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/*
* drivers/media/video/samsung/mfc50/mfc_buffer_manager.h
*
* Header file for Samsung MFC (Multi Function Codec - FIMV) driver
*
* Key-Young Park, Copyright (c) 2009 Samsung Electronics
* http://www.samsungsemi.com/
*
* Change Logs
* 2009.11.04 - remove mfc_common.[ch]
* seperate buffer alloc & set (Key Young, Park)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#ifndef _MFC_BUFFER_MANAGER_H_
#define _MFC_BUFFER_MANAGER_H_
#include <linux/list.h>
#include "mfc_interface.h"
#include "mfc_opr.h"
#define MFC_MAX_PORT_NUM 2
/* Struct Definition */
struct mfc_alloc_mem {
struct list_head list; /* strcut list_head for alloc mem */
unsigned int p_addr; /* physical address */
unsigned char *v_addr; /* virtual address */
unsigned char *u_addr; /* virtual address for user mode process */
int size; /* memory size */
int inst_no; /* instance no */
};
struct mfc_free_mem {
struct list_head list; /* struct list_head for free mem */
unsigned int start_addr; /* start address of free mem */
unsigned int size; /* size of free mem */
};
/* Function Prototype */
void mfc_print_mem_list(void);
int mfc_init_buffer(void);
void mfc_merge_fragment(int inst_no);
void mfc_release_all_buffer(int inst_no);
void mfc_free_alloc_mem(struct mfc_alloc_mem *alloc_node, int port_no);
enum mfc_error_code mfc_release_buffer(unsigned char *u_addr);
enum mfc_error_code mfc_get_phys_addr(struct mfc_inst_ctx *mfc_ctx, union mfc_args *args);
enum mfc_error_code mfc_allocate_buffer(struct mfc_inst_ctx *mfc_ctx, union mfc_args *args, int port_no);
#endif /* _MFC_BUFFER_MANAGER_H_ */
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