feat(mediatek): add new features of LPM
Add new functions and intefaces of LPM to support more interactions
between LPM providers and users.
Change-Id: I8ebbda0c0ef5be3a7a388a38c09424ebf785996f
diff --git a/plat/mediatek/include/lpm/mt_lpm_smc.h b/plat/mediatek/include/lpm/mt_lpm_smc.h
new file mode 100644
index 0000000..0117ca9
--- /dev/null
+++ b/plat/mediatek/include/lpm/mt_lpm_smc.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2023, 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)
+
+/*
+ * cpu_pm is used for MCDI to read/write CPC information
+ * spm_dbg is used for spm related debug information
+ * spm is used for spm related settings
+ * cpu_pm_lp is used for MCDI setting irq_remain
+ */
+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)
+
+/* get real user id */
+#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)
+
+/* sink user id to smc's user id */
+#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)
+
+/* sink cpu pm's smc id */
+#define MT_LPM_SMC_USER_ID_CPU_PM(uid) MT_LPM_SMC_USER_SINK(MT_LPM_SMC_USER_CPU_PM, uid)
+/* sink spm's smc id */
+#define MT_LPM_SMC_USER_ID_SPM(uid) MT_LPM_SMC_USER_SINK(MT_LPM_SMC_USER_SPM, uid)
+
+/* sink cpu pm's user id */
+#define MT_LPM_SMC_USER_CPU_PM(uid) MT_LPM_SMC_USER_ID_CPU_PM(uid)
+
+/* sink spm's user id */
+#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 */