON_MODE, INPUT_USAGE_KEYCODE_ESCAPE, INPUT_USAGE_KEYCODE_FORWARD_DEL, INPUT_USAGE_KEYCODE_CTRL_LEFT, INPUT_USAGE_KEYCODE_CTRL_RIGHT, INPUT_USAGE_KEYCODE_CAPS_LOCK, INPUT_USAGE_KEYCODE_SCROLL_LOCK, INPUT_USAGE_KEYCODE_META_LEFT, INPUT_USAGE_KEYCODE_META_RIGHT, INPUT_USAGE_KEYCODE_FUNCTION, INPUT_USAGE_KEYCODE_SYSRQ, INPUT_USAGE_KEYCODE_BREAK, INPUT_USAGE_KEYCODE_MOVE_HOME, INPUT_USAGE_KEYCODE_MOVE_END, INPUT_USAGE_KEYCODE_INSERT, INPUT_USAGE_KEYCODE_FORWARD, INPUT_USAGE_KEYCODE_MEDIA_PLAY, INPUT_USAGE_KEYCODE_MEDIA_PAUSE, INPUT_USAGE_KEYCODE_MEDIA_CLOSE, INPUT_USAGE_KEYCODE_MEDIA_EJECT, INPUT_USAGE_KEYCODE_MEDIA_RECORD, INPUT_USAGE_KEYCODE_F1, INPUT_USAGE_KEYCODE_F2, INPUT_USAGE_KEYCODE_F3, INPUT_USAGE_KEYCODE_F4, INPUT_USAGE_KEYCODE_F5, INPUT_USAGE_KEYCODE_F6, INPUT_USAGE_KEYCODE_F7, INPUT_USAGE_KEYCODE_F8, INPUT_USAGE_KEYCODE_F9, INPUT_USAGE_KEYCODE_F10, INPUT_USAGE_KEYCODE_F11, INPUT_USAGE_KEYCODE_F12, INPUT_USAGE_KEYCODE_NUM_LOCK, INPUT_USAGE_KEYCODE_NUMPAD_0, INPUT_USAGE_KEYCODE_NUMPAD_1, INPUT_USAGE_KEYCODE_NUMPAD_2, INPUT_USAGE_KEYCODE_NUMPAD_3, INPUT_USAGE_KEYCODE_NUMPAD_4, INPUT_USAGE_KEYCODE_NUMPAD_5, INPUT_USAGE_KEYCODE_NUMPAD_6, INPUT_USAGE_KEYCODE_NUMPAD_7, INPUT_USAGE_KEYCODE_NUMPAD_8, INPUT_USAGE_KEYCODE_NUMPAD_9, INPUT_USAGE_KEYCODE_NUMPAD_DIVIDE, INPUT_USAGE_KEYCODE_NUMPAD_MULTIPLY, INPUT_USAGE_KEYCODE_NUMPAD_SUBTRACT, INPUT_USAGE_KEYCODE_NUMPAD_ADD, INPUT_USAGE_KEYCODE_NUMPAD_DOT, INPUT_USAGE_KEYCODE_NUMPAD_COMMA, INPUT_USAGE_KEYCODE_NUMPAD_ENTER, INPUT_USAGE_KEYCODE_NUMPAD_EQUALS, INPUT_USAGE_KEYCODE_NUMPAD_LEFT_PAREN, INPUT_USAGE_KEYCODE_NUMPAD_RIGHT_PAREN, INPUT_USAGE_KEYCODE_VOLUME_MUTE, INPUT_USAGE_KEYCODE_INFO, INPUT_USAGE_KEYCODE_CHANNEL_UP, INPUT_USAGE_KEYCODE_CHANNEL_DOWN, INPUT_USAGE_KEYCODE_ZOOM_IN, INPUT_USAGE_KEYCODE_ZOOM_OUT, INPUT_USAGE_KEYCODE_TV, INPUT_USAGE_KEYCODE_WINDOW, INPUT_USAGE_KEYCODE_GUIDE, INPUT_USAGE_KEYCODE_DVR, INPUT_USAGE_KEYCODE_BOOKMARK, INPUT_USAGE_KEYCODE_CAPTIONS, INPUT_USAGE_KEYCODE_SETTINGS, INPUT_USAGE_KEYCODE_TV_POWER, INPUT_USAGE_KEYCODE_TV_INPUT, INPUT_USAGE_KEYCODE_STB_POWER, INPUT_USAGE_KEYCODE_STB_INPUT, INPUT_USAGE_KEYCODE_AVR_POWER, INPUT_USAGE_KEYCODE_AVR_INPUT, INPUT_USAGE_KEYCODE_PROG_RED, INPUT_USAGE_KEYCODE_PROG_GREEN, INPUT_USAGE_KEYCODE_PROG_YELLOW, INPUT_USAGE_KEYCODE_PROG_BLUE, INPUT_USAGE_KEYCODE_APP_SWITCH, INPUT_USAGE_KEYCODE_BUTTON_1, INPUT_USAGE_KEYCODE_BUTTON_2, INPUT_USAGE_KEYCODE_BUTTON_3, INPUT_USAGE_KEYCODE_BUTTON_4, INPUT_USAGE_KEYCODE_BUTTON_5, INPUT_USAGE_KEYCODE_BUTTON_6, INPUT_USAGE_KEYCODE_BUTTON_7, INPUT_USAGE_KEYCODE_BUTTON_8, INPUT_USAGE_KEYCODE_BUTTON_9, INPUT_USAGE_KEYCODE_BUTTON_10, INPUT_USAGE_KEYCODE_BUTTON_11, INPUT_USAGE_KEYCODE_BUTTON_12, INPUT_USAGE_KEYCODE_BUTTON_13, INPUT_USAGE_KEYCODE_BUTTON_14, INPUT_USAGE_KEYCODE_BUTTON_15, INPUT_USAGE_KEYCODE_BUTTON_16, INPUT_USAGE_KEYCODE_LANGUAGE_SWITCH, INPUT_USAGE_KEYCODE_MANNER_MODE, INPUT_USAGE_KEYCODE_3D_MODE, INPUT_USAGE_KEYCODE_CONTACTS, INPUT_USAGE_KEYCODE_CALENDAR, INPUT_USAGE_KEYCODE_MUSIC, INPUT_USAGE_KEYCODE_CALCULATOR, INPUT_USAGE_KEYCODE_ZENKAKU_HANKAKU, INPUT_USAGE_KEYCODE_EISU, INPUT_USAGE_KEYCODE_MUHENKAN, INPUT_USAGE_KEYCODE_HENKAN, INPUT_USAGE_KEYCODE_KATAKANA_HIRAGANA, INPUT_USAGE_KEYCODE_YEN, INPUT_USAGE_KEYCODE_RO, INPUT_USAGE_KEYCODE_KANA, INPUT_USAGE_KEYCODE_ASSIST, INPUT_USAGE_KEYCODE_BRIGHTNESS_DOWN, INPUT_USAGE_KEYCODE_BRIGHTNESS_UP, INPUT_USAGE_KEYCODE_MEDIA_AUDIO_TRACK, INPUT_USAGE_KEYCODE_SLEEP, INPUT_USAGE_KEYCODE_WAKEUP, INPUT_USAGE_KEYCODE_PAIRING, INPUT_USAGE_KEYCODE_MEDIA_TOP_MENU, INPUT_USAGE_KEYCODE_11, INPUT_USAGE_KEYCODE_12, INPUT_USAGE_KEYCODE_LAST_CHANNEL, INPUT_USAGE_KEYCODE_TV_DATA_SERVICE, INPUT_USAGE_KEYCODE_VOICE_ASSIST, INPUT_USAGE_KEYCODE_TV_RADIO_SERVICE, INPUT_USAGE_KEYCODE_TV_TELETEXT, INPUT_USAGE_KEYCODE_TV_NUMBER_ENTRY, INPUT_USAGE_KEYCODE_TV_TERRESTRIAL_ANALOG, INPUT_USAGE_KEYCODE_TV_TERRESTRIAL_DIGITAL, INPUT_USAGE_KEYCODE_TV_SATELLITE, INPUT_USAGE_KEYCODE_TV_SATELLITE_BS, INPUT_USAGE_KEYCODE_TV_SATELLITE_CS, INPUT_USAGE_KEYCODE_TV_SATELLITE_SERVICE, INPUT_USAGE_KEYCODE_TV_NETWORK, INPUT_USAGE_KEYCODE_TV_ANTENNA_CABLE, INPUT_USAGE_KEYCODE_TV_INPUT_HDMI_1, INPUT_USAGE_KEYCODE_TV_INPUT_HDMI_2, INPUT_USAGE_KEYCODE_TV_INPUT_HDMI_3, INPUT_USAGE_KEYCODE_TV_INPUT_HDMI_4, INPUT_USAGE_KEYCODE_TV_INPUT_COMPOSITE_1, INPUT_USAGE_KEYCODE_TV_INPUT_COMPOSITE_2, INPUT_USAGE_KEYCODE_TV_INPUT_COMPONENT_1, INPUT_USAGE_KEYCODE_TV_INPUT_COMPONENT_2, INPUT_USAGE_KEYCODE_TV_INPUT_VGA_1, INPUT_USAGE_KEYCODE_TV_AUDIO_DESCRIPTION, INPUT_USAGE_KEYCODE_TV_AUDIO_DESCRIPTION_MIX_UP, INPUT_USAGE_KEYCODE_TV_AUDIO_DESCRIPTION_MIX_DOWN, INPUT_USAGE_KEYCODE_TV_ZOOM_MODE, INPUT_USAGE_KEYCODE_TV_CONTENTS_MENU, INPUT_USAGE_KEYCODE_TV_MEDIA_CONTEXT_MENU, INPUT_USAGE_KEYCODE_TV_TIMER_PROGRAMMING, INPUT_USAGE_KEYCODE_HELP, // axes INPUT_USAGE_AXIS_X, INPUT_USAGE_AXIS_Y, INPUT_USAGE_AXIS_Z, INPUT_USAGE_AXIS_RX, INPUT_USAGE_AXIS_RY, INPUT_USAGE_AXIS_RZ, INPUT_USAGE_AXIS_HAT_X, INPUT_USAGE_AXIS_HAT_Y, INPUT_USAGE_AXIS_PRESSURE, INPUT_USAGE_AXIS_SIZE, INPUT_USAGE_AXIS_TOUCH_MAJOR, INPUT_USAGE_AXIS_TOUCH_MINOR, INPUT_USAGE_AXIS_TOOL_MAJOR, INPUT_USAGE_AXIS_TOOL_MINOR, INPUT_USAGE_AXIS_ORIENTATION, INPUT_USAGE_AXIS_VSCROLL, INPUT_USAGE_AXIS_HSCROLL, INPUT_USAGE_AXIS_LTRIGGER, INPUT_USAGE_AXIS_RTRIGGER, INPUT_USAGE_AXIS_THROTTLE, INPUT_USAGE_AXIS_RUDDER, INPUT_USAGE_AXIS_WHEEL, INPUT_USAGE_AXIS_GAS, INPUT_USAGE_AXIS_BRAKE, INPUT_USAGE_AXIS_DISTANCE, INPUT_USAGE_AXIS_TILT, INPUT_USAGE_AXIS_GENERIC_1, INPUT_USAGE_AXIS_GENERIC_2, INPUT_USAGE_AXIS_GENERIC_3, INPUT_USAGE_AXIS_GENERIC_4, INPUT_USAGE_AXIS_GENERIC_5, INPUT_USAGE_AXIS_GENERIC_6, INPUT_USAGE_AXIS_GENERIC_7, INPUT_USAGE_AXIS_GENERIC_8, INPUT_USAGE_AXIS_GENERIC_9, INPUT_USAGE_AXIS_GENERIC_10, INPUT_USAGE_AXIS_GENERIC_11, INPUT_USAGE_AXIS_GENERIC_12, INPUT_USAGE_AXIS_GENERIC_13, INPUT_USAGE_AXIS_GENERIC_14, INPUT_USAGE_AXIS_GENERIC_15, INPUT_USAGE_AXIS_GENERIC_16, // leds INPUT_USAGE_LED_NUM_LOCK, INPUT_USAGE_LED_CAPS_LOCK, INPUT_USAGE_LED_SCROLL_LOCK, INPUT_USAGE_LED_COMPOSE, INPUT_USAGE_LED_KANA, INPUT_USAGE_LED_SLEEP, INPUT_USAGE_LED_SUSPEND, INPUT_USAGE_LED_MUTE, INPUT_USAGE_LED_MISC, INPUT_USAGE_LED_MAIL, INPUT_USAGE_LED_CHARGING, INPUT_USAGE_LED_CONTROLLER_1, INPUT_USAGE_LED_CONTROLLER_2, INPUT_USAGE_LED_CONTROLLER_3, INPUT_USAGE_LED_CONTROLLER_4, // switches INPUT_USAGE_SWITCH_UNKNOWN, INPUT_USAGE_SWITCH_LID, INPUT_USAGE_SWITCH_KEYPAD_SLIDE, INPUT_USAGE_SWITCH_HEADPHONE_INSERT, INPUT_USAGE_SWITCH_MICROPHONE_INSERT, INPUT_USAGE_SWITCH_LINEOUT_INSERT, INPUT_USAGE_SWITCH_CAMERA_LENS_COVER, // mouse buttons // (see android.view.MotionEvent) INPUT_USAGE_BUTTON_UNKNOWN, INPUT_USAGE_BUTTON_PRIMARY, // left INPUT_USAGE_BUTTON_SECONDARY, // right INPUT_USAGE_BUTTON_TERTIARY, // middle INPUT_USAGE_BUTTON_FORWARD, INPUT_USAGE_BUTTON_BACK, } input_usage_t; typedef enum input_collection_id { INPUT_COLLECTION_ID_TOUCH, INPUT_COLLECTION_ID_KEYBOARD, INPUT_COLLECTION_ID_MOUSE, INPUT_COLLECTION_ID_TOUCHPAD, INPUT_COLLECTION_ID_SWITCH, // etc } input_collection_id_t; typedef struct input_message input_message_t; typedef struct input_host_callbacks { /** * Creates a device identifier with the given properties. * The unique ID should be a string that precisely identifies a given piece of hardware. For * example, an input device connected via Bluetooth could use its MAC address as its unique ID. */ input_device_identifier_t* (*create_device_identifier)(input_host_t* host, const char* name, int32_t product_id, int32_t vendor_id, input_bus_t bus, const char* unique_id); /** * Allocates the device definition which will describe the input capabilities of a device. A * device definition may be used to register as many devices as desired. */ input_device_definition_t* (*create_device_definition)(input_host_t* host); /** * Allocate either an input report, which the HAL will use to tell the host of incoming input * events, or an output report, which the host will use to tell the HAL of desired state * changes (e.g. setting an LED). */ input_report_definition_t* (*create_input_report_definition)(input_host_t* host); input_report_definition_t* (*create_output_report_definition)(input_host_t* host); /** * Frees the report definition. */ void (*free_report_definition)(input_host_t* host, input_report_definition_t* report_def); /** * Append the report to the given input device. */ void (*input_device_definition_add_report)(input_host_t* host, input_device_definition_t* d, input_report_definition_t* r); /** * Add a collection with the given arity and ID. A collection describes a set * of logically grouped properties such as the X and Y coordinates of a single finger touch or * the set of keys on a keyboard. The arity declares how many repeated instances of this * collection will appear in whatever report it is attached to. The ID describes the type of * grouping being represented by the collection. For example, a touchscreen capable of * reporting up to 2 fingers simultaneously might have a collection with the X and Y * coordinates, an arity of 2, and an ID of INPUT_COLLECTION_USAGE_TOUCHSCREEN. Any given ID * may only be present once for a given report. */ void (*input_report_definition_add_collection)(input_host_t* host, input_report_definition_t* report, input_collection_id_t id, int32_t arity); /** * Declare an int usage with the given properties. The report and collection defines where the * usage is being declared. */ void (*input_report_definition_declare_usage_int)(input_host_t* host, input_report_definition_t* report, input_collection_id_t id, input_usage_t usage, int32_t min, int32_t max, float resolution); /** * Declare a set of boolean usages with the given properties. The report and collection * defines where the usages are being declared. */ void (*input_report_definition_declare_usages_bool)(input_host_t* host, input_report_definition_t* report, input_collection_id_t id, input_usage_t* usage, size_t usage_count); /** * Register a given input device definition. This notifies the host that an input device has * been connected and gives a description of all its capabilities. */ input_device_handle_t* (*register_device)(input_host_t* host, input_device_identifier_t* id, input_device_definition_t* d); /** Unregister the given device */ void (*unregister_device)(input_host_t* host, input_device_handle_t* handle); /** * Allocate a report that will contain all of the state as described by the given report. */ input_report_t* (*input_allocate_report)(input_host_t* host, input_report_definition_t* r); /** * Add an int usage value to a report. */ void (*input_report_set_usage_int)(input_host_t* host, input_report_t* r, input_collection_id_t id, input_usage_t usage, int32_t value, int32_t arity_index); /** * Add a boolean usage value to a report. */ void (*input_report_set_usage_bool)(input_host_t* host, input_report_t* r, input_collection_id_t id, input_usage_t usage, bool value, int32_t arity_index); void (*report_event)(input_host_t* host, input_device_handle_t* d, input_report_t* report); /** * Retrieve the set of properties for the device. The returned * input_property_map_t* may be used to query specific properties via the * input_get_device_property callback. */ input_property_map_t* (*input_get_device_property_map)(input_host_t* host, input_device_identifier_t* id); /** * Retrieve a property for the device with the given key. Returns NULL if * the key does not exist, or an input_property_t* that must be freed using * input_free_device_property(). Using an input_property_t after the * corresponding input_property_map_t is freed is undefined. */ input_property_t* (*input_get_device_property)(input_host_t* host, input_property_map_t* map, const char* key); /** * Get the key for the input property. Returns NULL if the property is NULL. * The returned const char* is owned by the input_property_t. */ const char* (*input_get_property_key)(input_host_t* host, input_property_t* property); /** * Get the value for the input property. Returns NULL if the property is * NULL. The returned const char* is owned by the input_property_t. */ const char* (*input_get_property_value)(input_host_t* host, input_property_t* property); /** * Frees the input_property_t*. */ void (*input_free_device_property)(input_host_t* host, input_property_t* property); /** * Frees the input_property_map_t*. */ void (*input_free_device_property_map)(input_host_t* host, input_property_map_t* map); } input_host_callbacks_t; typedef struct input_module input_module_t; struct input_module { /** * Common methods of the input module. This *must* be the first member * of input_module as users of this structure will cast a hw_module_t * to input_module pointer in contexts where it's known * the hw_module_t references a input_module. */ struct hw_module_t common; /** * Initialize the module with host callbacks. At this point the HAL should start up whatever * infrastructure it needs to in order to process input events. */ void (*init)(const input_module_t* module, input_host_t* host, input_host_callbacks_t cb); /** * Sends an output report with a new set of state the host would like the given device to * assume. */ void (*notify_report)(const input_module_t* module, input_report_t* report); }; static inline int input_open(const struct hw_module_t** module, const char* type) { return hw_get_module_by_class(INPUT_HARDWARE_MODULE_ID, type, module); } __END_DECLS #endif /* ANDROID_INCLUDE_HARDWARE_INPUT_H */