From d61f84efe29ef126ced564857be781128246a407 Mon Sep 17 00:00:00 2001 From: Jeff Brown Date: Sat, 26 Jul 2014 14:58:23 -0700 Subject: [PATCH] Delete mcu HAL. This HAL was intended to support doze mode but it is currently unused and it's best for it to stay that way. Bug: 16516536 Change-Id: I4f442e27d68f18ff322afd4c1debd2f392687e80 --- include/hardware/mcu.h | 82 -------------------------------------------------- modules/Android.mk | 2 +- modules/mcu/Android.mk | 25 --------------- modules/mcu/mcu.c | 57 ----------------------------------- 4 files changed, 1 insertion(+), 165 deletions(-) delete mode 100644 include/hardware/mcu.h delete mode 100644 modules/mcu/Android.mk delete mode 100644 modules/mcu/mcu.c diff --git a/include/hardware/mcu.h b/include/hardware/mcu.h deleted file mode 100644 index 6fe2cfe..0000000 --- a/include/hardware/mcu.h +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Copyright (C) 2012 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_MCU_H -#define ANDROID_INCLUDE_HARDWARE_MCU_H - -#include -#include -#include - -#include - -__BEGIN_DECLS - -#define MCU_MODULE_API_VERSION_0_1 HARDWARE_MODULE_API_VERSION(0, 1) - -/* - * The id of this module - */ -#define MCU_HARDWARE_MODULE_ID "mcu" - -/* - * MCU message keys passed to (*sendMessage) - */ -#define MCU_PARAMETER_MSG_ENABLE_MCU "enable_mcu" - -/* - * MCU message values passed to (*sendMessage) - */ -#define MCU_PARAMETER_ARG_ON "on" -#define MCU_PARAMETER_ARG_OFF "off" - -/* - * 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 mcu_module { - struct hw_module_t common; - - /* - * (*init)() performs MCU module setup actions at runtime startup, such - * as to initialize an external MCU. This is called only by the MCU HAL - * instance loaded by PowerManagerService. - * - * Returns 0 on success or -errno on error. - */ - int (*init)(struct mcu_module *module); - - /* - * (*sendMessage)() passes a message/argument pair to the MCU to execute - * a function. msg is NULL-terminated. If arg is text, then arg_len must - * reflect the string length. result is a heap-allocated buffer that the - * caller must free. If there is no result, then *result will be NULL and - * *result_len will be 0. - * - * Returns 0 on success or -errno in case of error (for example, if the - * MCU does not support the specified message.) - * - */ - int (*sendMessage)(struct mcu_module *module, const char *msg, - const void *arg, size_t arg_len, void **result, - size_t *result_len); - -} mcu_module_t; - -__END_DECLS - -#endif // ANDROID_INCLUDE_HARDWARE_MCU_H diff --git a/modules/Android.mk b/modules/Android.mk index c903eee..0725d3e 100644 --- a/modules/Android.mk +++ b/modules/Android.mk @@ -1,4 +1,4 @@ hardware_modules := gralloc hwcomposer audio nfc nfc-nci local_time \ power usbaudio audio_remote_submix camera consumerir sensors vibrator \ - mcu tv_input fingerprint + tv_input fingerprint include $(call all-named-subdir-makefiles,$(hardware_modules)) diff --git a/modules/mcu/Android.mk b/modules/mcu/Android.mk deleted file mode 100644 index ec40e3a..0000000 --- a/modules/mcu/Android.mk +++ /dev/null @@ -1,25 +0,0 @@ -# Copyright (C) 2014 The Android Open Source Project -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -LOCAL_PATH := $(call my-dir) - -include $(CLEAR_VARS) - -LOCAL_MODULE := mcu.default -LOCAL_MODULE_RELATIVE_PATH := hw -LOCAL_SRC_FILES := mcu.c -LOCAL_SHARED_LIBRARIES := liblog -LOCAL_MODULE_TAGS := optional - -include $(BUILD_SHARED_LIBRARY) diff --git a/modules/mcu/mcu.c b/modules/mcu/mcu.c deleted file mode 100644 index 47300f9..0000000 --- a/modules/mcu/mcu.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * Copyright (C) 2012 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. - */ -#include -#include -#include -#include -#include - -#define LOG_TAG "Legacy MCU HAL" -#include - -#include -#include - -static int mcu_init(struct mcu_module *module) -{ - return 0; -} - -static int mcu_send_message(struct mcu_module *module, const char *msg, - const void *arg, size_t arg_len, void **result, - size_t *result_len) -{ - return 0; -} - -static struct hw_module_methods_t mcu_module_methods = { - .open = NULL, -}; - -struct mcu_module HAL_MODULE_INFO_SYM = { - .common = { - .tag = HARDWARE_MODULE_TAG, - .module_api_version = MCU_MODULE_API_VERSION_0_1, - .hal_api_version = HARDWARE_HAL_API_VERSION, - .id = MCU_HARDWARE_MODULE_ID, - .name = "Default MCU HAL", - .author = "The Android Open Source Project", - .methods = &mcu_module_methods, - }, - - .init = mcu_init, - .sendMessage = mcu_send_message, -}; -- 2.11.0