--- /dev/null
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef SMU_13_0_1_PPSMC_H
+#define SMU_13_0_1_PPSMC_H
+
+/** @def PPS_PMFW_IF_VER
+* PPS (PPLib) to PMFW IF version 1.0
+*/
+#define PPS_PMFW_IF_VER "1.0" ///< Major.Minor
+
+/** @defgroup ResponseCodes PMFW Response Codes:
+* @{
+*/
+#define PPSMC_Result_OK 0x1 ///< Message Response OK
+#define PPSMC_Result_Failed 0xFF ///< Message Response Failed
+#define PPSMC_Result_UnknownCmd 0xFE ///< Message Response Unknown Command
+#define PPSMC_Result_CmdRejectedPrereq 0xFD ///< Message Response Command Failed Prerequisite
+#define PPSMC_Result_CmdRejectedBusy 0xFC ///< Message Response Command Rejected due to PMFW is busy. Sender should retry sending this message
+/** @}*/
+
+/** @defgroup definitions Message definitions
+* @{
+*/
+#define PPSMC_MSG_TestMessage 0x01 ///< To check if PMFW is alive and responding. Requirement specified by PMFW team
+#define PPSMC_MSG_GetSmuVersion 0x02 ///< Get PMFW version
+#define PPSMC_MSG_GetDriverIfVersion 0x03 ///< Get PMFW_DRIVER_IF version
+#define PPSMC_MSG_EnableGfxOff 0x04 ///< Enable GFXOFF
+#define PPSMC_MSG_DisableGfxOff 0x05 ///< Disable GFXOFF
+#define PPSMC_MSG_PowerDownVcn 0x06 ///< Power down VCN
+#define PPSMC_MSG_PowerUpVcn 0x07 ///< Power up VCN; VCN is power gated by default
+#define PPSMC_MSG_SetHardMinVcn 0x08 ///< For wireless display
+#define PPSMC_MSG_SetSoftMinGfxclk 0x09 ///< Set SoftMin for GFXCLK, argument is frequency in MHz
+#define PPSMC_MSG_ActiveProcessNotify 0x0A ///< Set active work load type
+#define PPSMC_MSG_ForcePowerDownGfx 0x0B ///< Force power down GFX, i.e. enter GFXOFF
+#define PPSMC_MSG_PrepareMp1ForUnload 0x0C ///< Prepare PMFW for GFX driver unload
+#define PPSMC_MSG_SetDriverDramAddrHigh 0x0D ///< Set high 32 bits of DRAM address for Driver table transfer
+#define PPSMC_MSG_SetDriverDramAddrLow 0x0E ///< Set low 32 bits of DRAM address for Driver table transfer
+#define PPSMC_MSG_TransferTableSmu2Dram 0x0F ///< Transfer driver interface table from PMFW SRAM to DRAM
+#define PPSMC_MSG_TransferTableDram2Smu 0x10 ///< Transfer driver interface table from DRAM to PMFW SRAM
+#define PPSMC_MSG_GfxDeviceDriverReset 0x11 ///< Request GFX mode 2 reset
+#define PPSMC_MSG_GetEnabledSmuFeatures 0x12 ///< Get enabled features in PMFW
+#define PPSMC_MSG_SetHardMinSocclkByFreq 0x13 ///< Set hard min for SOC CLK
+#define PPSMC_MSG_SetSoftMinFclk 0x14 ///< Set hard min for FCLK
+#define PPSMC_MSG_SetSoftMinVcn 0x15 ///< Set soft min for VCN clocks (VCLK and DCLK)
+#define PPSMC_MSG_SPARE0 0x16 ///< Spared
+#define PPSMC_MSG_GetGfxclkFrequency 0x17 ///< Get GFX clock frequency
+#define PPSMC_MSG_GetFclkFrequency 0x18 ///< Get FCLK frequency
+#define PPSMC_MSG_AllowGfxOff 0x19 ///< Inform PMFW of allowing GFXOFF entry
+#define PPSMC_MSG_DisallowGfxOff 0x1A ///< Inform PMFW of disallowing GFXOFF entry
+#define PPSMC_MSG_SetSoftMaxGfxClk 0x1B ///< Set soft max for GFX CLK
+#define PPSMC_MSG_SetHardMinGfxClk 0x1C ///< Set hard min for GFX CLK
+#define PPSMC_MSG_SetSoftMaxSocclkByFreq 0x1D ///< Set soft max for SOC CLK
+#define PPSMC_MSG_SetSoftMaxFclkByFreq 0x1E ///< Set soft max for FCLK
+#define PPSMC_MSG_SetSoftMaxVcn 0x1F ///< Set soft max for VCN clocks (VCLK and DCLK)
+#define PPSMC_MSG_SetPowerLimitPercentage 0x20 ///< Set power limit percentage
+#define PPSMC_MSG_PowerDownJpeg 0x21 ///< Power down Jpeg
+#define PPSMC_MSG_PowerUpJpeg 0x22 ///< Power up Jpeg; VCN is power gated by default
+#define PPSMC_MSG_SetHardMinFclkByFreq 0x23 ///< Set hard min for FCLK
+#define PPSMC_MSG_SetSoftMinSocclkByFreq 0x24 ///< Set soft min for SOC CLK
+#define PPSMC_MSG_AllowZstates 0x25 ///< Inform PMFM of allowing Zstate entry, i.e. no Miracast activity
+#define PPSMC_MSG_DisallowZstates 0x26 ///< Inform PMFW of disallowing Zstate entry, i.e. there is Miracast activity
+#define PPSMC_MSG_RequestActiveWgp 0x27 ///< Request GFX active WGP number
+#define PPSMC_MSG_QueryActiveWgp 0x28 ///< Query the anumber of active WGP number
+#define PPSMC_Message_Count 0x29 ///< Total number of PPS messages
+/** @}*/
+
+/** @enum Mode_Reset_e
+* Mode reset type, argument for PPSMC_MSG_GfxDeviceDriverReset
+*/
+typedef enum {
+ MODE1_RESET = 1, ///< Mode reset type 1
+ MODE2_RESET = 2 ///< Mode reset type 2
+} Mode_Reset_e;
+/** @}*/
+
+#endif