1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* g2d_rcq/g2d_rcq.c
*
* Copyright (c) 2007-2019 Allwinnertech Co., Ltd.
* Author: zhengxiaobin <[email protected]>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that 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.
*
*/
#include "g2d_rcq.h"
#include "g2d_driver_i.h"
__s32 g2d_top_mem_pool_alloc(struct g2d_rcq_mem_info *p_rcq_info)
{
int ret = 0;
p_rcq_info->rcq_byte_used =
p_rcq_info->alloc_num * sizeof(*(p_rcq_info->vir_addr));
p_rcq_info->vir_addr = g2d_malloc(p_rcq_info->rcq_reg_mem_size,
(__u32 *)&p_rcq_info->phy_addr);
if (!p_rcq_info->vir_addr)
ret = -1;
return ret;
}
void *g2d_top_reg_memory_alloc(__u32 size, void *phy_addr,
struct g2d_rcq_mem_info *p_rcq_info)
{
void *viraddr = NULL;
if (p_rcq_info->vir_addr) {
*(__u32 *)phy_addr = (unsigned long)p_rcq_info->phy_addr +
p_rcq_info->rcq_byte_used;
viraddr =
(void *)p_rcq_info->vir_addr + p_rcq_info->rcq_byte_used;
p_rcq_info->rcq_byte_used += G2D_RCQ_BYTE_ALIGN(size);
if (p_rcq_info->rcq_byte_used > p_rcq_info->rcq_reg_mem_size) {
G2D_ERR_MSG("Malloc %ld byte fail, out of total "
"memory %ld bytes, current used byte:%ld\n",
G2D_RCQ_BYTE_ALIGN(size),
p_rcq_info->rcq_reg_mem_size,
p_rcq_info->rcq_byte_used);
viraddr = NULL;
*(__u32 *)phy_addr = (unsigned long)NULL;
}
return viraddr;
} else {
G2D_ERR_MSG("Null pointer!\n");
*(__u32 *)phy_addr = (unsigned long)NULL;
return NULL;
}
}
void g2d_top_mem_pool_free(struct g2d_rcq_mem_info *p_rcq_info)
{
if (p_rcq_info->vir_addr) {
g2d_free((void *)p_rcq_info->vir_addr,
(void *)p_rcq_info->phy_addr,
p_rcq_info->rcq_reg_mem_size);
}
}
|
