Delete third_party/hwcplus/

third_party/hwcplus/include/hardware/hardware.h

-/*
- * Copyright (C) 2008 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_HARDWARE_H
-#define ANDROID_INCLUDE_HARDWARE_HARDWARE_H
-
-#include <stdint.h>
-#include <sys/cdefs.h>
-
-#include <cutils/native_handle.h>
-#include <system/graphics.h>
-
-__BEGIN_DECLS
-
-/*
- * Value for the hw_module_t.tag field
- */
-
-#define MAKE_TAG_CONSTANT(A,B,C,D) (((A) << 24) | ((B) << 16) | ((C) << 8) | (D))
-
-#define HARDWARE_MODULE_TAG MAKE_TAG_CONSTANT('H', 'W', 'M', 'T')
-#define HARDWARE_DEVICE_TAG MAKE_TAG_CONSTANT('H', 'W', 'D', 'T')
-
-#define HARDWARE_MAKE_API_VERSION(maj,min) \
-            ((((maj) & 0xff) << 8) | ((min) & 0xff))
-
-#define HARDWARE_MAKE_API_VERSION_2(maj,min,hdr) \
-            ((((maj) & 0xff) << 24) | (((min) & 0xff) << 16) | ((hdr) & 0xffff))
-#define HARDWARE_API_VERSION_2_MAJ_MIN_MASK 0xffff0000
-#define HARDWARE_API_VERSION_2_HEADER_MASK  0x0000ffff
-
-
-/*
- * The current HAL API version.
- *
- * All module implementations must set the hw_module_t.hal_api_version field
- * to this value when declaring the module with HAL_MODULE_INFO_SYM.
- *
- * Note that previous implementations have always set this field to 0.
- * Therefore, libhardware HAL API will always consider versions 0.0 and 1.0
- * to be 100% binary compatible.
- *
- */
-#define HARDWARE_HAL_API_VERSION HARDWARE_MAKE_API_VERSION(1, 0)
-
-/*
- * Helper macros for module implementors.
- *
- * The derived modules should provide convenience macros for supported
- * versions so that implementations can explicitly specify module/device
- * versions at definition time.
- *
- * Use this macro to set the hw_module_t.module_api_version field.
- */
-#define HARDWARE_MODULE_API_VERSION(maj,min) HARDWARE_MAKE_API_VERSION(maj,min)
-#define HARDWARE_MODULE_API_VERSION_2(maj,min,hdr) HARDWARE_MAKE_API_VERSION_2(maj,min,hdr)
-
-/*
- * Use this macro to set the hw_device_t.version field
- */
-#define HARDWARE_DEVICE_API_VERSION(maj,min) HARDWARE_MAKE_API_VERSION(maj,min)
-#define HARDWARE_DEVICE_API_VERSION_2(maj,min,hdr) HARDWARE_MAKE_API_VERSION_2(maj,min,hdr)
-
-struct hw_module_t;
-struct hw_module_methods_t;
-struct hw_device_t;
-
-/**
- * Every hardware module must have a data structure named HAL_MODULE_INFO_SYM
- * and the fields of this data structure must begin with hw_module_t
- * followed by module specific information.
- */
-typedef struct hw_module_t {
-    /** tag must be initialized to HARDWARE_MODULE_TAG */
-    uint32_t tag;
-
-    /**
-     * The API version of the implemented module. The module owner is
-     * responsible for updating the version when a module interface has
-     * changed.
-     *
-     * The derived modules such as gralloc and audio own and manage this field.
-     * The module user must interpret the version field to decide whether or
-     * not to inter-operate with the supplied module implementation.
-     * For example, SurfaceFlinger is responsible for making sure that
-     * it knows how to manage different versions of the gralloc-module API,
-     * and AudioFlinger must know how to do the same for audio-module API.
-     *
-     * The module API version should include a major and a minor component.
-     * For example, version 1.0 could be represented as 0x0100. This format
-     * implies that versions 0x0100-0x01ff are all API-compatible.
-     *
-     * In the future, libhardware will expose a hw_get_module_version()
-     * (or equivalent) function that will take minimum/maximum supported
-     * versions as arguments and would be able to reject modules with
-     * versions outside of the supplied range.
-     */
-    uint16_t module_api_version;
-#define version_major module_api_version
-    /**
-     * version_major/version_minor defines are supplied here for temporary
-     * source code compatibility. They will be removed in the next version.
-     * ALL clients must convert to the new version format.
-     */
-
-    /**
-     * The API version of the HAL module interface. This is meant to
-     * version the hw_module_t, hw_module_methods_t, and hw_device_t
-     * structures and definitions.
-     *
-     * The HAL interface owns this field. Module users/implementations
-     * must NOT rely on this value for version information.
-     *
-     * Presently, 0 is the only valid value.
-     */
-    uint16_t hal_api_version;
-#define version_minor hal_api_version
-
-    /** Identifier of module */
-    const char *id;
-
-    /** Name of this module */
-    const char *name;
-
-    /** Author/owner/implementor of the module */
-    const char *author;
-
-    /** Modules methods */
-    struct hw_module_methods_t* methods;
-
-    /** module's dso */
-    void* dso;
-
-    /** padding to 128 bytes, reserved for future use */
-    uint32_t reserved[32-7];
-
-} hw_module_t;
-
-typedef struct hw_module_methods_t {
-    /** Open a specific device */
-    int (*open)(const struct hw_module_t* module, const char* id,
-            struct hw_device_t** device);
-
-} hw_module_methods_t;
-
-/**
- * Every device data structure must begin with hw_device_t
- * followed by module specific public methods and attributes.
- */
-typedef struct hw_device_t {
-    /** tag must be initialized to HARDWARE_DEVICE_TAG */
-    uint32_t tag;
-
-    /**
-     * Version of the module-specific device API. This value is used by
-     * the derived-module user to manage different device implementations.
-     *
-     * The module user is responsible for checking the module_api_version
-     * and device version fields to ensure that the user is capable of
-     * communicating with the specific module implementation.
-     *
-     * One module can support multiple devices with different versions. This
-     * can be useful when a device interface changes in an incompatible way
-     * but it is still necessary to support older implementations at the same
-     * time. One such example is the Camera 2.0 API.
-     *
-     * This field is interpreted by the module user and is ignored by the
-     * HAL interface itself.
-     */
-    uint32_t version;
-
-    /** reference to the module this device belongs to */
-    struct hw_module_t* module;
-
-    /** padding reserved for future use */
-    uint32_t reserved[12];
-
-    /** Close this device */
-    int (*close)(struct hw_device_t* device);
-
-} hw_device_t;
-
-/**
- * Name of the hal_module_info
- */
-#define HAL_MODULE_INFO_SYM         HMI
-
-/**
- * Name of the hal_module_info as a string
- */
-#define HAL_MODULE_INFO_SYM_AS_STR  "HMI"
-
-/**
- * Get the module info associated with a module by id.
- *
- * @return: 0 == success, <0 == error and *module == NULL
- */
-int hw_get_module(const char *id, const struct hw_module_t **module);
-
-/**
- * Get the module info associated with a module instance by class 'class_id'
- * and instance 'inst'.
- *
- * Some modules types necessitate multiple instances. For example audio supports
- * multiple concurrent interfaces and thus 'audio' is the module class
- * and 'primary' or 'a2dp' are module interfaces. This implies that the files
- * providing these modules would be named audio.primary.<variant>.so and
- * audio.a2dp.<variant>.so
- *
- * @return: 0 == success, <0 == error and *module == NULL
- */
-int hw_get_module_by_class(const char *class_id, const char *inst,
-                           const struct hw_module_t **module);
-
-/**
- * Provide a function to handle log messages.
- */
-typedef int (*hwcplus_log_fn_t)(int prio, const char* tag, const char* msg);
-void hwcplus_set_log_fn(hwcplus_log_fn_t fn);
-
-__END_DECLS
-
-#endif  /* ANDROID_INCLUDE_HARDWARE_HARDWARE_H */