xref: /rk3399_ARM-atf/plat/mediatek/include/lpm_v2/mt_lpm_smc.h (revision cf2df874cd09305ac7282fadb0fef6be597dfffb)

/*
 * Copyright (c) 2025, MediaTek Inc. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef MT_LPM_SMC_H
#define MT_LPM_SMC_H

/*
 * MTK LPM smc user format:
 * bit[31:24]: magic number
 * bit[23:16]: user number
 * bit[15:00]: user id
 */

#define MT_LPM_SMC_MAGIC	0xDA000000
#define MT_LPM_SMC_MAGIC_MASK	0xFF000000
#define MT_LPM_SMC_USER_MASK	0xFF
#define MT_LPM_SMC_USER_SHIFT	16

#define MT_LPM_SMC_USER_ID_MASK	0x0000FFFF

enum mt_lpm_smc_user_id {
	MT_LPM_SMC_USER_CPU_PM = 0,
	MT_LPM_SMC_USER_SPM_DBG,
	MT_LPM_SMC_USER_SPM,
	MT_LPM_SMC_USER_CPU_PM_LP,
	MT_LPM_SMC_USER_SECURE_CPU_PM,
	MT_LPM_SMC_USER_SECURE_SPM_DBG,
	MT_LPM_SMC_USER_SECURE_SPM,
	MT_LPM_SMC_USER_MAX,
};

#define IS_MT_LPM_SMC(smcid) \
	(((smcid) & MT_LPM_SMC_MAGIC_MASK) == MT_LPM_SMC_MAGIC)
#define MT_LPM_SMC_USER(id) \
	(((id) >> MT_LPM_SMC_USER_SHIFT) & MT_LPM_SMC_USER_MASK)
#define MT_LPM_SMC_USER_ID(uid)	(uid & MT_LPM_SMC_USER_ID_MASK)
#define MT_LPM_SMC_USER_SINK(user, uid)	\
	((((uid) & MT_LPM_SMC_USER_ID_MASK) | \
	(((user) & MT_LPM_SMC_USER_MASK) << MT_LPM_SMC_USER_SHIFT)) | \
	MT_LPM_SMC_MAGIC)
#define MT_LPM_SMC_USER_ID_CPU_PM(uid) \
	MT_LPM_SMC_USER_SINK(MT_LPM_SMC_USER_CPU_PM, uid)
#define MT_LPM_SMC_USER_ID_SPM(uid) \
	MT_LPM_SMC_USER_SINK(MT_LPM_SMC_USER_SPM, uid)
#define MT_LPM_SMC_USER_CPU_PM(uid)	MT_LPM_SMC_USER_ID_CPU_PM(uid)

#define MT_LPM_SMC_USER_SPM(uid)	MT_LPM_SMC_USER_ID_SPM(uid)

/* Behavior */
#define MT_LPM_SMC_ACT_SET	BIT(0)
#define MT_LPM_SMC_ACT_CLR	BIT(1)
#define MT_LPM_SMC_ACT_GET	BIT(2)
#define MT_LPM_SMC_ACT_PUSH	BIT(3)
#define MT_LPM_SMC_ACT_POP	BIT(4)
#define MT_LPM_SMC_ACT_SUBMIT	BIT(5)

/* Compatible action for legacy smc from lk */
#define MT_LPM_SMC_ACT_COMPAT	BIT(31)

enum mt_lpm_spmc_compat_id {
	MT_LPM_SPMC_COMPAT_LK_FW_INIT,
	MT_LPM_SPMC_COMPAT_LK_MCDI_WDT_DUMP,
};

#endif /* MT_LPM_SMC_H */