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_lp_api.h b/plat/mediatek/include/lpm/mt_lp_api.h
new file mode 100644
index 0000000..00a2802
--- /dev/null
+++ b/plat/mediatek/include/lpm/mt_lp_api.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2023, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_LP_API_H
+#define MT_LP_API_H
+
+#include <lpm/mt_lp_rm.h>
+
+#if MTK_PUBEVENT_ENABLE
+#include <vendor_pubsub_events.h>
+#endif
+
+/* Ufs clk enum for PLAT_RC_CLKBUF_STATUS */
+enum rc_update_ex_ufs_ref_clk {
+ UFS_REF_CLK_OFF = 0,
+ UFS_REF_CLK_ON,
+};
+
+/* Enum for flight mode */
+enum rc_update_ex_flight_mode {
+ FLIGHT_MODE_OFF = 0,
+ FLIGHT_MODE_ON,
+};
+
+struct mt_lpm_pubevent_data {
+ unsigned int u32;
+};
+
+enum mt_lpm_pubevents_id {
+ MT_LPM_PUBEVENTS_BBLPM_ENTER,
+ MT_LPM_PUBEVENTS_BBLPM_LEAVE,
+ MT_LPM_PUBEVENTS_TARGET_CORE,
+ MT_LPM_PUBEVENTS_SYS_POWER_OFF,
+ MT_LPM_PUBEVENTS_SYS_POWER_ON,
+};
+
+struct mt_lp_publish_event {
+ unsigned int id;
+ struct mt_lpm_pubevent_data val;
+};
+
+#if MTK_PUBEVENT_ENABLE
+#define MT_LP_PUBLISH_EVENT(x) ({\
+ PUBLISH_EVENT_ARG(lpm_publish_event, (const void *)(x)); })
+#define MT_LP_SUSPEND_PUBLISH_EVENT(x) ({\
+ PUBLISH_EVENT_ARG(suspend_publish_event, (const void *)(x)); })
+
+#define MT_LP_SUBSCRIBE_SUSPEND(func) SUBSCRIBE_TO_EVENT(suspend_publish_event, func)
+#define MT_LP_SUBSCRIBE_LPM(func) SUBSCRIBE_TO_EVENT(lpm_publish_event, func)
+#else
+#define MT_LP_PUBLISH_EVENT(x) ({ (void)x; })
+#define MT_LP_SUSPEND_PUBLISH_EVENT(x) ({ (void)x; })
+#define MT_LP_SUBSCRIBE_SUSPEND(func)
+#define MT_LP_SUBSCRIBE_LPM(func)
+#endif
+
+/* MTK low power API types for audio */
+enum mt_lp_api_audio_type {
+ AUDIO_AFE_ENTER,
+ AUDIO_AFE_LEAVE,
+ AUDIO_DSP_ENTER,
+ AUDIO_DSP_LEAVE,
+};
+
+/* MTK low power API types for usb */
+enum mt_lp_api_usb_type {
+ LPM_USB_ENTER,
+ LPM_USB_LEAVE,
+};
+
+int mt_audio_update(int type);
+int mtk_usb_update(int type);
+
+#endif /* MT_LP_API_H */