| /****************************************************************************** |
| * |
| * Copyright (C) 2018 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. |
| * |
| ***************************************************************************** |
| * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| */ |
| |
| /*****************************************************************************/ |
| /* */ |
| /* File Name : osal.c */ |
| /* */ |
| /* Description : This file contains all the API's of OSAL */ |
| /* initialization and closure */ |
| /* */ |
| /* List of Functions : osal_init */ |
| /* osal_register_callbacks */ |
| /* osal_close */ |
| /* osal_get_version */ |
| /* osal_print_status_log */ |
| /* */ |
| /* Issues / Problems : None */ |
| /* */ |
| /* Revision History : */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 19 04 2006 Ittiam Draft */ |
| /* */ |
| /*****************************************************************************/ |
| |
| /*****************************************************************************/ |
| /* File Includes */ |
| /*****************************************************************************/ |
| |
| /* System include files */ |
| #include <stdio.h> |
| |
| #include <sys/types.h> |
| #include <semaphore.h> |
| #include <pthread.h> |
| |
| /* User include files */ |
| #include "cast_types.h" |
| #include "osal.h" |
| #include "osal_handle.h" |
| |
| /*****************************************************************************/ |
| /* Constant Macros */ |
| /*****************************************************************************/ |
| |
| #define OSAL_VERSION "OSAL_v13.1" |
| |
| /*****************************************************************************/ |
| /* */ |
| /* Function Name : osal_init */ |
| /* */ |
| /* Description : This function creates and initializes the OSAL instance */ |
| /* */ |
| /* Inputs : Memory for OSAL handle */ |
| /* */ |
| /* Globals : None */ |
| /* */ |
| /* Processing : Initializes OSAL handle parameters to default values. */ |
| /* */ |
| /* Outputs : Status of OSAL handle initialization */ |
| /* */ |
| /* Returns : On SUCCESS - OSAL_SUCCESS */ |
| /* On FAILURE - OSAL_ERROR */ |
| /* */ |
| /* Issues : None */ |
| /* */ |
| /* Revision History: */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 19 04 2006 Ittiam Draft */ |
| /* */ |
| /*****************************************************************************/ |
| |
| WORD32 osal_init(IN void *osal_handle) |
| { |
| osal_t *handle = (osal_t *)osal_handle; |
| |
| /* Validate the input */ |
| if(0 == osal_handle) |
| return OSAL_ERROR; |
| |
| /* Initialize call back functions */ |
| handle->alloc = 0; |
| handle->free = 0; |
| handle->mmr_handle = 0; |
| |
| return OSAL_SUCCESS; |
| } |
| |
| /*****************************************************************************/ |
| /* */ |
| /* Function Name : osal_register_callbacks */ |
| /* */ |
| /* Description : This function registers MMR handle and allocation and */ |
| /* freeing call back functions. */ |
| /* */ |
| /* Inputs : OSAL handle */ |
| /* OSAL callback attributes */ |
| /* */ |
| /* Globals : None */ |
| /* */ |
| /* Processing : This function initializes OSAL call back parameters. */ |
| /* */ |
| /* Outputs : Status of OSAL callback registration */ |
| /* */ |
| /* Returns : On SUCCESS - OSAL_SUCCESS */ |
| /* On FAILURE - OSAL_ERROR */ |
| /* */ |
| /* Issues : None */ |
| /* */ |
| /* Revision History: */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 10 05 2006 Ittiam Draft */ |
| /* */ |
| /*****************************************************************************/ |
| |
| WORD32 osal_register_callbacks(IN void *osal_handle, IN osal_cb_funcs_t *cb_funcs) |
| { |
| osal_t *handle = (osal_t *)osal_handle; |
| |
| /* Validate the input */ |
| if(0 == handle || 0 == cb_funcs) |
| return OSAL_ERROR; |
| |
| if(0 == cb_funcs->osal_alloc || 0 == cb_funcs->osal_free) |
| return OSAL_ERROR; |
| |
| /* Initialize call back parameters */ |
| handle->mmr_handle = cb_funcs->mmr_handle; |
| handle->alloc = cb_funcs->osal_alloc; |
| handle->free = cb_funcs->osal_free; |
| |
| return OSAL_SUCCESS; |
| } |
| |
| /*****************************************************************************/ |
| /* */ |
| /* Function Name : osal_close */ |
| /* */ |
| /* Description : This function closes the OSAL instance */ |
| /* */ |
| /* Inputs : OSAL handle */ |
| /* */ |
| /* Globals : None */ |
| /* */ |
| /* Processing : Frees the memory allocated for the OSAL handle */ |
| /* */ |
| /* Outputs : Status of OSAL instance close */ |
| /* */ |
| /* Returns : On SUCCESS - 0 */ |
| /* On FALIURE - -1 */ |
| /* */ |
| /* Issues : None */ |
| /* */ |
| /* Revision History: */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 19 04 2006 Ittiam Draft */ |
| /* */ |
| /*****************************************************************************/ |
| |
| WORD32 osal_close(IN void *osal_handle) |
| { |
| /* Validate input */ |
| if(0 == osal_handle) |
| return OSAL_ERROR; |
| |
| return OSAL_SUCCESS; |
| } |
| |
| /*****************************************************************************/ |
| /* */ |
| /* Function Name : osal_get_version */ |
| /* */ |
| /* Description : This function gets the version of OSAL library. */ |
| /* */ |
| /* Inputs : None */ |
| /* Globals : None */ |
| /* */ |
| /* Processing : Returns a NULL terminated string with has the version of */ |
| /* library being used. */ |
| /* */ |
| /* Outputs : Version of OSAL library. */ |
| /* */ |
| /* Returns : Pointer to a NULL terminated string */ |
| /* */ |
| /* Issues : None */ |
| /* */ |
| /* Revision History: */ |
| /* */ |
| /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| /* 07 03 2006 Ittiam Draft */ |
| /* */ |
| /*****************************************************************************/ |
| |
| WORD8 *osal_get_version() |
| { |
| return ((WORD8 *)OSAL_VERSION); |
| } |
