1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (c) 2023 SberDevices, Inc.
4 *
5 * Author: Alexey Romanov <avromanov@salutedevices.com>
6 */
7
8#include <common.h>
9#include <dm.h>
10#include <errno.h>
11#include <sm-uclass.h>
12
13static const struct sm_ops *get_sm_ops(struct udevice *dev)
14{
15	return (const struct sm_ops *)dev->driver->ops;
16}
17
18int sm_call(struct udevice *dev, u32 cmd, s32 *ret, struct pt_regs *args)
19{
20	const struct sm_ops *ops = get_sm_ops(dev);
21
22	if (ops->sm_call)
23		return ops->sm_call(dev, cmd, ret, args);
24
25	return -ENOSYS;
26}
27
28int sm_call_read(struct udevice *dev, void *buffer, size_t size,
29		 u32 cmd, struct pt_regs *args)
30{
31	const struct sm_ops *ops = get_sm_ops(dev);
32
33	if (ops->sm_call_read)
34		return ops->sm_call_read(dev, buffer, size, cmd,
35					 args);
36
37	return -ENOSYS;
38}
39
40int sm_call_write(struct udevice *dev, void *buffer, size_t size,
41		   u32 cmd, struct pt_regs *args)
42{
43	const struct sm_ops *ops = get_sm_ops(dev);
44
45	if (ops->sm_call_write)
46		return ops->sm_call_write(dev, buffer, size, cmd,
47					  args);
48
49	return -ENOSYS;
50}
51
52UCLASS_DRIVER(sm) = {
53	.name           = "sm",
54	.id             = UCLASS_SM,
55};
56