feat(plat/mediatek/mt8195): add SPM suspend driver
Support DRAM/MAINPLL/26M off when system suspend.
Signed-off-by: Edward-JW Yang <edward-jw.yang@mediatek.corp-partner.google.com>
Change-Id: Ib8502f9b0b4e47aa405e5449f0b6d483bd3f5d77
diff --git a/plat/mediatek/mt8195/drivers/spm/mt_spm_conservation.h b/plat/mediatek/mt8195/drivers/spm/mt_spm_conservation.h
new file mode 100644
index 0000000..aa627e7
--- /dev/null
+++ b/plat/mediatek/mt8195/drivers/spm/mt_spm_conservation.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_SPM_CONSERVATION_H
+#define MT_SPM_CONSERVATION_H
+
+#include <mt_spm_internal.h>
+
+extern int spm_conservation(int state_id, unsigned int ext_opand,
+ struct spm_lp_scen *spm_lp,
+ unsigned int resource_req);
+extern void spm_conservation_finish(int state_id, unsigned int ext_opand,
+ struct spm_lp_scen *spm_lp,
+ struct wake_status **status);
+extern int spm_conservation_get_result(struct wake_status **res);
+extern void spm_conservation_pwrctrl_init(struct pwr_ctrl *pwrctrl);
+#endif /* MT_SPM_CONSERVATION_H */