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218 lines
12 KiB
218 lines
12 KiB
4 months ago
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/******************************************************************************
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*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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/*****************************************************************************/
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/* */
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/* File Name : osal.c */
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/* */
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/* Description : This file contains all the API's of OSAL */
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/* initialization and closure */
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/* */
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/* List of Functions : osal_init */
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/* osal_register_callbacks */
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/* osal_close */
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/* osal_get_version */
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/* osal_print_status_log */
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/* */
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/* Issues / Problems : None */
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/* */
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/* Revision History : */
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/* */
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/* DD MM YYYY Author(s) Changes (Describe the changes made) */
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/* 19 04 2006 Ittiam Draft */
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/* */
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/*****************************************************************************/
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/*****************************************************************************/
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/* File Includes */
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/*****************************************************************************/
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/* System include files */
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#include <stdio.h>
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#include <sys/types.h>
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#include <semaphore.h>
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#include <pthread.h>
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/* User include files */
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#include "cast_types.h"
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#include "osal.h"
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#include "osal_handle.h"
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/*****************************************************************************/
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/* Constant Macros */
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/*****************************************************************************/
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#define OSAL_VERSION "OSAL_v13.1"
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/*****************************************************************************/
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/* */
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/* Function Name : osal_init */
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/* */
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/* Description : This function creates and initializes the OSAL instance */
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/* */
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/* Inputs : Memory for OSAL handle */
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/* */
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/* Globals : None */
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/* */
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/* Processing : Initializes OSAL handle parameters to default values. */
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/* */
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/* Outputs : Status of OSAL handle initialization */
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/* */
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/* Returns : On SUCCESS - OSAL_SUCCESS */
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/* On FAILURE - OSAL_ERROR */
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/* */
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/* Issues : None */
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/* */
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/* Revision History: */
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/* */
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/* DD MM YYYY Author(s) Changes (Describe the changes made) */
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/* 19 04 2006 Ittiam Draft */
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/* */
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/*****************************************************************************/
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WORD32 osal_init(IN void *osal_handle)
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{
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osal_t *handle = (osal_t *)osal_handle;
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/* Validate the input */
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if(0 == osal_handle)
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return OSAL_ERROR;
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/* Initialize call back functions */
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handle->alloc = 0;
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handle->free = 0;
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handle->mmr_handle = 0;
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return OSAL_SUCCESS;
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}
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/*****************************************************************************/
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/* */
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/* Function Name : osal_register_callbacks */
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/* */
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/* Description : This function registers MMR handle and allocation and */
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/* freeing call back functions. */
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/* */
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/* Inputs : OSAL handle */
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/* OSAL callback attributes */
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/* */
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/* Globals : None */
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/* */
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/* Processing : This function initializes OSAL call back parameters. */
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/* */
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/* Outputs : Status of OSAL callback registration */
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/* */
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/* Returns : On SUCCESS - OSAL_SUCCESS */
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/* On FAILURE - OSAL_ERROR */
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/* */
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/* Issues : None */
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/* */
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/* Revision History: */
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/* */
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/* DD MM YYYY Author(s) Changes (Describe the changes made) */
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/* 10 05 2006 Ittiam Draft */
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/* */
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/*****************************************************************************/
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WORD32 osal_register_callbacks(IN void *osal_handle, IN osal_cb_funcs_t *cb_funcs)
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{
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osal_t *handle = (osal_t *)osal_handle;
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/* Validate the input */
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if(0 == handle || 0 == cb_funcs)
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return OSAL_ERROR;
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if(0 == cb_funcs->osal_alloc || 0 == cb_funcs->osal_free)
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return OSAL_ERROR;
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/* Initialize call back parameters */
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handle->mmr_handle = cb_funcs->mmr_handle;
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handle->alloc = cb_funcs->osal_alloc;
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handle->free = cb_funcs->osal_free;
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return OSAL_SUCCESS;
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}
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/*****************************************************************************/
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/* */
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/* Function Name : osal_close */
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/* */
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/* Description : This function closes the OSAL instance */
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/* */
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/* Inputs : OSAL handle */
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/* */
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/* Globals : None */
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/* */
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/* Processing : Frees the memory allocated for the OSAL handle */
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/* */
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/* Outputs : Status of OSAL instance close */
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/* */
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/* Returns : On SUCCESS - 0 */
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/* On FALIURE - -1 */
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/* */
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/* Issues : None */
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/* */
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/* Revision History: */
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/* */
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/* DD MM YYYY Author(s) Changes (Describe the changes made) */
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/* 19 04 2006 Ittiam Draft */
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/* */
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/*****************************************************************************/
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WORD32 osal_close(IN void *osal_handle)
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{
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/* Validate input */
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if(0 == osal_handle)
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return OSAL_ERROR;
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return OSAL_SUCCESS;
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}
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/*****************************************************************************/
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/* */
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/* Function Name : osal_get_version */
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/* */
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/* Description : This function gets the version of OSAL library. */
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/* */
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/* Inputs : None */
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/* Globals : None */
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/* */
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/* Processing : Returns a NULL terminated string with has the version of */
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/* library being used. */
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/* */
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/* Outputs : Version of OSAL library. */
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/* */
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/* Returns : Pointer to a NULL terminated string */
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/* */
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/* Issues : None */
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/* */
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/* Revision History: */
|
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/* */
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/* DD MM YYYY Author(s) Changes (Describe the changes made) */
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/* 07 03 2006 Ittiam Draft */
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||
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/* */
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/*****************************************************************************/
|
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WORD8 *osal_get_version()
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{
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return ((WORD8 *)OSAL_VERSION);
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}
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