auto import from //depot/cupcake/@135843
This commit is contained in:
The Android Open Source Project
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b5d75924d7
commit
d51f49a11d
12 changed files with 0 additions and 1729 deletions
35
Android.mk
35
Android.mk
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@ -1,35 +0,0 @@
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# Copyright 2006 The Android Open Source Project
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# Setting LOCAL_PATH will mess up all-subdir-makefiles, so do it beforehand.
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SAVE_MAKEFILES := $(call all-subdir-makefiles)
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LOCAL_PATH:= $(call my-dir)
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include $(CLEAR_VARS)
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LOCAL_SHARED_LIBRARIES := libcutils
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LOCAL_INCLUDES += $(LOCAL_PATH)
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ifneq ($(TARGET_SIMULATOR),true)
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LOCAL_CFLAGS += -DQEMU_HARDWARE
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QEMU_HARDWARE := true
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endif
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ifneq ($(TARGET_SIMULATOR),true)
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LOCAL_SHARED_LIBRARIES += libdl
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endif
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include $(SAVE_MAKEFILES)
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LOCAL_SRC_FILES += hardware.c
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# need "-lrt" on Linux simulator to pick up clock_gettime
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ifeq ($(TARGET_SIMULATOR),true)
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ifeq ($(HOST_OS),linux)
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LOCAL_LDLIBS += -lrt -lpthread -ldl
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endif
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endif
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LOCAL_MODULE:= libhardware
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include $(BUILD_SHARED_LIBRARY)
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190
NOTICE
190
NOTICE
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|
@ -1,190 +0,0 @@
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|||
|
||||
Copyright (c) 2005-2008, The Android Open Source Project
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||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
|
||||
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.
|
||||
|
||||
|
||||
Apache License
|
||||
Version 2.0, January 2004
|
||||
http://www.apache.org/licenses/
|
||||
|
||||
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||
|
||||
1. Definitions.
|
||||
|
||||
"License" shall mean the terms and conditions for use, reproduction,
|
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and distribution as defined by Sections 1 through 9 of this document.
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|
||||
"Licensor" shall mean the copyright owner or entity authorized by
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the copyright owner that is granting the License.
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|
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"Legal Entity" shall mean the union of the acting entity and all
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other entities that control, are controlled by, or are under common
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control with that entity. For the purposes of this definition,
|
||||
"control" means (i) the power, direct or indirect, to cause the
|
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direction or management of such entity, whether by contract or
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otherwise, or (ii) ownership of fifty percent (50%) or more of the
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outstanding shares, or (iii) beneficial ownership of such entity.
|
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|
||||
"You" (or "Your") shall mean an individual or Legal Entity
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exercising permissions granted by this License.
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"Source" form shall mean the preferred form for making modifications,
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including but not limited to software source code, documentation
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source, and configuration files.
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|
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"Object" form shall mean any form resulting from mechanical
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transformation or translation of a Source form, including but
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not limited to compiled object code, generated documentation,
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and conversions to other media types.
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"Work" shall mean the work of authorship, whether in Source or
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Object form, made available under the License, as indicated by a
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copyright notice that is included in or attached to the work
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(an example is provided in the Appendix below).
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"Derivative Works" shall mean any work, whether in Source or Object
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the Work and Derivative Works thereof.
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"Contribution" shall mean any work of authorship, including
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the original version of the Work and any modifications or additions
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to that Work or Derivative Works thereof, that is intentionally
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communication on electronic mailing lists, source code control systems,
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"Contributor" shall mean Licensor and any individual or Legal Entity
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2. Grant of Copyright License. Subject to the terms and conditions of
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this License, each Contributor hereby grants to You a perpetual,
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worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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3. Grant of Patent License. Subject to the terms and conditions of
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this License, each Contributor hereby grants to You a perpetual,
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worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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use, offer to sell, sell, import, and otherwise transfer the Work,
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where such license applies only to those patent claims licensable
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institute patent litigation against any entity (including a
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cross-claim or counterclaim in a lawsuit) alleging that the Work
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or a Contribution incorporated within the Work constitutes direct
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or contributory patent infringement, then any patent licenses
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granted to You under this License for that Work shall terminate
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as of the date such litigation is filed.
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4. Redistribution. You may reproduce and distribute copies of the
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Work or Derivative Works thereof in any medium, with or without
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modifications, and in Source or Object form, provided that You
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meet the following conditions:
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|
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(a) You must give any other recipients of the Work or
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Derivative Works a copy of this License; and
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|
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(b) You must cause any modified files to carry prominent notices
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stating that You changed the files; and
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(c) You must retain, in the Source form of any Derivative Works
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that You distribute, all copyright, patent, trademark, and
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attribution notices from the Source form of the Work,
|
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excluding those notices that do not pertain to any part of
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the Derivative Works; and
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(d) If the Work includes a "NOTICE" text file as part of its
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distribution, then any Derivative Works that You distribute must
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include a readable copy of the attribution notices contained
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within such NOTICE file, excluding those notices that do not
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pertain to any part of the Derivative Works, in at least one
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of the following places: within a NOTICE text file distributed
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as part of the Derivative Works; within the Source form or
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documentation, if provided along with the Derivative Works; or,
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within a display generated by the Derivative Works, if and
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wherever such third-party notices normally appear. The contents
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of the NOTICE file are for informational purposes only and
|
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do not modify the License. You may add Your own attribution
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notices within Derivative Works that You distribute, alongside
|
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or as an addendum to the NOTICE text from the Work, provided
|
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that such additional attribution notices cannot be construed
|
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as modifying the License.
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|
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You may add Your own copyright statement to Your modifications and
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may provide additional or different license terms and conditions
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for use, reproduction, or distribution of Your modifications, or
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for any such Derivative Works as a whole, provided Your use,
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reproduction, and distribution of the Work otherwise complies with
|
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the conditions stated in this License.
|
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|
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5. Submission of Contributions. Unless You explicitly state otherwise,
|
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any Contribution intentionally submitted for inclusion in the Work
|
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by You to the Licensor shall be under the terms and conditions of
|
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this License, without any additional terms or conditions.
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Notwithstanding the above, nothing herein shall supersede or modify
|
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the terms of any separate license agreement you may have executed
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with Licensor regarding such Contributions.
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6. Trademarks. This License does not grant permission to use the trade
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names, trademarks, service marks, or product names of the Licensor,
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except as required for reasonable and customary use in describing the
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origin of the Work and reproducing the content of the NOTICE file.
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7. Disclaimer of Warranty. Unless required by applicable law or
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agreed to in writing, Licensor provides the Work (and each
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Contributor provides its Contributions) on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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implied, including, without limitation, any warranties or conditions
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of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
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PARTICULAR PURPOSE. You are solely responsible for determining the
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appropriateness of using or redistributing the Work and assume any
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risks associated with Your exercise of permissions under this License.
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8. Limitation of Liability. In no event and under no legal theory,
|
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whether in tort (including negligence), contract, or otherwise,
|
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unless required by applicable law (such as deliberate and grossly
|
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negligent acts) or agreed to in writing, shall any Contributor be
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liable to You for damages, including any direct, indirect, special,
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incidental, or consequential damages of any character arising as a
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Work (including but not limited to damages for loss of goodwill,
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work stoppage, computer failure or malfunction, or any and all
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has been advised of the possibility of such damages.
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9. Accepting Warranty or Additional Liability. While redistributing
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defend, and hold each Contributor harmless for any liability
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incurred by, or claims asserted against, such Contributor by reason
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of your accepting any such warranty or additional liability.
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|
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END OF TERMS AND CONDITIONS
|
||||
|
||||
167
hardware.c
167
hardware.c
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|
@ -1,167 +0,0 @@
|
|||
/*
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||||
* Copyright (C) 2008 The Android Open Source Project
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||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#include <hardware/hardware.h>
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||||
|
||||
#include <cutils/properties.h>
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||||
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||||
#include <dlfcn.h>
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||||
#include <string.h>
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||||
#include <pthread.h>
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||||
#include <errno.h>
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||||
#include <limits.h>
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||||
#define LOG_TAG "HAL"
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||||
#include <utils/Log.h>
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/** Base path of the hal modules */
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#define HAL_LIBRARY_PATH "/system/lib/hw"
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/**
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* There are a set of variant filename for modules. The form of the filename
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* is "<MODULE_ID>.variant.so" so for the led module the Dream variants
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||||
* of base "ro.product.board", "ro.board.platform" and "ro.arch" would be:
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||||
*
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||||
* led.trout.so
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||||
* led.msm7k.so
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||||
* led.ARMV6.so
|
||||
* led.default.so
|
||||
*/
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||||
|
||||
#define HAL_DEFAULT_VARIANT "default"
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||||
#define HAL_VARIANT_KEYS_COUNT 4
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static const char *variant_keys[HAL_VARIANT_KEYS_COUNT] = {
|
||||
"ro.product.board",
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||||
"ro.board.platform",
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||||
"ro.arch",
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HAL_DEFAULT_VARIANT
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||||
};
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||||
/**
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* Load the file defined by the path and if succesfull
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* return the dlopen handle and the hmi.
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* @return 0 = success, !0 = failure.
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*/
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static int load(const char *id,
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const char *path,
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void **pHandle,
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const struct hw_module_t **pHmi)
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{
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||||
int status;
|
||||
void *handle;
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||||
const struct hw_module_t *hmi;
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LOGV("load: E id=%s path=%s", id, path);
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|
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/*
|
||||
* load the symbols resolving undefined symbols before
|
||||
* dlopen returns. Since RTLD_GLOBAL is not or'd in with
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* RTLD_NOW the external symbols will not be global
|
||||
*/
|
||||
handle = dlopen(path, RTLD_NOW);
|
||||
if (handle == NULL) {
|
||||
char const *err_str = dlerror();
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LOGW("load: module=%s error=%s", path, err_str);
|
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status = -EINVAL;
|
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goto done;
|
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}
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/* Get the address of the struct hal_module_info. */
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const char *sym = HAL_MODULE_INFO_SYM_AS_STR;
|
||||
hmi = (const struct hw_module_t *)dlsym(handle, sym);
|
||||
if (hmi == NULL) {
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char const *err_str = dlerror();
|
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LOGE("load: couldn't find symbol %s", sym);
|
||||
status = -EINVAL;
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goto done;
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}
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|
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/* Check that the id matches */
|
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if (strcmp(id, hmi->id) != 0) {
|
||||
LOGE("load: id=%s != hmi->id=%s", id, hmi->id);
|
||||
status = -EINVAL;
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goto done;
|
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}
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/* success */
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||||
status = 0;
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||||
done:
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if (status != 0) {
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hmi = NULL;
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if (handle != NULL) {
|
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dlclose(handle);
|
||||
handle = NULL;
|
||||
}
|
||||
}
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|
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*pHmi = hmi;
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||||
*pHandle = handle;
|
||||
|
||||
LOGV("load: X id=%s path=%s hmi=%p pHandle=%p status=%d",
|
||||
id, path, *pHmi, *pHandle, status);
|
||||
return status;
|
||||
}
|
||||
|
||||
int hw_get_module(const char *id, const struct hw_module_t **module)
|
||||
{
|
||||
int status;
|
||||
const struct hw_module_t *hmi = NULL;
|
||||
char path[PATH_MAX];
|
||||
char variant[PATH_MAX];
|
||||
void *handle = NULL;
|
||||
int i;
|
||||
|
||||
/*
|
||||
* Here we rely on the fact that calling dlopen multiple times on
|
||||
* the same .so will simply increment a refcount (and not load
|
||||
* a new copy of the library).
|
||||
* We also assume that dlopen() is thread-safe.
|
||||
*/
|
||||
|
||||
LOGV("hal_module_info_get: Load module id=%s", id);
|
||||
|
||||
/* Loop through the configuration variants looking for a module */
|
||||
status = -EINVAL;
|
||||
for (i = 0; (status != 0) && (i < HAL_VARIANT_KEYS_COUNT); i++) {
|
||||
|
||||
/* Get variant or default */
|
||||
if (strcmp(variant_keys[i], HAL_DEFAULT_VARIANT) == 0) {
|
||||
strncpy(variant, HAL_DEFAULT_VARIANT, sizeof(variant)-1);
|
||||
variant[sizeof(variant)-1] = 0;
|
||||
} else {
|
||||
if (property_get(variant_keys[i], variant, NULL) == 0) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
/* Construct the path then try to load */
|
||||
snprintf(path, sizeof(path), "%s/%s.%s.so",
|
||||
HAL_LIBRARY_PATH, id, variant);
|
||||
status = load(id, path, &handle, &hmi);
|
||||
}
|
||||
if (status != 0) {
|
||||
hmi = NULL;
|
||||
if (handle != NULL) {
|
||||
dlclose(handle);
|
||||
}
|
||||
}
|
||||
|
||||
*module = hmi;
|
||||
LOGV("hal_module_info_get: X id=%s hmi=%p status=%d", id, hmi, status);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
|
@ -1,216 +0,0 @@
|
|||
/*
|
||||
* 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_COPYBIT_INTERFACE_H
|
||||
#define ANDROID_COPYBIT_INTERFACE_H
|
||||
|
||||
#include <hardware/hardware.h>
|
||||
|
||||
#include <stdint.h>
|
||||
#include <sys/cdefs.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
/**
|
||||
* The id of this module
|
||||
*/
|
||||
#define COPYBIT_HARDWARE_MODULE_ID "copybit"
|
||||
|
||||
/**
|
||||
* Name of the graphics device to open
|
||||
*/
|
||||
#define COPYBIT_HARDWARE_COPYBIT0 "copybit0"
|
||||
|
||||
/* supported pixel-formats. these must be compatible with
|
||||
* graphics/PixelFormat.java, ui/PixelFormat.h, pixelflinger/format.h
|
||||
*/
|
||||
enum {
|
||||
COPYBIT_FORMAT_RGBA_8888 = HAL_PIXEL_FORMAT_RGBA_8888,
|
||||
COPYBIT_FORMAT_RGB_565 = HAL_PIXEL_FORMAT_RGB_565,
|
||||
COPYBIT_FORMAT_BGRA_8888 = HAL_PIXEL_FORMAT_BGRA_8888,
|
||||
COPYBIT_FORMAT_RGBA_5551 = HAL_PIXEL_FORMAT_RGBA_5551,
|
||||
COPYBIT_FORMAT_RGBA_4444 = HAL_PIXEL_FORMAT_RGBA_4444,
|
||||
COPYBIT_FORMAT_YCbCr_422_SP = HAL_PIXEL_FORMAT_YCbCr_422_SP,
|
||||
COPYBIT_FORMAT_YCbCr_420_SP = HAL_PIXEL_FORMAT_YCbCr_420_SP,
|
||||
};
|
||||
|
||||
/* name for copybit_set_parameter */
|
||||
enum {
|
||||
/* rotation of the source image in degrees (0 to 359) */
|
||||
COPYBIT_ROTATION_DEG = 1,
|
||||
/* plane alpha value */
|
||||
COPYBIT_PLANE_ALPHA = 2,
|
||||
/* enable or disable dithering */
|
||||
COPYBIT_DITHER = 3,
|
||||
/* transformation applied (this is a superset of COPYBIT_ROTATION_DEG) */
|
||||
COPYBIT_TRANSFORM = 4,
|
||||
};
|
||||
|
||||
/* values for copybit_set_parameter(COPYBIT_TRANSFORM) */
|
||||
enum {
|
||||
/* flip source image horizontally */
|
||||
COPYBIT_TRANSFORM_FLIP_H = HAL_TRANSFORM_FLIP_H,
|
||||
/* flip source image vertically */
|
||||
COPYBIT_TRANSFORM_FLIP_V = HAL_TRANSFORM_FLIP_V,
|
||||
/* rotate source image 90 degres */
|
||||
COPYBIT_TRANSFORM_ROT_90 = HAL_TRANSFORM_ROT_90,
|
||||
/* rotate source image 180 degres */
|
||||
COPYBIT_TRANSFORM_ROT_180 = HAL_TRANSFORM_ROT_180,
|
||||
/* rotate source image 270 degres */
|
||||
COPYBIT_TRANSFORM_ROT_270 = HAL_TRANSFORM_ROT_270,
|
||||
};
|
||||
|
||||
/* enable/disable value copybit_set_parameter */
|
||||
enum {
|
||||
COPYBIT_DISABLE = 0,
|
||||
COPYBIT_ENABLE = 1
|
||||
};
|
||||
|
||||
/* use get_static_info() to query static informations about the hardware */
|
||||
enum {
|
||||
/* Maximum amount of minification supported by the hardware*/
|
||||
COPYBIT_MINIFICATION_LIMIT = 1,
|
||||
/* Maximum amount of magnification supported by the hardware */
|
||||
COPYBIT_MAGNIFICATION_LIMIT = 2,
|
||||
/* Number of fractional bits support by the scaling engine */
|
||||
COPYBIT_SCALING_FRAC_BITS = 3,
|
||||
/* Supported rotation step in degres. */
|
||||
COPYBIT_ROTATION_STEP_DEG = 4,
|
||||
};
|
||||
|
||||
/* Image structure */
|
||||
struct copybit_image_t {
|
||||
/* width */
|
||||
uint32_t w;
|
||||
/* height */
|
||||
uint32_t h;
|
||||
/* format COPYBIT_FORMAT_xxx */
|
||||
int32_t format;
|
||||
/* offset from base to first pixel */
|
||||
uint32_t offset;
|
||||
/* base of buffer with image */
|
||||
void *base;
|
||||
/* file descriptor for image */
|
||||
int fd;
|
||||
};
|
||||
|
||||
/* Rectangle */
|
||||
struct copybit_rect_t {
|
||||
/* left */
|
||||
int l;
|
||||
/* top */
|
||||
int t;
|
||||
/* right */
|
||||
int r;
|
||||
/* bottom */
|
||||
int b;
|
||||
};
|
||||
|
||||
/* Region */
|
||||
struct copybit_region_t {
|
||||
int (*next)(struct copybit_region_t const *region, struct copybit_rect_t *rect);
|
||||
};
|
||||
|
||||
/**
|
||||
* 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.
|
||||
*/
|
||||
struct copybit_module_t {
|
||||
struct hw_module_t common;
|
||||
};
|
||||
|
||||
/**
|
||||
* Every device data structure must begin with hw_device_t
|
||||
* followed by module specific public methods and attributes.
|
||||
*/
|
||||
struct copybit_device_t {
|
||||
struct hw_device_t common;
|
||||
|
||||
/**
|
||||
* Set a copybit parameter.
|
||||
*
|
||||
* @param dev from open
|
||||
* @param name one for the COPYBIT_NAME_xxx
|
||||
* @param value one of the COPYBIT_VALUE_xxx
|
||||
*
|
||||
* @return 0 if successful
|
||||
*/
|
||||
int (*set_parameter)(struct copybit_device_t *dev, int name, int value);
|
||||
|
||||
/**
|
||||
* Get a static copybit information.
|
||||
*
|
||||
* @param dev from open
|
||||
* @param name one of the COPYBIT_STATIC_xxx
|
||||
*
|
||||
* @return value or -EINVAL if error
|
||||
*/
|
||||
int (*get)(struct copybit_device_t *dev, int name);
|
||||
|
||||
/**
|
||||
* Execute the bit blit copy operation
|
||||
*
|
||||
* @param dev from open
|
||||
* @param dst is the destination image
|
||||
* @param src is the source image
|
||||
* @param region the clip region
|
||||
*
|
||||
* @return 0 if successful
|
||||
*/
|
||||
int (*blit)(struct copybit_device_t *dev,
|
||||
struct copybit_image_t const *dst,
|
||||
struct copybit_image_t const *src,
|
||||
struct copybit_region_t const *region);
|
||||
|
||||
/**
|
||||
* Execute the stretch bit blit copy operation
|
||||
*
|
||||
* @param dev from open
|
||||
* @param dst is the destination image
|
||||
* @param src is the source image
|
||||
* @param dst_rect is the destination rectangle
|
||||
* @param src_rect is the source rectangle
|
||||
* @param region the clip region
|
||||
*
|
||||
* @return 0 if successful
|
||||
*/
|
||||
int (*stretch)(struct copybit_device_t *dev,
|
||||
struct copybit_image_t const *dst,
|
||||
struct copybit_image_t const *src,
|
||||
struct copybit_rect_t const *dst_rect,
|
||||
struct copybit_rect_t const *src_rect,
|
||||
struct copybit_region_t const *region);
|
||||
};
|
||||
|
||||
|
||||
/** convenience API for opening and closing a device */
|
||||
|
||||
static inline int copybit_open(const struct hw_module_t* module,
|
||||
struct copybit_device_t** device) {
|
||||
return module->methods->open(module,
|
||||
COPYBIT_HARDWARE_COPYBIT0, (struct hw_device_t**)device);
|
||||
}
|
||||
|
||||
static inline int copybit_close(struct copybit_device_t* device) {
|
||||
return device->common.close(&device->common);
|
||||
}
|
||||
|
||||
|
||||
__END_DECLS
|
||||
|
||||
#endif // ANDROID_COPYBIT_INTERFACE_H
|
||||
|
|
@ -1,148 +0,0 @@
|
|||
/*
|
||||
* 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>
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
/*
|
||||
* Value for the hw_module_t.tag field
|
||||
*/
|
||||
#define HARDWARE_MODULE_TAG 'HWMT'
|
||||
#define HARDWARE_DEVICE_TAG 'HWDT'
|
||||
|
||||
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.
|
||||
*/
|
||||
struct hw_module_t {
|
||||
/** tag must be initialized to HARDWARE_MODULE_TAG */
|
||||
uint32_t tag;
|
||||
|
||||
/** major version number for the module */
|
||||
uint16_t version_major;
|
||||
|
||||
/** minor version number of the module */
|
||||
uint16_t version_minor;
|
||||
|
||||
/** 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;
|
||||
|
||||
/** padding to 128 bytes, reserved for future use */
|
||||
uint32_t reserved[32-6];
|
||||
};
|
||||
|
||||
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);
|
||||
};
|
||||
|
||||
/**
|
||||
* Every device data structure must begin with hw_device_t
|
||||
* followed by module specific public methods and attributes.
|
||||
*/
|
||||
struct hw_device_t {
|
||||
/** tag must be initialized to HARDWARE_DEVICE_TAG */
|
||||
uint32_t tag;
|
||||
|
||||
/** version number for hw_device_t */
|
||||
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);
|
||||
};
|
||||
|
||||
/**
|
||||
* 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 *pHmi == NULL
|
||||
*/
|
||||
int hw_get_module(const char *id, const struct hw_module_t **module);
|
||||
|
||||
|
||||
/**
|
||||
* pixel format definitions
|
||||
*/
|
||||
|
||||
enum {
|
||||
HAL_PIXEL_FORMAT_RGBA_8888 = 1,
|
||||
HAL_PIXEL_FORMAT_RGB_565 = 4,
|
||||
HAL_PIXEL_FORMAT_BGRA_8888 = 5,
|
||||
HAL_PIXEL_FORMAT_RGBA_5551 = 6,
|
||||
HAL_PIXEL_FORMAT_RGBA_4444 = 7,
|
||||
HAL_PIXEL_FORMAT_YCbCr_422_SP = 0x10,
|
||||
HAL_PIXEL_FORMAT_YCbCr_420_SP = 0x11,
|
||||
HAL_PIXEL_FORMAT_YCbCr_422_P = 0x12,
|
||||
HAL_PIXEL_FORMAT_YCbCr_420_P = 0x13,
|
||||
HAL_PIXEL_FORMAT_YCbCr_422_I = 0x14,
|
||||
HAL_PIXEL_FORMAT_YCbCr_420_I = 0x15
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Transformation definitions
|
||||
*/
|
||||
|
||||
enum {
|
||||
/* flip source image horizontally */
|
||||
HAL_TRANSFORM_FLIP_H = 0x01,
|
||||
/* flip source image vertically */
|
||||
HAL_TRANSFORM_FLIP_V = 0x02,
|
||||
/* rotate source image 90 degres */
|
||||
HAL_TRANSFORM_ROT_90 = 0x04,
|
||||
/* rotate source image 180 degres */
|
||||
HAL_TRANSFORM_ROT_180 = 0x03,
|
||||
/* rotate source image 270 degres */
|
||||
HAL_TRANSFORM_ROT_270 = 0x07,
|
||||
};
|
||||
|
||||
__END_DECLS
|
||||
|
||||
#endif /* ANDROID_INCLUDE_HARDWARE_HARDWARE_H */
|
||||
|
|
@ -1,225 +0,0 @@
|
|||
/*
|
||||
* 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_OVERLAY_INTERFACE_H
|
||||
#define ANDROID_OVERLAY_INTERFACE_H
|
||||
|
||||
#include <cutils/native_handle.h>
|
||||
|
||||
#include <hardware/hardware.h>
|
||||
|
||||
#include <stdint.h>
|
||||
#include <sys/cdefs.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
/**
|
||||
* The id of this module
|
||||
*/
|
||||
#define OVERLAY_HARDWARE_MODULE_ID "overlay"
|
||||
|
||||
/**
|
||||
* Name of the overlay device to open
|
||||
*/
|
||||
#define OVERLAY_HARDWARE_CONTROL "control"
|
||||
#define OVERLAY_HARDWARE_DATA "data"
|
||||
|
||||
/*****************************************************************************/
|
||||
|
||||
/* possible overlay formats */
|
||||
enum {
|
||||
OVERLAY_FORMAT_RGBA_8888 = HAL_PIXEL_FORMAT_RGBA_8888,
|
||||
OVERLAY_FORMAT_RGB_565 = HAL_PIXEL_FORMAT_RGB_565,
|
||||
OVERLAY_FORMAT_BGRA_8888 = HAL_PIXEL_FORMAT_BGRA_8888,
|
||||
OVERLAY_FORMAT_YCbCr_422_I = HAL_PIXEL_FORMAT_YCbCr_422_I,
|
||||
OVERLAY_FORMAT_YCbCr_420_I = HAL_PIXEL_FORMAT_YCbCr_420_I
|
||||
};
|
||||
|
||||
/* values for copybit_set_parameter(OVERLAY_TRANSFORM) */
|
||||
enum {
|
||||
/* flip source image horizontally */
|
||||
OVERLAY_TRANSFORM_FLIP_H = HAL_TRANSFORM_FLIP_V,
|
||||
/* flip source image vertically */
|
||||
OVERLAY_TRANSFORM_FLIP_V = HAL_TRANSFORM_FLIP_H,
|
||||
/* rotate source image 90 degrees */
|
||||
OVERLAY_TRANSFORM_ROT_90 = HAL_TRANSFORM_ROT_90,
|
||||
/* rotate source image 180 degrees */
|
||||
OVERLAY_TRANSFORM_ROT_180 = HAL_TRANSFORM_ROT_180,
|
||||
/* rotate source image 270 degrees */
|
||||
OVERLAY_TRANSFORM_ROT_270 = HAL_TRANSFORM_ROT_270
|
||||
};
|
||||
|
||||
/* names for setParameter() */
|
||||
enum {
|
||||
/* rotation of the source image in degrees (0 to 359) */
|
||||
OVERLAY_ROTATION_DEG = 1,
|
||||
/* enable or disable dithering */
|
||||
OVERLAY_DITHER = 3,
|
||||
/* transformation applied (this is a superset of COPYBIT_ROTATION_DEG) */
|
||||
OVERLAY_TRANSFORM = 4,
|
||||
};
|
||||
|
||||
/* enable/disable value setParameter() */
|
||||
enum {
|
||||
OVERLAY_DISABLE = 0,
|
||||
OVERLAY_ENABLE = 1
|
||||
};
|
||||
|
||||
/* names for get() */
|
||||
enum {
|
||||
/* Maximum amount of minification supported by the hardware*/
|
||||
OVERLAY_MINIFICATION_LIMIT = 1,
|
||||
/* Maximum amount of magnification supported by the hardware */
|
||||
OVERLAY_MAGNIFICATION_LIMIT = 2,
|
||||
/* Number of fractional bits support by the overlay scaling engine */
|
||||
OVERLAY_SCALING_FRAC_BITS = 3,
|
||||
/* Supported rotation step in degrees. */
|
||||
OVERLAY_ROTATION_STEP_DEG = 4,
|
||||
/* horizontal alignment in pixels */
|
||||
OVERLAY_HORIZONTAL_ALIGNMENT = 5,
|
||||
/* vertical alignment in pixels */
|
||||
OVERLAY_VERTICAL_ALIGNMENT = 6,
|
||||
/* width alignment restrictions. negative number for max. power-of-two */
|
||||
OVERLAY_WIDTH_ALIGNMENT = 7,
|
||||
/* height alignment restrictions. negative number for max. power-of-two */
|
||||
OVERLAY_HEIGHT_ALIGNMENT = 8,
|
||||
};
|
||||
|
||||
/*****************************************************************************/
|
||||
|
||||
/* opaque reference to an Overlay kernel object */
|
||||
typedef const native_handle* overlay_handle_t;
|
||||
|
||||
typedef struct overlay_t {
|
||||
uint32_t w;
|
||||
uint32_t h;
|
||||
int32_t format;
|
||||
uint32_t w_stride;
|
||||
uint32_t h_stride;
|
||||
uint32_t reserved[3];
|
||||
/* returns a reference to this overlay's handle (the caller doesn't
|
||||
* take ownership) */
|
||||
overlay_handle_t (*getHandleRef)(struct overlay_t* overlay);
|
||||
uint32_t reserved_procs[7];
|
||||
} overlay_t;
|
||||
|
||||
typedef void* overlay_buffer_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.
|
||||
*/
|
||||
struct overlay_module_t {
|
||||
struct hw_module_t common;
|
||||
};
|
||||
|
||||
/*****************************************************************************/
|
||||
|
||||
/**
|
||||
* Every device data structure must begin with hw_device_t
|
||||
* followed by module specific public methods and attributes.
|
||||
*/
|
||||
|
||||
struct overlay_control_device_t {
|
||||
struct hw_device_t common;
|
||||
|
||||
/* get static informations about the capabilities of the overlay engine */
|
||||
int (*get)(struct overlay_control_device_t *dev, int name);
|
||||
|
||||
/* creates an overlay matching the given parameters as closely as possible.
|
||||
* returns an error if no more overlays are available. The actual
|
||||
* size and format is returned in overlay_t. */
|
||||
overlay_t* (*createOverlay)(struct overlay_control_device_t *dev,
|
||||
uint32_t w, uint32_t h, int32_t format);
|
||||
|
||||
/* destroys an overlay. This call releases all
|
||||
* resources associated with overlay_t and make it invalid */
|
||||
void (*destroyOverlay)(struct overlay_control_device_t *dev,
|
||||
overlay_t* overlay);
|
||||
|
||||
/* set position and scaling of the given overlay as closely as possible.
|
||||
* if scaling cannot be performed, overlay must be centered. */
|
||||
int (*setPosition)(struct overlay_control_device_t *dev,
|
||||
overlay_t* overlay,
|
||||
int x, int y, uint32_t w, uint32_t h);
|
||||
|
||||
/* returns the actual position and size of the overlay */
|
||||
int (*getPosition)(struct overlay_control_device_t *dev,
|
||||
overlay_t* overlay,
|
||||
int* x, int* y, uint32_t* w, uint32_t* h);
|
||||
|
||||
/* sets configurable parameters for this overlay. returns an error if not
|
||||
* supported. */
|
||||
int (*setParameter)(struct overlay_control_device_t *dev,
|
||||
overlay_t* overlay, int param, int value);
|
||||
};
|
||||
|
||||
|
||||
struct overlay_data_device_t {
|
||||
struct hw_device_t common;
|
||||
|
||||
/* initialize the overlay from the given handle. this associates this
|
||||
* overlay data module to its control module */
|
||||
int (*initialize)(struct overlay_data_device_t *dev,
|
||||
overlay_handle_t handle);
|
||||
|
||||
/* blocks until an overlay buffer is available and return that buffer. */
|
||||
int (*dequeueBuffer)(struct overlay_data_device_t *dev,
|
||||
overlay_buffer_t *buf);
|
||||
|
||||
/* release the overlay buffer and post it */
|
||||
int (*queueBuffer)(struct overlay_data_device_t *dev,
|
||||
overlay_buffer_t buffer);
|
||||
|
||||
/* returns the address of a given buffer if supported, NULL otherwise. */
|
||||
void* (*getBufferAddress)(struct overlay_data_device_t *dev,
|
||||
overlay_buffer_t buffer);
|
||||
|
||||
int (*getBufferCount)(struct overlay_data_device_t *dev);
|
||||
};
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
|
||||
/** convenience API for opening and closing a device */
|
||||
|
||||
static inline int overlay_control_open(const struct hw_module_t* module,
|
||||
struct overlay_control_device_t** device) {
|
||||
return module->methods->open(module,
|
||||
OVERLAY_HARDWARE_CONTROL, (struct hw_device_t**)device);
|
||||
}
|
||||
|
||||
static inline int overlay_control_close(struct overlay_control_device_t* device) {
|
||||
return device->common.close(&device->common);
|
||||
}
|
||||
|
||||
static inline int overlay_data_open(const struct hw_module_t* module,
|
||||
struct overlay_data_device_t** device) {
|
||||
return module->methods->open(module,
|
||||
OVERLAY_HARDWARE_DATA, (struct hw_device_t**)device);
|
||||
}
|
||||
|
||||
static inline int overlay_data_close(struct overlay_data_device_t* device) {
|
||||
return device->common.close(&device->common);
|
||||
}
|
||||
|
||||
__END_DECLS
|
||||
|
||||
#endif // ANDROID_OVERLAY_INTERFACE_H
|
||||
|
|
@ -1,375 +0,0 @@
|
|||
/*
|
||||
* 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_SENSORS_INTERFACE_H
|
||||
#define ANDROID_SENSORS_INTERFACE_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <sys/cdefs.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#include <hardware/hardware.h>
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
/**
|
||||
* The id of this module
|
||||
*/
|
||||
#define SENSORS_HARDWARE_MODULE_ID "sensors"
|
||||
|
||||
/**
|
||||
* Name of the sensors device to open
|
||||
*/
|
||||
#define SENSORS_HARDWARE_CONTROL "control"
|
||||
#define SENSORS_HARDWARE_DATA "data"
|
||||
|
||||
/**
|
||||
* Handles must be higher than SENSORS_HANDLE_BASE and must be unique.
|
||||
* A Handle identifies a given sensors. The handle is used to activate
|
||||
* and/or deactivate sensors.
|
||||
* In this version of the API there can only be 256 handles.
|
||||
*/
|
||||
#define SENSORS_HANDLE_BASE 0
|
||||
#define SENSORS_HANDLE_BITS 8
|
||||
#define SENSORS_HANDLE_COUNT (1<<SENSORS_HANDLE_BITS)
|
||||
|
||||
|
||||
/**
|
||||
* Sensor types
|
||||
*/
|
||||
#define SENSOR_TYPE_ACCELEROMETER 1
|
||||
#define SENSOR_TYPE_MAGNETIC_FIELD 2
|
||||
#define SENSOR_TYPE_ORIENTATION 3
|
||||
#define SENSOR_TYPE_GYROSCOPE 4
|
||||
#define SENSOR_TYPE_LIGHT 5
|
||||
#define SENSOR_TYPE_PRESSURE 6
|
||||
#define SENSOR_TYPE_TEMPERATURE 7
|
||||
#define SENSOR_TYPE_PROXIMITY 8
|
||||
|
||||
/**
|
||||
* Values returned by the accelerometer in various locations in the universe.
|
||||
* all values are in SI units (m/s^2)
|
||||
*/
|
||||
|
||||
#define GRAVITY_SUN (275.0f)
|
||||
#define GRAVITY_MERCURY (3.70f)
|
||||
#define GRAVITY_VENUS (8.87f)
|
||||
#define GRAVITY_EARTH (9.80665f)
|
||||
#define GRAVITY_MOON (1.6f)
|
||||
#define GRAVITY_MARS (3.71f)
|
||||
#define GRAVITY_JUPITER (23.12f)
|
||||
#define GRAVITY_SATURN (8.96f)
|
||||
#define GRAVITY_URANUS (8.69f)
|
||||
#define GRAVITY_NEPTUNE (11.0f)
|
||||
#define GRAVITY_PLUTO (0.6f)
|
||||
#define GRAVITY_DEATH_STAR_I (0.000000353036145f)
|
||||
#define GRAVITY_THE_ISLAND (4.815162342f)
|
||||
|
||||
/** Maximum magnetic field on Earth's surface */
|
||||
#define MAGNETIC_FIELD_EARTH_MAX (60.0f)
|
||||
|
||||
/** Minimum magnetic field on Earth's surface */
|
||||
#define MAGNETIC_FIELD_EARTH_MIN (30.0f)
|
||||
|
||||
|
||||
/**
|
||||
* status of each sensor
|
||||
*/
|
||||
|
||||
#define SENSOR_STATUS_UNRELIABLE 0
|
||||
#define SENSOR_STATUS_ACCURACY_LOW 1
|
||||
#define SENSOR_STATUS_ACCURACY_MEDIUM 2
|
||||
#define SENSOR_STATUS_ACCURACY_HIGH 3
|
||||
|
||||
/**
|
||||
* Definition of the axis
|
||||
* ----------------------
|
||||
*
|
||||
* This API is relative to the screen of the device in its default orientation,
|
||||
* that is, if the device can be used in portrait or landscape, this API
|
||||
* is only relative to the NATURAL orientation of the screen. In other words,
|
||||
* the axis are not swapped when the device's screen orientation changes.
|
||||
* Higher level services /may/ perform this transformation.
|
||||
*
|
||||
* x<0 x>0
|
||||
* ^
|
||||
* |
|
||||
* +-----------+--> y>0
|
||||
* | |
|
||||
* | |
|
||||
* | |
|
||||
* | | / z<0
|
||||
* | | /
|
||||
* | | /
|
||||
* O-----------+/
|
||||
* |[] [ ] []/
|
||||
* +----------/+ y<0
|
||||
* /
|
||||
* /
|
||||
* |/ z>0 (toward the sky)
|
||||
*
|
||||
* O: Origin (x=0,y=0,z=0)
|
||||
*
|
||||
*
|
||||
* Orientation
|
||||
* -----------
|
||||
*
|
||||
* All values are angles in degrees.
|
||||
*
|
||||
* azimuth: angle between the magnetic north direction and the Y axis, around
|
||||
* the Z axis (0<=azimuth<360).
|
||||
* 0=North, 90=East, 180=South, 270=West
|
||||
*
|
||||
* pitch: Rotation around X axis (-180<=pitch<=180), with positive values when
|
||||
* the z-axis moves toward the y-axis.
|
||||
*
|
||||
* roll: Rotation around Y axis (-90<=roll<=90), with positive values when
|
||||
* the z-axis moves AWAY from the x-axis.
|
||||
*
|
||||
* Note: This definition is different from yaw, pitch and roll used in aviation
|
||||
* where the X axis is along the long side of the plane (tail to nose).
|
||||
*
|
||||
*
|
||||
* Acceleration
|
||||
* ------------
|
||||
*
|
||||
* All values are in SI units (m/s^2) and measure the acceleration of the
|
||||
* device minus the force of gravity.
|
||||
*
|
||||
* x: Acceleration minus Gx on the x-axis
|
||||
* y: Acceleration minus Gy on the y-axis
|
||||
* z: Acceleration minus Gz on the z-axis
|
||||
*
|
||||
* Examples:
|
||||
* When the device lies flat on a table and is pushed on its left side
|
||||
* toward the right, the x acceleration value is positive.
|
||||
*
|
||||
* When the device lies flat on a table, the acceleration value is +9.81,
|
||||
* which correspond to the acceleration of the device (0 m/s^2) minus the
|
||||
* force of gravity (-9.81 m/s^2).
|
||||
*
|
||||
* When the device lies flat on a table and is pushed toward the sky, the
|
||||
* acceleration value is greater than +9.81, which correspond to the
|
||||
* acceleration of the device (+A m/s^2) minus the force of
|
||||
* gravity (-9.81 m/s^2).
|
||||
*
|
||||
*
|
||||
* Magnetic Field
|
||||
* --------------
|
||||
*
|
||||
* All values are in micro-Tesla (uT) and measure the ambient magnetic
|
||||
* field in the X, Y and Z axis.
|
||||
*
|
||||
*/
|
||||
typedef struct {
|
||||
union {
|
||||
float v[3];
|
||||
struct {
|
||||
float x;
|
||||
float y;
|
||||
float z;
|
||||
};
|
||||
struct {
|
||||
float azimuth;
|
||||
float pitch;
|
||||
float roll;
|
||||
};
|
||||
};
|
||||
int8_t status;
|
||||
uint8_t reserved[3];
|
||||
} sensors_vec_t;
|
||||
|
||||
/**
|
||||
* Union of the various types of sensor data
|
||||
* that can be returned.
|
||||
*/
|
||||
typedef struct {
|
||||
/* sensor identifier */
|
||||
int sensor;
|
||||
|
||||
union {
|
||||
/* x,y,z values of the given sensor */
|
||||
sensors_vec_t vector;
|
||||
|
||||
/* orientation values are in degrees */
|
||||
sensors_vec_t orientation;
|
||||
|
||||
/* acceleration values are in meter per second per second (m/s^2) */
|
||||
sensors_vec_t acceleration;
|
||||
|
||||
/* magnetic vector values are in micro-Tesla (uT) */
|
||||
sensors_vec_t magnetic;
|
||||
|
||||
/* temperature is in degrees centigrade (Celsius) */
|
||||
float temperature;
|
||||
};
|
||||
|
||||
/* time is in nanosecond */
|
||||
int64_t time;
|
||||
|
||||
uint32_t reserved;
|
||||
} sensors_data_t;
|
||||
|
||||
|
||||
struct sensor_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.
|
||||
*/
|
||||
struct sensors_module_t {
|
||||
struct hw_module_t common;
|
||||
|
||||
/**
|
||||
* Enumerate all available sensors. The list is returned in "list".
|
||||
* @return number of sensors in the list
|
||||
*/
|
||||
int (*get_sensors_list)(struct sensors_module_t* module,
|
||||
struct sensor_t const** list);
|
||||
};
|
||||
|
||||
struct sensor_t {
|
||||
/* name of this sensors */
|
||||
const char* name;
|
||||
/* vendor of the hardware part */
|
||||
const char* vendor;
|
||||
/* version of the hardware part + driver. The value of this field is
|
||||
* left to the implementation and doesn't have to be monotonicaly
|
||||
* increasing.
|
||||
*/
|
||||
int version;
|
||||
/* handle that identifies this sensors. This handle is used to activate
|
||||
* and deactivate this sensor. The value of the handle must be 8 bits
|
||||
* in this version of the API.
|
||||
*/
|
||||
int handle;
|
||||
/* this sensor's type. */
|
||||
int type;
|
||||
/* maximaum range of this sensor's value in SI units */
|
||||
float maxRange;
|
||||
/* smallest difference between two values reported by this sensor */
|
||||
float resolution;
|
||||
/* rough estimate of this sensor's power consumption in mA */
|
||||
float power;
|
||||
/* reserved fields, must be zero */
|
||||
void* reserved[9];
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Every device data structure must begin with hw_device_t
|
||||
* followed by module specific public methods and attributes.
|
||||
*/
|
||||
struct sensors_control_device_t {
|
||||
struct hw_device_t common;
|
||||
|
||||
/**
|
||||
* Returns the fd which will be the parameter to
|
||||
* sensors_data_device_t::open_data().
|
||||
* The caller takes ownership of this fd. This is intended to be
|
||||
* passed cross processes.
|
||||
*
|
||||
* @return a fd if successful, < 0 on error
|
||||
*/
|
||||
int (*open_data_source)(struct sensors_control_device_t *dev);
|
||||
|
||||
/** Activate/deactivate one sensor.
|
||||
*
|
||||
* @param handle is the handle of the sensor to change.
|
||||
* @param enabled set to 1 to enable, or 0 to disable the sensor.
|
||||
*
|
||||
* @return 0 on success, negative errno code otherwise
|
||||
*/
|
||||
int (*activate)(struct sensors_control_device_t *dev,
|
||||
int handle, int enabled);
|
||||
|
||||
/**
|
||||
* Set the delay between sensor events in ms
|
||||
*
|
||||
* @return 0 if successful, < 0 on error
|
||||
*/
|
||||
int (*set_delay)(struct sensors_control_device_t *dev, int32_t ms);
|
||||
|
||||
/**
|
||||
* Causes sensors_data_device_t.poll() to return -EWOULDBLOCK immediately.
|
||||
*/
|
||||
int (*wake)(struct sensors_control_device_t *dev);
|
||||
};
|
||||
|
||||
struct sensors_data_device_t {
|
||||
struct hw_device_t common;
|
||||
|
||||
/**
|
||||
* Prepare to read sensor data.
|
||||
*
|
||||
* This routine does NOT take ownership of the fd
|
||||
* and must not close it. Typically this routine would
|
||||
* use a duplicate of the fd parameter.
|
||||
*
|
||||
* @param fd from sensors_control_open.
|
||||
*
|
||||
* @return 0 if successful, < 0 on error
|
||||
*/
|
||||
int (*data_open)(struct sensors_data_device_t *dev, int fd);
|
||||
|
||||
/**
|
||||
* Caller has completed using the sensor data.
|
||||
* The caller will not be blocked in sensors_data_poll
|
||||
* when this routine is called.
|
||||
*
|
||||
* @return 0 if successful, < 0 on error
|
||||
*/
|
||||
int (*data_close)(struct sensors_data_device_t *dev);
|
||||
|
||||
/**
|
||||
* Return sensor data for one of the enabled sensors.
|
||||
*
|
||||
* @return sensor handle for the returned data, 0x7FFFFFFF when
|
||||
* sensors_control_device_t.wake() is called and -errno on error
|
||||
*
|
||||
*/
|
||||
int (*poll)(struct sensors_data_device_t *dev,
|
||||
sensors_data_t* data);
|
||||
};
|
||||
|
||||
|
||||
/** convenience API for opening and closing a device */
|
||||
|
||||
static inline int sensors_control_open(const struct hw_module_t* module,
|
||||
struct sensors_control_device_t** device) {
|
||||
return module->methods->open(module,
|
||||
SENSORS_HARDWARE_CONTROL, (struct hw_device_t**)device);
|
||||
}
|
||||
|
||||
static inline int sensors_control_close(struct sensors_control_device_t* device) {
|
||||
return device->common.close(&device->common);
|
||||
}
|
||||
|
||||
static inline int sensors_data_open(const struct hw_module_t* module,
|
||||
struct sensors_data_device_t** device) {
|
||||
return module->methods->open(module,
|
||||
SENSORS_HARDWARE_DATA, (struct hw_device_t**)device);
|
||||
}
|
||||
|
||||
static inline int sensors_data_close(struct sensors_data_device_t* device) {
|
||||
return device->common.close(&device->common);
|
||||
}
|
||||
|
||||
|
||||
__END_DECLS
|
||||
|
||||
#endif // ANDROID_SENSORS_INTERFACE_H
|
||||
|
|
@ -1,23 +0,0 @@
|
|||
Default (and possibly architecture dependents) HAL modules go here.
|
||||
|
||||
|
||||
libhardware.so eventually should contain *just* the HAL hub
|
||||
(hardware.c), everything in it should be rewritten as modules.
|
||||
|
||||
Modules are .so in /system/libs/hw/ and have a well defined naming
|
||||
convention:
|
||||
|
||||
/system/libs/hw/<*_HARDWARE_MODULE_ID>.<ro.product.board>.so
|
||||
/system/libs/hw/<*_HARDWARE_MODULE_ID>.<ro.board.platform>.so
|
||||
/system/libs/hw/<*_HARDWARE_MODULE_ID>.<ro.arch>.so
|
||||
/system/libs/hw/<*_HARDWARE_MODULE_ID>.default.so
|
||||
|
||||
They also have a well defined interface which lives in include/hardware/.
|
||||
|
||||
A module can have several variants: "default", "arch" and "board", and they're
|
||||
loaded in the "board", "arch" and "default" order.
|
||||
The source code for the "board" variant, usually lives under partners/...
|
||||
|
||||
The source code for "default" and "arch" would usually
|
||||
live under hardware/modules/.
|
||||
|
||||
|
|
@ -1,26 +0,0 @@
|
|||
# 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.
|
||||
|
||||
|
||||
LOCAL_PATH := $(call my-dir)
|
||||
|
||||
# HAL module implemenation, not prelinked and stored in
|
||||
# hw/<OVERLAY_HARDWARE_MODULE_ID>.<ro.product.board>.so
|
||||
include $(CLEAR_VARS)
|
||||
LOCAL_PRELINK_MODULE := false
|
||||
LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
|
||||
LOCAL_SHARED_LIBRARIES := liblog
|
||||
LOCAL_SRC_FILES := overlay.cpp
|
||||
LOCAL_MODULE := overlay.trout
|
||||
include $(BUILD_SHARED_LIBRARY)
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
|
||||
Skeleton for the "overlay" HAL module.
|
||||
|
||||
|
|
@ -1,321 +0,0 @@
|
|||
/*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#define LOG_TAG "Overlay"
|
||||
|
||||
#include <hardware/hardware.h>
|
||||
#include <hardware/overlay.h>
|
||||
|
||||
#include <fcntl.h>
|
||||
#include <errno.h>
|
||||
|
||||
#include <cutils/log.h>
|
||||
#include <cutils/atomic.h>
|
||||
|
||||
/*****************************************************************************/
|
||||
|
||||
struct overlay_control_context_t {
|
||||
struct overlay_control_device_t device;
|
||||
/* our private state goes below here */
|
||||
};
|
||||
|
||||
struct overlay_data_context_t {
|
||||
struct overlay_data_device_t device;
|
||||
/* our private state goes below here */
|
||||
};
|
||||
|
||||
static int overlay_device_open(const struct hw_module_t* module, const char* name,
|
||||
struct hw_device_t** device);
|
||||
|
||||
static struct hw_module_methods_t overlay_module_methods = {
|
||||
open: overlay_device_open
|
||||
};
|
||||
|
||||
const struct overlay_module_t HAL_MODULE_INFO_SYM = {
|
||||
common: {
|
||||
tag: HARDWARE_MODULE_TAG,
|
||||
version_major: 1,
|
||||
version_minor: 0,
|
||||
id: OVERLAY_HARDWARE_MODULE_ID,
|
||||
name: "Sample Overlay module",
|
||||
author: "The Android Open Source Project",
|
||||
methods: &overlay_module_methods,
|
||||
}
|
||||
};
|
||||
|
||||
/*****************************************************************************/
|
||||
|
||||
/*
|
||||
* This is the overlay_t object, it is returned to the user and represents
|
||||
* an overlay.
|
||||
* This handles will be passed across processes and possibly given to other
|
||||
* HAL modules (for instance video decode modules).
|
||||
*/
|
||||
|
||||
class overlay_object : public overlay_t {
|
||||
|
||||
struct handle_t : public native_handle {
|
||||
/* add the data fields we need here, for instance: */
|
||||
int width;
|
||||
int height;
|
||||
};
|
||||
|
||||
handle_t mHandle;
|
||||
|
||||
static overlay_handle_t getHandleRef(struct overlay_t* overlay) {
|
||||
/* returns a reference to the handle, caller doesn't take ownership */
|
||||
return &(static_cast<overlay_object *>(overlay)->mHandle);
|
||||
}
|
||||
|
||||
public:
|
||||
overlay_object() {
|
||||
this->overlay_t::getHandleRef = getHandleRef;
|
||||
mHandle.version = sizeof(native_handle);
|
||||
mHandle.numFds = 0;
|
||||
mHandle.numInts = 2; // extra ints we have in our handle
|
||||
}
|
||||
};
|
||||
|
||||
// ****************************************************************************
|
||||
// Control module
|
||||
// ****************************************************************************
|
||||
|
||||
static int overlay_get(struct overlay_control_device_t *dev, int name) {
|
||||
int result = -1;
|
||||
switch (name) {
|
||||
case OVERLAY_MINIFICATION_LIMIT:
|
||||
result = 0; // 0 = no limit
|
||||
break;
|
||||
case OVERLAY_MAGNIFICATION_LIMIT:
|
||||
result = 0; // 0 = no limit
|
||||
break;
|
||||
case OVERLAY_SCALING_FRAC_BITS:
|
||||
result = 0; // 0 = infinite
|
||||
break;
|
||||
case OVERLAY_ROTATION_STEP_DEG:
|
||||
result = 90; // 90 rotation steps (for instance)
|
||||
break;
|
||||
case OVERLAY_HORIZONTAL_ALIGNMENT:
|
||||
result = 1; // 1-pixel alignment
|
||||
break;
|
||||
case OVERLAY_VERTICAL_ALIGNMENT:
|
||||
result = 1; // 1-pixel alignment
|
||||
break;
|
||||
case OVERLAY_WIDTH_ALIGNMENT:
|
||||
result = 1; // 1-pixel alignment
|
||||
break;
|
||||
case OVERLAY_HEIGHT_ALIGNMENT:
|
||||
result = 1; // 1-pixel alignment
|
||||
break;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
static overlay_t* overlay_createOverlay(struct overlay_control_device_t *dev,
|
||||
uint32_t w, uint32_t h, int32_t format)
|
||||
{
|
||||
/* check the input params, reject if not supported or invalid */
|
||||
switch (format) {
|
||||
case OVERLAY_FORMAT_RGBA_8888:
|
||||
case OVERLAY_FORMAT_RGB_565:
|
||||
case OVERLAY_FORMAT_BGRA_8888:
|
||||
case OVERLAY_FORMAT_YCbCr_422_SP:
|
||||
case OVERLAY_FORMAT_YCbCr_420_SP:
|
||||
case OVERLAY_FORMAT_YCbCr_422_I:
|
||||
case OVERLAY_FORMAT_YCbCr_420_I:
|
||||
break;
|
||||
default:
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Create overlay object. Talk to the h/w here and adjust to what it can
|
||||
* do. the overlay_t returned can be a C++ object, subclassing overlay_t
|
||||
* if needed.
|
||||
*
|
||||
* we probably want to keep a list of the overlay_t created so they can
|
||||
* all be cleaned up in overlay_close().
|
||||
*/
|
||||
return new overlay_object( /* pass needed params here*/ );
|
||||
}
|
||||
|
||||
static void overlay_destroyOverlay(struct overlay_control_device_t *dev,
|
||||
overlay_t* overlay)
|
||||
{
|
||||
/* free resources associated with this overlay_t */
|
||||
delete overlay;
|
||||
}
|
||||
|
||||
static int overlay_setPosition(struct overlay_control_device_t *dev,
|
||||
overlay_t* overlay,
|
||||
int x, int y, uint32_t w, uint32_t h) {
|
||||
/* set this overlay's position (talk to the h/w) */
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int overlay_getPosition(struct overlay_control_device_t *dev,
|
||||
overlay_t* overlay,
|
||||
int* x, int* y, uint32_t* w, uint32_t* h) {
|
||||
/* get this overlay's position */
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int overlay_setParameter(struct overlay_control_device_t *dev,
|
||||
overlay_t* overlay, int param, int value) {
|
||||
|
||||
int result = 0;
|
||||
/* set this overlay's parameter (talk to the h/w) */
|
||||
switch (param) {
|
||||
case OVERLAY_ROTATION_DEG:
|
||||
/* if only 90 rotations are supported, the call fails
|
||||
* for other values */
|
||||
break;
|
||||
case OVERLAY_DITHER:
|
||||
break;
|
||||
case OVERLAY_TRANSFORM:
|
||||
// see OVERLAY_TRANSFORM_*
|
||||
break;
|
||||
default:
|
||||
result = -EINVAL;
|
||||
break;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
static int overlay_control_close(struct hw_device_t *dev)
|
||||
{
|
||||
struct overlay_control_context_t* ctx = (struct overlay_control_context_t*)dev;
|
||||
if (ctx) {
|
||||
/* free all resources associated with this device here
|
||||
* in particular the overlay_handle_t, outstanding overlay_t, etc...
|
||||
*/
|
||||
free(ctx);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
// ****************************************************************************
|
||||
// Data module
|
||||
// ****************************************************************************
|
||||
|
||||
int overlay_initialize(struct overlay_data_device_t *dev,
|
||||
overlay_handle_t handle)
|
||||
{
|
||||
/*
|
||||
* overlay_handle_t should contain all the information to "inflate" this
|
||||
* overlay. Typically it'll have a file descriptor, informations about
|
||||
* how many buffers are there, etc...
|
||||
* It is also the place to mmap all buffers associated with this overlay
|
||||
* (see getBufferAddress).
|
||||
*
|
||||
* NOTE: this function doesn't take ownership of overlay_handle_t
|
||||
*
|
||||
*/
|
||||
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
int overlay_dequeueBuffer(struct overlay_data_device_t *dev,
|
||||
overlay_buffer_t* buf)
|
||||
{
|
||||
/* blocks until a buffer is available and return an opaque structure
|
||||
* representing this buffer.
|
||||
*/
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
int overlay_queueBuffer(struct overlay_data_device_t *dev,
|
||||
overlay_buffer_t buffer)
|
||||
{
|
||||
/* Mark this buffer for posting and recycle or free overlay_buffer_t. */
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
void *overlay_getBufferAddress(struct overlay_data_device_t *dev,
|
||||
overlay_buffer_t buffer)
|
||||
{
|
||||
/* this may fail (NULL) if this feature is not supported. In that case,
|
||||
* presumably, there is some other HAL module that can fill the buffer,
|
||||
* using a DSP for instance */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int overlay_data_close(struct hw_device_t *dev)
|
||||
{
|
||||
struct overlay_data_context_t* ctx = (struct overlay_data_context_t*)dev;
|
||||
if (ctx) {
|
||||
/* free all resources associated with this device here
|
||||
* in particular all pending overlay_buffer_t if needed.
|
||||
*
|
||||
* NOTE: overlay_handle_t passed in initialize() is NOT freed and
|
||||
* its file descriptors are not closed (this is the responsibility
|
||||
* of the caller).
|
||||
*/
|
||||
free(ctx);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
|
||||
static int overlay_device_open(const struct hw_module_t* module, const char* name,
|
||||
struct hw_device_t** device)
|
||||
{
|
||||
int status = -EINVAL;
|
||||
if (!strcmp(name, OVERLAY_HARDWARE_CONTROL)) {
|
||||
struct overlay_control_context_t *dev;
|
||||
dev = (overlay_control_context_t*)malloc(sizeof(*dev));
|
||||
|
||||
/* initialize our state here */
|
||||
memset(dev, 0, sizeof(*dev));
|
||||
|
||||
/* initialize the procs */
|
||||
dev->device.common.tag = HARDWARE_DEVICE_TAG;
|
||||
dev->device.common.version = 0;
|
||||
dev->device.common.module = const_cast<hw_module_t*>(module);
|
||||
dev->device.common.close = overlay_control_close;
|
||||
|
||||
dev->device.get = overlay_get;
|
||||
dev->device.createOverlay = overlay_createOverlay;
|
||||
dev->device.destroyOverlay = overlay_destroyOverlay;
|
||||
dev->device.setPosition = overlay_setPosition;
|
||||
dev->device.getPosition = overlay_getPosition;
|
||||
dev->device.setParameter = overlay_setParameter;
|
||||
|
||||
*device = &dev->device.common;
|
||||
status = 0;
|
||||
} else if (!strcmp(name, OVERLAY_HARDWARE_DATA)) {
|
||||
struct overlay_data_context_t *dev;
|
||||
dev = (overlay_data_context_t*)malloc(sizeof(*dev));
|
||||
|
||||
/* initialize our state here */
|
||||
memset(dev, 0, sizeof(*dev));
|
||||
|
||||
/* initialize the procs */
|
||||
dev->device.common.tag = HARDWARE_DEVICE_TAG;
|
||||
dev->device.common.version = 0;
|
||||
dev->device.common.module = const_cast<hw_module_t*>(module);
|
||||
dev->device.common.close = overlay_data_close;
|
||||
|
||||
dev->device.initialize = overlay_initialize;
|
||||
dev->device.dequeueBuffer = overlay_dequeueBuffer;
|
||||
dev->device.queueBuffer = overlay_queueBuffer;
|
||||
dev->device.getBufferAddress = overlay_getBufferAddress;
|
||||
|
||||
*device = &dev->device.common;
|
||||
status = 0;
|
||||
}
|
||||
return status;
|
||||
}
|
||||
Loading…
Reference in a new issue