drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c - arm/linux - Git at Google

 /*
  * Copyright 2016 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.
  *
  */

 #include "smumgr.h"
 #include "vega10_inc.h"
 #include "pp_soc15.h"
 #include "vega10_smumgr.h"
 #include "vega10_ppsmc.h"
 #include "smu9_driver_if.h"

 #include "ppatomctrl.h"
 #include "pp_debug.h"
 #include "smu_ucode_xfer_vi.h"
 #include "smu7_smumgr.h"

 #define AVFS_EN_MSB		1568
 #define AVFS_EN_LSB		1568

 #define VOLTAGE_SCALE	4

 /* Microcode file is stored in this buffer */
 #define BUFFER_SIZE                 80000
 #define MAX_STRING_SIZE             15
 #define BUFFER_SIZETWO              131072 /* 128 *1024 */

 /* MP Apertures */
 #define MP0_Public                  0x03800000
 #define MP0_SRAM                    0x03900000
 #define MP1_Public                  0x03b00000
 #define MP1_SRAM                    0x03c00004

 #define smnMP1_FIRMWARE_FLAGS                                                                           0x3010028
 #define smnMP0_FW_INTF                                                                                  0x3010104
 #define smnMP1_PUB_CTRL                                                                                 0x3010b14

 static bool vega10_is_smc_ram_running(struct pp_smumgr *smumgr)
 {
 	uint32_t mp1_fw_flags, reg;

 	reg = soc15_get_register_offset(NBIF_HWID, 0,
 			mmPCIE_INDEX2_BASE_IDX, mmPCIE_INDEX2);

 	cgs_write_register(smumgr->device, reg,
 			(MP1_Public | (smnMP1_FIRMWARE_FLAGS & 0xffffffff)));

 	reg = soc15_get_register_offset(NBIF_HWID, 0,
 			mmPCIE_DATA2_BASE_IDX, mmPCIE_DATA2);

 	mp1_fw_flags = cgs_read_register(smumgr->device, reg);

 	if (mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK)
 		return true;

 	return false;
 }

 /*
  * Check if SMC has responded to previous message.
  *
  * @param    smumgr  the address of the powerplay hardware manager.
  * @return   TRUE    SMC has responded, FALSE otherwise.
  */
 static uint32_t vega10_wait_for_response(struct pp_smumgr *smumgr)
 {
 	uint32_t reg;

 	if (!vega10_is_smc_ram_running(smumgr))
 		return -EINVAL;

 	reg = soc15_get_register_offset(MP1_HWID, 0,
 			mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);

 	smum_wait_for_register_unequal(smumgr, reg,
 			0, MP1_C2PMSG_90__CONTENT_MASK);

 	return cgs_read_register(smumgr->device, reg);
 }

 /*
  * Send a message to the SMC, and do not wait for its response.
  * @param    smumgr  the address of the powerplay hardware manager.
  * @param    msg the message to send.
  * @return   Always return 0.
  */
 int vega10_send_msg_to_smc_without_waiting(struct pp_smumgr *smumgr,
 		uint16_t msg)
 {
 	uint32_t reg;

 	if (!vega10_is_smc_ram_running(smumgr))
 		return -EINVAL;

 	reg = soc15_get_register_offset(MP1_HWID, 0,
 			mmMP1_SMN_C2PMSG_66_BASE_IDX, mmMP1_SMN_C2PMSG_66);
 	cgs_write_register(smumgr->device, reg, msg);

 	return 0;
 }

 /*
  * Send a message to the SMC, and wait for its response.
  * @param    smumgr  the address of the powerplay hardware manager.
  * @param    msg the message to send.
  * @return   Always return 0.
  */
 int vega10_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg)
 {
 	uint32_t reg;

 	if (!vega10_is_smc_ram_running(smumgr))
 		return -EINVAL;

 	vega10_wait_for_response(smumgr);

 	reg = soc15_get_register_offset(MP1_HWID, 0,
 			mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
 	cgs_write_register(smumgr->device, reg, 0);

 	vega10_send_msg_to_smc_without_waiting(smumgr, msg);

 	if (vega10_wait_for_response(smumgr) != 1)
 		pr_err("Failed to send message: 0x%x\n", msg);

 	return 0;
 }

 /*
  * Send a message to the SMC with parameter
  * @param    smumgr:  the address of the powerplay hardware manager.
  * @param    msg: the message to send.
  * @param    parameter: the parameter to send
  * @return   Always return 0.
  */
 int vega10_send_msg_to_smc_with_parameter(struct pp_smumgr *smumgr,
 		uint16_t msg, uint32_t parameter)
 {
 	uint32_t reg;

 	if (!vega10_is_smc_ram_running(smumgr))
 		return -EINVAL;

 	vega10_wait_for_response(smumgr);

 	reg = soc15_get_register_offset(MP1_HWID, 0,
 			mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
 	cgs_write_register(smumgr->device, reg, 0);

 	reg = soc15_get_register_offset(MP1_HWID, 0,
 			mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);
 	cgs_write_register(smumgr->device, reg, parameter);

 	vega10_send_msg_to_smc_without_waiting(smumgr, msg);

 	if (vega10_wait_for_response(smumgr) != 1)
 		pr_err("Failed to send message: 0x%x\n", msg);

 	return 0;
 }


 /*
  * Send a message to the SMC with parameter, do not wait for response
  * @param    smumgr:  the address of the powerplay hardware manager.
  * @param    msg: the message to send.
  * @param    parameter: the parameter to send
  * @return   The response that came from the SMC.
  */
 int vega10_send_msg_to_smc_with_parameter_without_waiting(
 		struct pp_smumgr *smumgr, uint16_t msg, uint32_t parameter)
 {
 	uint32_t reg;

 	reg = soc15_get_register_offset(MP1_HWID, 0,
 			mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);
 	cgs_write_register(smumgr->device, reg, parameter);

 	return vega10_send_msg_to_smc_without_waiting(smumgr, msg);
 }

 /*
  * Retrieve an argument from SMC.
  * @param    smumgr  the address of the powerplay hardware manager.
  * @param    arg     pointer to store the argument from SMC.
  * @return   Always return 0.
  */
 int vega10_read_arg_from_smc(struct pp_smumgr *smumgr, uint32_t *arg)
 {
 	uint32_t reg;

 	reg = soc15_get_register_offset(MP1_HWID, 0,
 			mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);

 	*arg = cgs_read_register(smumgr->device, reg);

 	return 0;
 }

 /*
  * Copy table from SMC into driver FB
  * @param   smumgr    the address of the SMC manager
  * @param   table_id    the driver's table ID to copy from
  */
 int vega10_copy_table_from_smc(struct pp_smumgr *smumgr,
 		uint8_t *table, int16_t table_id)
 {
 	struct vega10_smumgr *priv =
 			(struct vega10_smumgr *)(smumgr->backend);

 	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
 			"Invalid SMU Table ID!", return -EINVAL);
 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
 			"Invalid SMU Table version!", return -EINVAL);
 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
 			"Invalid SMU Table Length!", return -EINVAL);
 	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(smumgr,
 			PPSMC_MSG_SetDriverDramAddrHigh,
 			priv->smu_tables.entry[table_id].table_addr_high) == 0,
 			"[CopyTableFromSMC] Attempt to Set Dram Addr High Failed!", return -EINVAL);
 	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(smumgr,
 			PPSMC_MSG_SetDriverDramAddrLow,
 			priv->smu_tables.entry[table_id].table_addr_low) == 0,
 			"[CopyTableFromSMC] Attempt to Set Dram Addr Low Failed!",
 			return -EINVAL);
 	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(smumgr,
 			PPSMC_MSG_TransferTableSmu2Dram,
 			priv->smu_tables.entry[table_id].table_id) == 0,
 			"[CopyTableFromSMC] Attempt to Transfer Table From SMU Failed!",
 			return -EINVAL);

 	memcpy(table, priv->smu_tables.entry[table_id].table,
 			priv->smu_tables.entry[table_id].size);

 	return 0;
 }

 /*
  * Copy table from Driver FB into SMC
  * @param   smumgr    the address of the SMC manager
  * @param   table_id    the table to copy from
  */
 int vega10_copy_table_to_smc(struct pp_smumgr *smumgr,
 		uint8_t *table, int16_t table_id)
 {
 	struct vega10_smumgr *priv =
 			(struct vega10_smumgr *)(smumgr->backend);

 	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
 			"Invalid SMU Table ID!", return -EINVAL);
 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
 			"Invalid SMU Table version!", return -EINVAL);
 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
 			"Invalid SMU Table Length!", return -EINVAL);

 	memcpy(priv->smu_tables.entry[table_id].table, table,
 			priv->smu_tables.entry[table_id].size);

 	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(smumgr,
 			PPSMC_MSG_SetDriverDramAddrHigh,
 			priv->smu_tables.entry[table_id].table_addr_high) == 0,
 			"[CopyTableToSMC] Attempt to Set Dram Addr High Failed!",
 			return -EINVAL;);
 	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(smumgr,
 			PPSMC_MSG_SetDriverDramAddrLow,
 			priv->smu_tables.entry[table_id].table_addr_low) == 0,
 			"[CopyTableToSMC] Attempt to Set Dram Addr Low Failed!",
 			return -EINVAL);
 	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(smumgr,
 			PPSMC_MSG_TransferTableDram2Smu,
 			priv->smu_tables.entry[table_id].table_id) == 0,
 			"[CopyTableToSMC] Attempt to Transfer Table To SMU Failed!",
 			return -EINVAL);

 	return 0;
 }

 int vega10_save_vft_table(struct pp_smumgr *smumgr, uint8_t *avfs_table)
 {
 	PP_ASSERT_WITH_CODE(avfs_table,
 			"No access to SMC AVFS Table",
 			return -EINVAL);

 	return vega10_copy_table_from_smc(smumgr, avfs_table, AVFSTABLE);
 }

 int vega10_restore_vft_table(struct pp_smumgr *smumgr, uint8_t *avfs_table)
 {
 	PP_ASSERT_WITH_CODE(avfs_table,
 			"No access to SMC AVFS Table",
 			return -EINVAL);

 	return vega10_copy_table_to_smc(smumgr, avfs_table, AVFSTABLE);
 }

 int vega10_enable_smc_features(struct pp_smumgr *smumgr,
 		bool enable, uint32_t feature_mask)
 {
 	int msg = enable ? PPSMC_MSG_EnableSmuFeatures :
 			PPSMC_MSG_DisableSmuFeatures;

 	return vega10_send_msg_to_smc_with_parameter(smumgr,
 			msg, feature_mask);
 }

 int vega10_get_smc_features(struct pp_smumgr *smumgr,
 		uint32_t *features_enabled)
 {
 	if (features_enabled == NULL)
 		return -EINVAL;

 	if (!vega10_send_msg_to_smc(smumgr,
 			PPSMC_MSG_GetEnabledSmuFeatures)) {
 		vega10_read_arg_from_smc(smumgr, features_enabled);
 		return 0;
 	}

 	return -EINVAL;
 }

 int vega10_set_tools_address(struct pp_smumgr *smumgr)
 {
 	struct vega10_smumgr *priv =
 			(struct vega10_smumgr *)(smumgr->backend);

 	if (priv->smu_tables.entry[TOOLSTABLE].table_addr_high ||
 			priv->smu_tables.entry[TOOLSTABLE].table_addr_low) {
 		if (!vega10_send_msg_to_smc_with_parameter(smumgr,
 				PPSMC_MSG_SetToolsDramAddrHigh,
 				priv->smu_tables.entry[TOOLSTABLE].table_addr_high))
 			vega10_send_msg_to_smc_with_parameter(smumgr,
 					PPSMC_MSG_SetToolsDramAddrLow,
 					priv->smu_tables.entry[TOOLSTABLE].table_addr_low);
 	}
 	return 0;
 }

 static int vega10_verify_smc_interface(struct pp_smumgr *smumgr)
 {
 	uint32_t smc_driver_if_version;
 	struct cgs_system_info sys_info = {0};
 	uint32_t dev_id;
 	uint32_t rev_id;

 	PP_ASSERT_WITH_CODE(!vega10_send_msg_to_smc(smumgr,
 			PPSMC_MSG_GetDriverIfVersion),
 			"Attempt to get SMC IF Version Number Failed!",
 			return -EINVAL);
 	vega10_read_arg_from_smc(smumgr, &smc_driver_if_version);

 	sys_info.size = sizeof(struct cgs_system_info);
 	sys_info.info_id = CGS_SYSTEM_INFO_PCIE_DEV;
 	cgs_query_system_info(smumgr->device, &sys_info);
 	dev_id = (uint32_t)sys_info.value;

 	sys_info.size = sizeof(struct cgs_system_info);
 	sys_info.info_id = CGS_SYSTEM_INFO_PCIE_REV;
 	cgs_query_system_info(smumgr->device, &sys_info);
 	rev_id = (uint32_t)sys_info.value;

 	if (!((dev_id == 0x687f) &&
 		((rev_id == 0xc0) ||
 		(rev_id == 0xc1) ||
 		(rev_id == 0xc3)))) {
 		if (smc_driver_if_version != SMU9_DRIVER_IF_VERSION) {
 			pr_err("Your firmware(0x%x) doesn't match \
 				SMU9_DRIVER_IF_VERSION(0x%x). \
 				Please update your firmware!\n",
 				smc_driver_if_version, SMU9_DRIVER_IF_VERSION);
 			return -EINVAL;
 		}
 	}

 	return 0;
 }

 static int vega10_smu_init(struct pp_smumgr *smumgr)
 {
 	struct vega10_smumgr *priv;
 	uint64_t mc_addr;
 	void *kaddr = NULL;
 	unsigned long handle, tools_size;
 	int ret;
 	struct cgs_firmware_info info = {0};

 	ret = cgs_get_firmware_info(smumgr->device,
 				    smu7_convert_fw_type_to_cgs(UCODE_ID_SMU),
 				    &info);
 	if (ret || !info.kptr)
 		return -EINVAL;

 	priv = kzalloc(sizeof(struct vega10_smumgr), GFP_KERNEL);

 	if (!priv)
 		return -ENOMEM;

 	smumgr->backend = priv;

 	/* allocate space for pptable */
 	smu_allocate_memory(smumgr->device,
 			sizeof(PPTable_t),
 			CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
 			PAGE_SIZE,
 			&mc_addr,
 			&kaddr,
 			&handle);

 	PP_ASSERT_WITH_CODE(kaddr,
 			"[vega10_smu_init] Out of memory for pptable.",
 			kfree(smumgr->backend);
 			cgs_free_gpu_mem(smumgr->device,
 			(cgs_handle_t)handle);
 			return -EINVAL);

 	priv->smu_tables.entry[PPTABLE].version = 0x01;
 	priv->smu_tables.entry[PPTABLE].size = sizeof(PPTable_t);
 	priv->smu_tables.entry[PPTABLE].table_id = TABLE_PPTABLE;
 	priv->smu_tables.entry[PPTABLE].table_addr_high =
 			smu_upper_32_bits(mc_addr);
 	priv->smu_tables.entry[PPTABLE].table_addr_low =
 			smu_lower_32_bits(mc_addr);
 	priv->smu_tables.entry[PPTABLE].table = kaddr;
 	priv->smu_tables.entry[PPTABLE].handle = handle;

 	/* allocate space for watermarks table */
 	smu_allocate_memory(smumgr->device,
 			sizeof(Watermarks_t),
 			CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
 			PAGE_SIZE,
 			&mc_addr,
 			&kaddr,
 			&handle);

 	PP_ASSERT_WITH_CODE(kaddr,
 			"[vega10_smu_init] Out of memory for wmtable.",
 			kfree(smumgr->backend);
 			cgs_free_gpu_mem(smumgr->device,
 			(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
 			cgs_free_gpu_mem(smumgr->device,
 			(cgs_handle_t)handle);
 			return -EINVAL);

 	priv->smu_tables.entry[WMTABLE].version = 0x01;
 	priv->smu_tables.entry[WMTABLE].size = sizeof(Watermarks_t);
 	priv->smu_tables.entry[WMTABLE].table_id = TABLE_WATERMARKS;
 	priv->smu_tables.entry[WMTABLE].table_addr_high =
 			smu_upper_32_bits(mc_addr);
 	priv->smu_tables.entry[WMTABLE].table_addr_low =
 			smu_lower_32_bits(mc_addr);
 	priv->smu_tables.entry[WMTABLE].table = kaddr;
 	priv->smu_tables.entry[WMTABLE].handle = handle;

 	/* allocate space for AVFS table */
 	smu_allocate_memory(smumgr->device,
 			sizeof(AvfsTable_t),
 			CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
 			PAGE_SIZE,
 			&mc_addr,
 			&kaddr,
 			&handle);

 	PP_ASSERT_WITH_CODE(kaddr,
 			"[vega10_smu_init] Out of memory for avfs table.",
 			kfree(smumgr->backend);
 			cgs_free_gpu_mem(smumgr->device,
 			(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
 			cgs_free_gpu_mem(smumgr->device,
 			(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
 			cgs_free_gpu_mem(smumgr->device,
 			(cgs_handle_t)handle);
 			return -EINVAL);

 	priv->smu_tables.entry[AVFSTABLE].version = 0x01;
 	priv->smu_tables.entry[AVFSTABLE].size = sizeof(AvfsTable_t);
 	priv->smu_tables.entry[AVFSTABLE].table_id = TABLE_AVFS;
 	priv->smu_tables.entry[AVFSTABLE].table_addr_high =
 			smu_upper_32_bits(mc_addr);
 	priv->smu_tables.entry[AVFSTABLE].table_addr_low =
 			smu_lower_32_bits(mc_addr);
 	priv->smu_tables.entry[AVFSTABLE].table = kaddr;
 	priv->smu_tables.entry[AVFSTABLE].handle = handle;

 	tools_size = 0x19000;
 	if (tools_size) {
 		smu_allocate_memory(smumgr->device,
 				tools_size,
 				CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
 				PAGE_SIZE,
 				&mc_addr,
 				&kaddr,
 				&handle);

 		if (kaddr) {
 			priv->smu_tables.entry[TOOLSTABLE].version = 0x01;
 			priv->smu_tables.entry[TOOLSTABLE].size = tools_size;
 			priv->smu_tables.entry[TOOLSTABLE].table_id = TABLE_PMSTATUSLOG;
 			priv->smu_tables.entry[TOOLSTABLE].table_addr_high =
 					smu_upper_32_bits(mc_addr);
 			priv->smu_tables.entry[TOOLSTABLE].table_addr_low =
 					smu_lower_32_bits(mc_addr);
 			priv->smu_tables.entry[TOOLSTABLE].table = kaddr;
 			priv->smu_tables.entry[TOOLSTABLE].handle = handle;
 		}
 	}

 	/* allocate space for AVFS Fuse table */
 	smu_allocate_memory(smumgr->device,
 			sizeof(AvfsFuseOverride_t),
 			CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
 			PAGE_SIZE,
 			&mc_addr,
 			&kaddr,
 			&handle);

 	PP_ASSERT_WITH_CODE(kaddr,
 			"[vega10_smu_init] Out of memory for avfs fuse table.",
 			kfree(smumgr->backend);
 			cgs_free_gpu_mem(smumgr->device,
 			(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
 			cgs_free_gpu_mem(smumgr->device,
 			(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
 			cgs_free_gpu_mem(smumgr->device,
 			(cgs_handle_t)priv->smu_tables.entry[AVFSTABLE].handle);
 			cgs_free_gpu_mem(smumgr->device,
 			(cgs_handle_t)priv->smu_tables.entry[TOOLSTABLE].handle);
 			cgs_free_gpu_mem(smumgr->device,
 			(cgs_handle_t)handle);
 			return -EINVAL);

 	priv->smu_tables.entry[AVFSFUSETABLE].version = 0x01;
 	priv->smu_tables.entry[AVFSFUSETABLE].size = sizeof(AvfsFuseOverride_t);
 	priv->smu_tables.entry[AVFSFUSETABLE].table_id = TABLE_AVFS_FUSE_OVERRIDE;
 	priv->smu_tables.entry[AVFSFUSETABLE].table_addr_high =
 			smu_upper_32_bits(mc_addr);
 	priv->smu_tables.entry[AVFSFUSETABLE].table_addr_low =
 			smu_lower_32_bits(mc_addr);
 	priv->smu_tables.entry[AVFSFUSETABLE].table = kaddr;
 	priv->smu_tables.entry[AVFSFUSETABLE].handle = handle;

 	return 0;
 }

 static int vega10_smu_fini(struct pp_smumgr *smumgr)
 {
 	struct vega10_smumgr *priv =
 			(struct vega10_smumgr *)(smumgr->backend);

 	if (priv) {
 		cgs_free_gpu_mem(smumgr->device,
 				(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
 		cgs_free_gpu_mem(smumgr->device,
 				(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
 		cgs_free_gpu_mem(smumgr->device,
 				(cgs_handle_t)priv->smu_tables.entry[AVFSTABLE].handle);
 		if (priv->smu_tables.entry[TOOLSTABLE].table)
 			cgs_free_gpu_mem(smumgr->device,
 					(cgs_handle_t)priv->smu_tables.entry[TOOLSTABLE].handle);
 		cgs_free_gpu_mem(smumgr->device,
 				(cgs_handle_t)priv->smu_tables.entry[AVFSFUSETABLE].handle);
 		kfree(smumgr->backend);
 		smumgr->backend = NULL;
 	}
 	return 0;
 }

 static int vega10_start_smu(struct pp_smumgr *smumgr)
 {
 	PP_ASSERT_WITH_CODE(!vega10_verify_smc_interface(smumgr),
 			"Failed to verify SMC interface!",
 			return -EINVAL);

 	vega10_set_tools_address(smumgr);

 	return 0;
 }

 const struct pp_smumgr_func vega10_smu_funcs = {
 	.smu_init = &vega10_smu_init,
 	.smu_fini = &vega10_smu_fini,
 	.start_smu = &vega10_start_smu,
 	.request_smu_load_specific_fw = NULL,
 	.send_msg_to_smc = &vega10_send_msg_to_smc,
 	.send_msg_to_smc_with_parameter = &vega10_send_msg_to_smc_with_parameter,
 	.download_pptable_settings = NULL,
 	.upload_pptable_settings = NULL,
 };
	/*
	* Copyright 2016 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.
	*
	*/

	#include "smumgr.h"
	#include "vega10_inc.h"
	#include "pp_soc15.h"
	#include "vega10_smumgr.h"
	#include "vega10_ppsmc.h"
	#include "smu9_driver_if.h"

	#include "ppatomctrl.h"
	#include "pp_debug.h"
	#include "smu_ucode_xfer_vi.h"
	#include "smu7_smumgr.h"

	#define AVFS_EN_MSB 1568
	#define AVFS_EN_LSB 1568

	#define VOLTAGE_SCALE 4

	/* Microcode file is stored in this buffer */
	#define BUFFER_SIZE 80000
	#define MAX_STRING_SIZE 15
	#define BUFFER_SIZETWO 131072 /* 128 1024 /

	/* MP Apertures */
	#define MP0_Public 0x03800000
	#define MP0_SRAM 0x03900000
	#define MP1_Public 0x03b00000
	#define MP1_SRAM 0x03c00004

	#define smnMP1_FIRMWARE_FLAGS 0x3010028
	#define smnMP0_FW_INTF 0x3010104
	#define smnMP1_PUB_CTRL 0x3010b14

	static bool vega10_is_smc_ram_running(struct pp_smumgr *smumgr)
	{
	uint32_t mp1_fw_flags, reg;

	reg = soc15_get_register_offset(NBIF_HWID, 0,
	mmPCIE_INDEX2_BASE_IDX, mmPCIE_INDEX2);

	cgs_write_register(smumgr->device, reg,
	(MP1_Public \| (smnMP1_FIRMWARE_FLAGS & 0xffffffff)));

	reg = soc15_get_register_offset(NBIF_HWID, 0,
	mmPCIE_DATA2_BASE_IDX, mmPCIE_DATA2);

	mp1_fw_flags = cgs_read_register(smumgr->device, reg);

	if (mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK)
	return true;

	return false;
	}

	/*
	* Check if SMC has responded to previous message.
	*
	* @param smumgr the address of the powerplay hardware manager.
	* @return TRUE SMC has responded, FALSE otherwise.
	*/
	static uint32_t vega10_wait_for_response(struct pp_smumgr *smumgr)
	{
	uint32_t reg;

	if (!vega10_is_smc_ram_running(smumgr))
	return -EINVAL;

	reg = soc15_get_register_offset(MP1_HWID, 0,
	mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);

	smum_wait_for_register_unequal(smumgr, reg,
	0, MP1_C2PMSG_90__CONTENT_MASK);

	return cgs_read_register(smumgr->device, reg);
	}

	/*
	* Send a message to the SMC, and do not wait for its response.
	* @param smumgr the address of the powerplay hardware manager.
	* @param msg the message to send.
	* @return Always return 0.
	*/
	int vega10_send_msg_to_smc_without_waiting(struct pp_smumgr *smumgr,
	uint16_t msg)
	{
	uint32_t reg;

	if (!vega10_is_smc_ram_running(smumgr))
	return -EINVAL;

	reg = soc15_get_register_offset(MP1_HWID, 0,
	mmMP1_SMN_C2PMSG_66_BASE_IDX, mmMP1_SMN_C2PMSG_66);
	cgs_write_register(smumgr->device, reg, msg);

	return 0;
	}

	/*
	* Send a message to the SMC, and wait for its response.
	* @param smumgr the address of the powerplay hardware manager.
	* @param msg the message to send.
	* @return Always return 0.
	*/
	int vega10_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg)
	{
	uint32_t reg;

	if (!vega10_is_smc_ram_running(smumgr))
	return -EINVAL;

	vega10_wait_for_response(smumgr);

	reg = soc15_get_register_offset(MP1_HWID, 0,
	mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
	cgs_write_register(smumgr->device, reg, 0);

	vega10_send_msg_to_smc_without_waiting(smumgr, msg);

	if (vega10_wait_for_response(smumgr) != 1)
	pr_err("Failed to send message: 0x%x\n", msg);

	return 0;
	}

	/*
	* Send a message to the SMC with parameter
	* @param smumgr: the address of the powerplay hardware manager.
	* @param msg: the message to send.
	* @param parameter: the parameter to send
	* @return Always return 0.
	*/
	int vega10_send_msg_to_smc_with_parameter(struct pp_smumgr *smumgr,
	uint16_t msg, uint32_t parameter)
	{
	uint32_t reg;

	if (!vega10_is_smc_ram_running(smumgr))
	return -EINVAL;

	vega10_wait_for_response(smumgr);

	reg = soc15_get_register_offset(MP1_HWID, 0,
	mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
	cgs_write_register(smumgr->device, reg, 0);

	reg = soc15_get_register_offset(MP1_HWID, 0,
	mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);
	cgs_write_register(smumgr->device, reg, parameter);

	vega10_send_msg_to_smc_without_waiting(smumgr, msg);

	if (vega10_wait_for_response(smumgr) != 1)
	pr_err("Failed to send message: 0x%x\n", msg);

	return 0;
	}


	/*
	* Send a message to the SMC with parameter, do not wait for response
	* @param smumgr: the address of the powerplay hardware manager.
	* @param msg: the message to send.
	* @param parameter: the parameter to send
	* @return The response that came from the SMC.
	*/
	int vega10_send_msg_to_smc_with_parameter_without_waiting(
	struct pp_smumgr *smumgr, uint16_t msg, uint32_t parameter)
	{
	uint32_t reg;

	reg = soc15_get_register_offset(MP1_HWID, 0,
	mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);
	cgs_write_register(smumgr->device, reg, parameter);

	return vega10_send_msg_to_smc_without_waiting(smumgr, msg);
	}

	/*
	* Retrieve an argument from SMC.
	* @param smumgr the address of the powerplay hardware manager.
	* @param arg pointer to store the argument from SMC.
	* @return Always return 0.
	*/
	int vega10_read_arg_from_smc(struct pp_smumgr smumgr, uint32_t arg)
	{
	uint32_t reg;

	reg = soc15_get_register_offset(MP1_HWID, 0,
	mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);

	*arg = cgs_read_register(smumgr->device, reg);

	return 0;
	}

	/*
	* Copy table from SMC into driver FB
	* @param smumgr the address of the SMC manager
	* @param table_id the driver's table ID to copy from
	*/
	int vega10_copy_table_from_smc(struct pp_smumgr *smumgr,
	uint8_t *table, int16_t table_id)
	{
	struct vega10_smumgr *priv =
	(struct vega10_smumgr *)(smumgr->backend);

	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
	"Invalid SMU Table ID!", return -EINVAL);
	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
	"Invalid SMU Table version!", return -EINVAL);
	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
	"Invalid SMU Table Length!", return -EINVAL);
	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(smumgr,
	PPSMC_MSG_SetDriverDramAddrHigh,
	priv->smu_tables.entry[table_id].table_addr_high) == 0,
	"[CopyTableFromSMC] Attempt to Set Dram Addr High Failed!", return -EINVAL);
	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(smumgr,
	PPSMC_MSG_SetDriverDramAddrLow,
	priv->smu_tables.entry[table_id].table_addr_low) == 0,
	"[CopyTableFromSMC] Attempt to Set Dram Addr Low Failed!",
	return -EINVAL);
	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(smumgr,
	PPSMC_MSG_TransferTableSmu2Dram,
	priv->smu_tables.entry[table_id].table_id) == 0,
	"[CopyTableFromSMC] Attempt to Transfer Table From SMU Failed!",
	return -EINVAL);

	memcpy(table, priv->smu_tables.entry[table_id].table,
	priv->smu_tables.entry[table_id].size);

	return 0;
	}

	/*
	* Copy table from Driver FB into SMC
	* @param smumgr the address of the SMC manager
	* @param table_id the table to copy from
	*/
	int vega10_copy_table_to_smc(struct pp_smumgr *smumgr,
	uint8_t *table, int16_t table_id)
	{
	struct vega10_smumgr *priv =
	(struct vega10_smumgr *)(smumgr->backend);

	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
	"Invalid SMU Table ID!", return -EINVAL);
	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
	"Invalid SMU Table version!", return -EINVAL);
	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
	"Invalid SMU Table Length!", return -EINVAL);

	memcpy(priv->smu_tables.entry[table_id].table, table,
	priv->smu_tables.entry[table_id].size);

	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(smumgr,
	PPSMC_MSG_SetDriverDramAddrHigh,
	priv->smu_tables.entry[table_id].table_addr_high) == 0,
	"[CopyTableToSMC] Attempt to Set Dram Addr High Failed!",
	return -EINVAL;);
	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(smumgr,
	PPSMC_MSG_SetDriverDramAddrLow,
	priv->smu_tables.entry[table_id].table_addr_low) == 0,
	"[CopyTableToSMC] Attempt to Set Dram Addr Low Failed!",
	return -EINVAL);
	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(smumgr,
	PPSMC_MSG_TransferTableDram2Smu,
	priv->smu_tables.entry[table_id].table_id) == 0,
	"[CopyTableToSMC] Attempt to Transfer Table To SMU Failed!",
	return -EINVAL);

	return 0;
	}

	int vega10_save_vft_table(struct pp_smumgr smumgr, uint8_t avfs_table)
	{
	PP_ASSERT_WITH_CODE(avfs_table,
	"No access to SMC AVFS Table",
	return -EINVAL);

	return vega10_copy_table_from_smc(smumgr, avfs_table, AVFSTABLE);
	}

	int vega10_restore_vft_table(struct pp_smumgr smumgr, uint8_t avfs_table)
	{
	PP_ASSERT_WITH_CODE(avfs_table,
	"No access to SMC AVFS Table",
	return -EINVAL);

	return vega10_copy_table_to_smc(smumgr, avfs_table, AVFSTABLE);
	}

	int vega10_enable_smc_features(struct pp_smumgr *smumgr,
	bool enable, uint32_t feature_mask)
	{
	int msg = enable ? PPSMC_MSG_EnableSmuFeatures :
	PPSMC_MSG_DisableSmuFeatures;

	return vega10_send_msg_to_smc_with_parameter(smumgr,
	msg, feature_mask);
	}

	int vega10_get_smc_features(struct pp_smumgr *smumgr,
	uint32_t *features_enabled)
	{
	if (features_enabled == NULL)
	return -EINVAL;

	if (!vega10_send_msg_to_smc(smumgr,
	PPSMC_MSG_GetEnabledSmuFeatures)) {
	vega10_read_arg_from_smc(smumgr, features_enabled);
	return 0;
	}

	return -EINVAL;
	}

	int vega10_set_tools_address(struct pp_smumgr *smumgr)
	{
	struct vega10_smumgr *priv =
	(struct vega10_smumgr *)(smumgr->backend);

	if (priv->smu_tables.entry[TOOLSTABLE].table_addr_high \|\|
	priv->smu_tables.entry[TOOLSTABLE].table_addr_low) {
	if (!vega10_send_msg_to_smc_with_parameter(smumgr,
	PPSMC_MSG_SetToolsDramAddrHigh,
	priv->smu_tables.entry[TOOLSTABLE].table_addr_high))
	vega10_send_msg_to_smc_with_parameter(smumgr,
	PPSMC_MSG_SetToolsDramAddrLow,
	priv->smu_tables.entry[TOOLSTABLE].table_addr_low);
	}
	return 0;
	}

	static int vega10_verify_smc_interface(struct pp_smumgr *smumgr)
	{
	uint32_t smc_driver_if_version;
	struct cgs_system_info sys_info = {0};
	uint32_t dev_id;
	uint32_t rev_id;

	PP_ASSERT_WITH_CODE(!vega10_send_msg_to_smc(smumgr,
	PPSMC_MSG_GetDriverIfVersion),
	"Attempt to get SMC IF Version Number Failed!",
	return -EINVAL);
	vega10_read_arg_from_smc(smumgr, &smc_driver_if_version);

	sys_info.size = sizeof(struct cgs_system_info);
	sys_info.info_id = CGS_SYSTEM_INFO_PCIE_DEV;
	cgs_query_system_info(smumgr->device, &sys_info);
	dev_id = (uint32_t)sys_info.value;

	sys_info.size = sizeof(struct cgs_system_info);
	sys_info.info_id = CGS_SYSTEM_INFO_PCIE_REV;
	cgs_query_system_info(smumgr->device, &sys_info);
	rev_id = (uint32_t)sys_info.value;

	if (!((dev_id == 0x687f) &&
	((rev_id == 0xc0) \|\|
	(rev_id == 0xc1) \|\|
	(rev_id == 0xc3)))) {
	if (smc_driver_if_version != SMU9_DRIVER_IF_VERSION) {
	pr_err("Your firmware(0x%x) doesn't match \
	SMU9_DRIVER_IF_VERSION(0x%x). \
	Please update your firmware!\n",
	smc_driver_if_version, SMU9_DRIVER_IF_VERSION);
	return -EINVAL;
	}
	}

	return 0;
	}

	static int vega10_smu_init(struct pp_smumgr *smumgr)
	{
	struct vega10_smumgr *priv;
	uint64_t mc_addr;
	void *kaddr = NULL;
	unsigned long handle, tools_size;
	int ret;
	struct cgs_firmware_info info = {0};

	ret = cgs_get_firmware_info(smumgr->device,
	smu7_convert_fw_type_to_cgs(UCODE_ID_SMU),
	&info);
	if (ret \|\| !info.kptr)
	return -EINVAL;

	priv = kzalloc(sizeof(struct vega10_smumgr), GFP_KERNEL);

	if (!priv)
	return -ENOMEM;

	smumgr->backend = priv;

	/* allocate space for pptable */
	smu_allocate_memory(smumgr->device,
	sizeof(PPTable_t),
	CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
	PAGE_SIZE,
	&mc_addr,
	&kaddr,
	&handle);

	PP_ASSERT_WITH_CODE(kaddr,
	"[vega10_smu_init] Out of memory for pptable.",
	kfree(smumgr->backend);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)handle);
	return -EINVAL);

	priv->smu_tables.entry[PPTABLE].version = 0x01;
	priv->smu_tables.entry[PPTABLE].size = sizeof(PPTable_t);
	priv->smu_tables.entry[PPTABLE].table_id = TABLE_PPTABLE;
	priv->smu_tables.entry[PPTABLE].table_addr_high =
	smu_upper_32_bits(mc_addr);
	priv->smu_tables.entry[PPTABLE].table_addr_low =
	smu_lower_32_bits(mc_addr);
	priv->smu_tables.entry[PPTABLE].table = kaddr;
	priv->smu_tables.entry[PPTABLE].handle = handle;

	/* allocate space for watermarks table */
	smu_allocate_memory(smumgr->device,
	sizeof(Watermarks_t),
	CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
	PAGE_SIZE,
	&mc_addr,
	&kaddr,
	&handle);

	PP_ASSERT_WITH_CODE(kaddr,
	"[vega10_smu_init] Out of memory for wmtable.",
	kfree(smumgr->backend);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)handle);
	return -EINVAL);

	priv->smu_tables.entry[WMTABLE].version = 0x01;
	priv->smu_tables.entry[WMTABLE].size = sizeof(Watermarks_t);
	priv->smu_tables.entry[WMTABLE].table_id = TABLE_WATERMARKS;
	priv->smu_tables.entry[WMTABLE].table_addr_high =
	smu_upper_32_bits(mc_addr);
	priv->smu_tables.entry[WMTABLE].table_addr_low =
	smu_lower_32_bits(mc_addr);
	priv->smu_tables.entry[WMTABLE].table = kaddr;
	priv->smu_tables.entry[WMTABLE].handle = handle;

	/* allocate space for AVFS table */
	smu_allocate_memory(smumgr->device,
	sizeof(AvfsTable_t),
	CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
	PAGE_SIZE,
	&mc_addr,
	&kaddr,
	&handle);

	PP_ASSERT_WITH_CODE(kaddr,
	"[vega10_smu_init] Out of memory for avfs table.",
	kfree(smumgr->backend);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)handle);
	return -EINVAL);

	priv->smu_tables.entry[AVFSTABLE].version = 0x01;
	priv->smu_tables.entry[AVFSTABLE].size = sizeof(AvfsTable_t);
	priv->smu_tables.entry[AVFSTABLE].table_id = TABLE_AVFS;
	priv->smu_tables.entry[AVFSTABLE].table_addr_high =
	smu_upper_32_bits(mc_addr);
	priv->smu_tables.entry[AVFSTABLE].table_addr_low =
	smu_lower_32_bits(mc_addr);
	priv->smu_tables.entry[AVFSTABLE].table = kaddr;
	priv->smu_tables.entry[AVFSTABLE].handle = handle;

	tools_size = 0x19000;
	if (tools_size) {
	smu_allocate_memory(smumgr->device,
	tools_size,
	CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
	PAGE_SIZE,
	&mc_addr,
	&kaddr,
	&handle);

	if (kaddr) {
	priv->smu_tables.entry[TOOLSTABLE].version = 0x01;
	priv->smu_tables.entry[TOOLSTABLE].size = tools_size;
	priv->smu_tables.entry[TOOLSTABLE].table_id = TABLE_PMSTATUSLOG;
	priv->smu_tables.entry[TOOLSTABLE].table_addr_high =
	smu_upper_32_bits(mc_addr);
	priv->smu_tables.entry[TOOLSTABLE].table_addr_low =
	smu_lower_32_bits(mc_addr);
	priv->smu_tables.entry[TOOLSTABLE].table = kaddr;
	priv->smu_tables.entry[TOOLSTABLE].handle = handle;
	}
	}

	/* allocate space for AVFS Fuse table */
	smu_allocate_memory(smumgr->device,
	sizeof(AvfsFuseOverride_t),
	CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
	PAGE_SIZE,
	&mc_addr,
	&kaddr,
	&handle);

	PP_ASSERT_WITH_CODE(kaddr,
	"[vega10_smu_init] Out of memory for avfs fuse table.",
	kfree(smumgr->backend);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)priv->smu_tables.entry[AVFSTABLE].handle);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)priv->smu_tables.entry[TOOLSTABLE].handle);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)handle);
	return -EINVAL);

	priv->smu_tables.entry[AVFSFUSETABLE].version = 0x01;
	priv->smu_tables.entry[AVFSFUSETABLE].size = sizeof(AvfsFuseOverride_t);
	priv->smu_tables.entry[AVFSFUSETABLE].table_id = TABLE_AVFS_FUSE_OVERRIDE;
	priv->smu_tables.entry[AVFSFUSETABLE].table_addr_high =
	smu_upper_32_bits(mc_addr);
	priv->smu_tables.entry[AVFSFUSETABLE].table_addr_low =
	smu_lower_32_bits(mc_addr);
	priv->smu_tables.entry[AVFSFUSETABLE].table = kaddr;
	priv->smu_tables.entry[AVFSFUSETABLE].handle = handle;

	return 0;
	}

	static int vega10_smu_fini(struct pp_smumgr *smumgr)
	{
	struct vega10_smumgr *priv =
	(struct vega10_smumgr *)(smumgr->backend);

	if (priv) {
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)priv->smu_tables.entry[AVFSTABLE].handle);
	if (priv->smu_tables.entry[TOOLSTABLE].table)
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)priv->smu_tables.entry[TOOLSTABLE].handle);
	cgs_free_gpu_mem(smumgr->device,
	(cgs_handle_t)priv->smu_tables.entry[AVFSFUSETABLE].handle);
	kfree(smumgr->backend);
	smumgr->backend = NULL;
	}
	return 0;
	}

	static int vega10_start_smu(struct pp_smumgr *smumgr)
	{
	PP_ASSERT_WITH_CODE(!vega10_verify_smc_interface(smumgr),
	"Failed to verify SMC interface!",
	return -EINVAL);

	vega10_set_tools_address(smumgr);

	return 0;
	}

	const struct pp_smumgr_func vega10_smu_funcs = {
	.smu_init = &vega10_smu_init,
	.smu_fini = &vega10_smu_fini,
	.start_smu = &vega10_start_smu,
	.request_smu_load_specific_fw = NULL,
	.send_msg_to_smc = &vega10_send_msg_to_smc,
	.send_msg_to_smc_with_parameter = &vega10_send_msg_to_smc_with_parameter,
	.download_pptable_settings = NULL,
	.upload_pptable_settings = NULL,
	};