1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (c) 2018 Ramon Fried <ramon.fried@gmail.com>
4 */
5
6 #define LOG_CATEGORY UCLASS_SMEM
7
8 #include <common.h>
9 #include <dm.h>
10 #include <smem.h>
11
smem_alloc(struct udevice * dev,unsigned int host,unsigned int item,size_t size)12 int smem_alloc(struct udevice *dev, unsigned int host,
13 unsigned int item, size_t size)
14 {
15 struct smem_ops *ops = smem_get_ops(dev);
16
17 if (!ops->alloc)
18 return -ENOSYS;
19
20 return ops->alloc(host, item, size);
21 }
22
smem_get(struct udevice * dev,unsigned int host,unsigned int item,size_t * size)23 void *smem_get(struct udevice *dev, unsigned int host,
24 unsigned int item, size_t *size)
25 {
26 struct smem_ops *ops = smem_get_ops(dev);
27
28 if (!ops->get)
29 return NULL;
30
31 return ops->get(host, item, size);
32 }
33
smem_get_free_space(struct udevice * dev,unsigned int host)34 int smem_get_free_space(struct udevice *dev, unsigned int host)
35 {
36 struct smem_ops *ops = smem_get_ops(dev);
37
38 if (!ops->get_free_space)
39 return -ENOSYS;
40
41 return ops->get_free_space(host);
42 }
43
44 UCLASS_DRIVER(smem) = {
45 .id = UCLASS_SMEM,
46 .name = "smem",
47 };
48