| /* |
| * Support for Intel Camera Imaging ISP subsystem. |
| * Copyright (c) 2015, Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| */ |
| |
| #ifndef _IA_CSS_REFCOUNT_H_ |
| #define _IA_CSS_REFCOUNT_H_ |
| |
| #include <type_support.h> |
| #include <system_types.h> |
| #include <ia_css_err.h> |
| |
| typedef void (*clear_func)(hrt_vaddress ptr); |
| |
| /*! \brief Function for initializing refcount list |
| * |
| * \param[in] size Size of the refcount list. |
| * \return ia_css_err |
| */ |
| extern enum ia_css_err ia_css_refcount_init(uint32_t size); |
| |
| /*! \brief Function for de-initializing refcount list |
| * |
| * \return None |
| */ |
| extern void ia_css_refcount_uninit(void); |
| |
| /*! \brief Function for increasing reference by 1. |
| * |
| * \param[in] id ID of the object. |
| * \param[in] ptr Data of the object (ptr). |
| * \return hrt_vaddress (saved address) |
| */ |
| extern hrt_vaddress ia_css_refcount_increment(int32_t id, hrt_vaddress ptr); |
| |
| /*! \brief Function for decrease reference by 1. |
| * |
| * \param[in] id ID of the object. |
| * \param[in] ptr Data of the object (ptr). |
| * |
| * - true, if it is successful. |
| * - false, otherwise. |
| */ |
| extern bool ia_css_refcount_decrement(int32_t id, hrt_vaddress ptr); |
| |
| /*! \brief Function to check if reference count is 1. |
| * |
| * \param[in] ptr Data of the object (ptr). |
| * |
| * - true, if it is successful. |
| * - false, otherwise. |
| */ |
| extern bool ia_css_refcount_is_single(hrt_vaddress ptr); |
| |
| /*! \brief Function to clear reference list objects. |
| * |
| * \param[in] id ID of the object. |
| * \param[in] clear_func function to be run to free reference objects. |
| * |
| * return None |
| */ |
| extern void ia_css_refcount_clear(int32_t id, |
| clear_func clear_func_ptr); |
| |
| /*! \brief Function to verify if object is valid |
| * |
| * \param[in] ptr Data of the object (ptr) |
| * |
| * - true, if valid |
| * - false, if invalid |
| */ |
| extern bool ia_css_refcount_is_valid(hrt_vaddress ptr); |
| |
| #endif /* _IA_CSS_REFCOUNT_H_ */ |
