607778300c
1. add cv181x functions 2. Delete some useless files and add .gitignore Change-Id: Iea2b2fa43b5a1152e5e99fb32b88f8d2c249251a
71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
#ifndef __JPU_VIDEO_MEMORY_MANAGEMENT_H__
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#define __JPU_VIDEO_MEMORY_MANAGEMENT_H__
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typedef struct _jmem_info_struct {
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unsigned long total_pages;
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unsigned long alloc_pages;
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unsigned long free_pages;
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unsigned long page_size;
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} jmem_info_t;
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#if defined(WIN32) || defined(WIN64)
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#if (_MSC_VER == 1200)
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typedef _int64 vmem_key_t;
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#else
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typedef unsigned long long vmem_key_t;
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#endif
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#else
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typedef unsigned long long vmem_key_t;
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#endif
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#define VMEM_PAGE_SIZE (16 * 1024)
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#define MAKE_KEY(_a, _b) (((vmem_key_t)(_a)) << 32 | (_b))
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#define KEY_TO_VALUE(_key) ((_key) >> 32)
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typedef struct page_struct {
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int pageno;
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unsigned long addr;
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int used;
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int alloc_pages;
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int first_pageno;
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} page_t;
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typedef struct avl_node_struct {
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vmem_key_t key;
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int height;
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page_t *page;
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struct avl_node_struct *left;
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struct avl_node_struct *right;
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} avl_node_t;
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typedef struct _jpeg_mm_struct {
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avl_node_t *free_tree;
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avl_node_t *alloc_tree;
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page_t *page_list;
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int num_pages;
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unsigned long base_addr;
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unsigned long mem_size;
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void *mutex;
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int free_page_count;
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int alloc_page_count;
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} jpeg_mm_t;
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#if defined(__cplusplus)
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extern "C" {
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#endif
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extern int jmem_init(jpeg_mm_t *mm, unsigned long addr, unsigned long size);
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extern int jmem_exit(jpeg_mm_t *mm);
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extern unsigned long jmem_alloc(jpeg_mm_t *mm, unsigned int size, unsigned long pid);
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extern int jmem_free(jpeg_mm_t *mm, unsigned long ptr, unsigned long pid);
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extern int jmem_get_info(jpeg_mm_t *mm, jmem_info_t *info);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __JPU_VIDEO_MEMORY_MANAGEMENT_H__ */ |