1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * (C) Copyright 2021, Foundries.IO
4 *
5 */
6
7#include <common.h>
8#include <scp03.h>
9#include <tee.h>
10#include <tee/optee_ta_scp03.h>
11
12static int scp03_enable(bool provision)
13{
14	const struct tee_optee_ta_uuid uuid = PTA_SCP03_UUID;
15	struct tee_open_session_arg session;
16	struct tee_invoke_arg invoke;
17	struct tee_param param;
18	struct udevice *tee = NULL;
19
20	tee = tee_find_device(tee, NULL, NULL, NULL);
21	if (!tee)
22		return -ENODEV;
23
24	memset(&session, 0, sizeof(session));
25	tee_optee_ta_uuid_to_octets(session.uuid, &uuid);
26	if (tee_open_session(tee, &session, 0, NULL))
27		return -ENXIO;
28
29	memset(&param, 0, sizeof(param));
30	param.attr = TEE_PARAM_ATTR_TYPE_VALUE_INPUT;
31	param.u.value.a = provision;
32
33	memset(&invoke, 0, sizeof(invoke));
34	invoke.func = PTA_CMD_ENABLE_SCP03;
35	invoke.session = session.session;
36
37	if (tee_invoke_func(tee, &invoke, 1, &param))
38		return -EIO;
39
40	tee_close_session(tee, session.session);
41
42	return 0;
43}
44
45int tee_enable_scp03(void)
46{
47	return scp03_enable(false);
48}
49
50int tee_provision_scp03(void)
51{
52	return scp03_enable(true);
53}
54