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
|
/*
* drivers/media/platform/s5p-mfc/s5p_mfc_opr.c
*
* Samsung MFC (Multi Function Codec - FIMV) driver
* This file contains hw related functions.
*
* Kamil Debski, Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* 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.
*/
#include "s5p_mfc_debug.h"
#include "s5p_mfc_opr.h"
#include "s5p_mfc_opr_v5.h"
#include "s5p_mfc_opr_v6.h"
static struct s5p_mfc_hw_ops *s5p_mfc_ops;
void s5p_mfc_init_hw_ops(struct s5p_mfc_dev *dev)
{
if (IS_MFCV6(dev)) {
s5p_mfc_ops = s5p_mfc_init_hw_ops_v6();
dev->warn_start = S5P_FIMV_ERR_WARNINGS_START_V6;
} else {
s5p_mfc_ops = s5p_mfc_init_hw_ops_v5();
dev->warn_start = S5P_FIMV_ERR_WARNINGS_START;
}
dev->mfc_ops = s5p_mfc_ops;
}
int s5p_mfc_alloc_priv_buf(struct device *dev,
struct s5p_mfc_priv_buf *b)
{
mfc_debug(3, "Allocating priv: %d\n", b->size);
b->virt = dma_alloc_coherent(dev, b->size, &b->dma, GFP_KERNEL);
if (!b->virt) {
mfc_err("Allocating private buffer failed\n");
return -ENOMEM;
}
mfc_debug(3, "Allocated addr %p %08x\n", b->virt, b->dma);
return 0;
}
void s5p_mfc_release_priv_buf(struct device *dev,
struct s5p_mfc_priv_buf *b)
{
if (b->virt) {
dma_free_coherent(dev, b->size, b->virt, b->dma);
b->virt = NULL;
b->dma = 0;
b->size = 0;
}
}
|
