drm/amd/powerplay: add Fiji SMU support.

Add support for the SMU manager for Fiji. This handles the
firmware loading for other IP blocks (GFX, SDMA, etc.).
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>

drivers/gpu/drm/amd/powerplay/smumgr/Makefile

@@ -2,7 +2,7 @@
 # Makefile for the 'smu manager' sub-component of powerplay.
 # It provides the smu management services for the driver.
 
-SMU_MGR = smumgr.o cz_smumgr.o tonga_smumgr.o
+SMU_MGR = smumgr.o cz_smumgr.o tonga_smumgr.o fiji_smumgr.o
 
 AMD_PP_SMUMGR = $(addprefix $(AMD_PP_PATH)/smumgr/,$(SMU_MGR))
 

drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c

+/*
+ * Copyright 2015 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 "smu73.h"
+#include "smu_ucode_xfer_vi.h"
+#include "fiji_smumgr.h"
+#include "fiji_ppsmc.h"
+#include "smu73_discrete.h"
+#include "ppatomctrl.h"
+#include "smu/smu_7_1_3_d.h"
+#include "smu/smu_7_1_3_sh_mask.h"
+#include "gmc/gmc_8_1_d.h"
+#include "gmc/gmc_8_1_sh_mask.h"
+#include "oss/oss_3_0_d.h"
+#include "gca/gfx_8_0_d.h"
+#include "bif/bif_5_0_d.h"
+#include "bif/bif_5_0_sh_mask.h"
+#include "pp_debug.h"
+#include "fiji_pwrvirus.h"
+
+#define AVFS_EN_MSB                                        1568
+#define AVFS_EN_LSB                                        1568
+
+#define FIJI_SMC_SIZE 0x20000
+
+struct SMU73_Discrete_GraphicsLevel avfs_graphics_level[8] = {
+		/*  Min        Sclk       pcie     DeepSleep Activity  CgSpll      CgSpll    spllSpread  SpllSpread   CcPwr  CcPwr  Sclk   Display     Enabled     Enabled                       Voltage    Power */
+		/* Voltage,  Frequency,  DpmLevel,  DivId,    Level,  FuncCntl3,  FuncCntl4,  Spectrum,   Spectrum2,  DynRm, DynRm1  Did, Watermark, ForActivity, ForThrottle, UpHyst, DownHyst, DownHyst, Throttle */
+		{ 0x3c0fd047, 0x30750000,   0x00,     0x03,   0x1e00, 0x00200410, 0x87020000, 0x21680000, 0x0c000000,   0,      0,   0x16,   0x00,       0x01,        0x01,      0x00,   0x00,      0x00,     0x00 },
+		{ 0xa00fd047, 0x409c0000,   0x01,     0x04,   0x1e00, 0x00800510, 0x87020000, 0x21680000, 0x11000000,   0,      0,   0x16,   0x00,       0x01,        0x01,      0x00,   0x00,      0x00,     0x00 },
+		{ 0x0410d047, 0x50c30000,   0x01,     0x00,   0x1e00, 0x00600410, 0x87020000, 0x21680000, 0x0d000000,   0,      0,   0x0e,   0x00,       0x01,        0x01,      0x00,   0x00,      0x00,     0x00 },
+		{ 0x6810d047, 0x60ea0000,   0x01,     0x00,   0x1e00, 0x00800410, 0x87020000, 0x21680000, 0x0e000000,   0,      0,   0x0c,   0x00,       0x01,        0x01,      0x00,   0x00,      0x00,     0x00 },
+		{ 0xcc10d047, 0xe8fd0000,   0x01,     0x00,   0x1e00, 0x00e00410, 0x87020000, 0x21680000, 0x0f000000,   0,      0,   0x0c,   0x00,       0x01,        0x01,      0x00,   0x00,      0x00,     0x00 },
+		{ 0x3011d047, 0x70110100,   0x01,     0x00,   0x1e00, 0x00400510, 0x87020000, 0x21680000, 0x10000000,   0,      0,   0x0c,   0x00,       0x01,        0x01,      0x00,   0x00,      0x00,     0x00 },
+		{ 0x9411d047, 0xf8240100,   0x01,     0x00,   0x1e00, 0x00a00510, 0x87020000, 0x21680000, 0x11000000,   0,      0,   0x0c,   0x00,       0x01,        0x01,      0x00,   0x00,      0x00,     0x00 },
+		{ 0xf811d047, 0x80380100,   0x01,     0x00,   0x1e00, 0x00000610, 0x87020000, 0x21680000, 0x12000000,   0,      0,   0x0c,   0x01,       0x01,        0x01,      0x00,   0x00,      0x00,     0x00 }
+};
+
+static enum cgs_ucode_id fiji_convert_fw_type_to_cgs(uint32_t fw_type)
+{
+	enum cgs_ucode_id result = CGS_UCODE_ID_MAXIMUM;
+
+	switch (fw_type) {
+	case UCODE_ID_SMU:
+		result = CGS_UCODE_ID_SMU;
+		break;
+	case UCODE_ID_SDMA0:
+		result = CGS_UCODE_ID_SDMA0;
+		break;
+	case UCODE_ID_SDMA1:
+		result = CGS_UCODE_ID_SDMA1;
+		break;
+	case UCODE_ID_CP_CE:
+		result = CGS_UCODE_ID_CP_CE;
+		break;
+	case UCODE_ID_CP_PFP:
+		result = CGS_UCODE_ID_CP_PFP;
+		break;
+	case UCODE_ID_CP_ME:
+		result = CGS_UCODE_ID_CP_ME;
+		break;
+	case UCODE_ID_CP_MEC:
+		result = CGS_UCODE_ID_CP_MEC;
+		break;
+	case UCODE_ID_CP_MEC_JT1:
+		result = CGS_UCODE_ID_CP_MEC_JT1;
+		break;
+	case UCODE_ID_CP_MEC_JT2:
+		result = CGS_UCODE_ID_CP_MEC_JT2;
+		break;
+	case UCODE_ID_RLC_G:
+		result = CGS_UCODE_ID_RLC_G;
+		break;
+	default:
+		break;
+	}
+
+	return result;
+}
+/**
+* Set the address for reading/writing the SMC SRAM space.
+* @param    smumgr  the address of the powerplay hardware manager.
+* @param    smc_addr the address in the SMC RAM to access.
+*/
+static int fiji_set_smc_sram_address(struct pp_smumgr *smumgr,
+		uint32_t smc_addr, uint32_t limit)
+{
+	PP_ASSERT_WITH_CODE((0 == (3 & smc_addr)),
+			"SMC address must be 4 byte aligned.", return -EINVAL;);
+	PP_ASSERT_WITH_CODE((limit > (smc_addr + 3)),
+			"SMC address is beyond the SMC RAM area.", return -EINVAL;);
+
+	cgs_write_register(smumgr->device, mmSMC_IND_INDEX_0, smc_addr);
+	SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
+
+	return 0;
+}
+
+/**
+* Copy bytes from an array into the SMC RAM space.
+*
+* @param    smumgr  the address of the powerplay SMU manager.
+* @param    smcStartAddress the start address in the SMC RAM to copy bytes to.
+* @param    src the byte array to copy the bytes from.
+* @param    byteCount the number of bytes to copy.
+*/
+int fiji_copy_bytes_to_smc(struct pp_smumgr *smumgr,
+		uint32_t smcStartAddress, const uint8_t *src,
+		uint32_t byteCount, uint32_t limit)
+{
+	int result;
+	uint32_t data, originalData;
+	uint32_t addr, extraShift;
+
+	PP_ASSERT_WITH_CODE((0 == (3 & smcStartAddress)),
+			"SMC address must be 4 byte aligned.", return -EINVAL;);
+	PP_ASSERT_WITH_CODE((limit > (smcStartAddress + byteCount)),
+			"SMC address is beyond the SMC RAM area.", return -EINVAL;);
+
+	addr = smcStartAddress;
+
+	while (byteCount >= 4) {
+		/* Bytes are written into the SMC addres space with the MSB first. */
+		data = src[0] * 0x1000000 + src[1] * 0x10000 + src[2] * 0x100 + src[3];
+
+		result = fiji_set_smc_sram_address(smumgr, addr, limit);
+		if (result)
+			return result;
+
+		cgs_write_register(smumgr->device, mmSMC_IND_DATA_0, data);
+
+		src += 4;
+		byteCount -= 4;
+		addr += 4;
+	}
+
+	if (byteCount) {
+		/* Now write the odd bytes left.
+		 * Do a read modify write cycle.
+		 */
+		data = 0;
+
+		result = fiji_set_smc_sram_address(smumgr, addr, limit);
+		if (result)
+			return result;
+
+		originalData = cgs_read_register(smumgr->device, mmSMC_IND_DATA_0);
+		extraShift = 8 * (4 - byteCount);
+
+		while (byteCount > 0) {
+			/* Bytes are written into the SMC addres
+			 * space with the MSB first.
+			 */
+			data = (0x100 * data) + *src++;
+			byteCount--;
+		}
+		data <<= extraShift;
+		data |= (originalData & ~((~0UL) << extraShift));
+
+		result = fiji_set_smc_sram_address(smumgr, addr, limit);
+		if (!result)
+			return result;
+
+		cgs_write_register(smumgr->device, mmSMC_IND_DATA_0, data);
+	}
+	return 0;
+}
+
+int fiji_program_jump_on_start(struct pp_smumgr *smumgr)
+{
+	static unsigned char data[] = { 0xE0, 0x00, 0x80, 0x40 };
+
+	fiji_copy_bytes_to_smc(smumgr, 0x0, data, 4, sizeof(data) + 1);
+
+	return 0;
+}
+
+/**
+* Return if the SMC is currently running.
+*
+* @param    smumgr  the address of the powerplay hardware manager.
+*/
+bool fiji_is_smc_ram_running(struct pp_smumgr *smumgr)
+{
+	return ((0 == SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device,
+			CGS_IND_REG__SMC,
+			SMC_SYSCON_CLOCK_CNTL_0, ck_disable))
+			&& (0x20100 <= cgs_read_ind_register(smumgr->device,
+					CGS_IND_REG__SMC, ixSMC_PC_C)));
+}
+
+/**
+* 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   The response that came from the SMC.
+*/
+int fiji_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg)
+{
+	if (!fiji_is_smc_ram_running(smumgr))
+		return -1;
+
+	if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP)) {
+		printk(KERN_ERR "Failed to send Previous Message.");
+		SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0);
+	}
+
+	cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg);
+    SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0);
+
+    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   The response that came from the SMC.
+ */
+int fiji_send_msg_to_smc_with_parameter(struct pp_smumgr *smumgr,
+		uint16_t msg, uint32_t parameter)
+{
+	if (!fiji_is_smc_ram_running(smumgr))
+		return -1;
+
+	if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP)) {
+		printk(KERN_ERR "Failed to send Previous Message.");
+		SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0);
+	}
+
+	cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, parameter);
+	cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg);
+	SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0);
+
+	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 fiji_send_msg_to_smc_with_parameter_without_waiting(
+		struct pp_smumgr *smumgr, uint16_t msg, uint32_t parameter)
+{
+	if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP)) {
+		printk(KERN_ERR "Failed to send Previous Message.");
+		SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0);
+	}
+	cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, parameter);
+	cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg);
+
+	return 0;
+}
+
+/**
+* Uploads the SMU firmware from .hex file
+*
+* @param    smumgr  the address of the powerplay SMU manager.
+* @return   0 or -1.
+*/
+
+static int fiji_upload_smu_firmware_image(struct pp_smumgr *smumgr)
+{
+	const uint8_t *src;
+	uint32_t byte_count;
+	uint32_t *data;
+	struct cgs_firmware_info info = {0};
+
+	cgs_get_firmware_info(smumgr->device,
+			fiji_convert_fw_type_to_cgs(UCODE_ID_SMU), &info);
+
+	if (info.image_size & 3) {
+		printk(KERN_ERR "SMC ucode is not 4 bytes aligned\n");
+		return -EINVAL;
+	}
+
+	if (info.image_size > FIJI_SMC_SIZE) {
+		printk(KERN_ERR "SMC address is beyond the SMC RAM area\n");
+		return -EINVAL;
+	}
+
+	cgs_write_register(smumgr->device, mmSMC_IND_INDEX_0, 0x20000);
+	SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 1);
+
+	byte_count = info.image_size;
+	src = (const uint8_t *)info.kptr;
+
+	data = (uint32_t *)src;
+	for (; byte_count >= 4; data++, byte_count -= 4)
+		cgs_write_register(smumgr->device, mmSMC_IND_DATA_0, data[0]);
+
+	SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
+	return 0;
+}
+
+/**
+* Read a 32bit value from the SMC SRAM space.
+* ALL PARAMETERS ARE IN HOST BYTE ORDER.
+* @param    smumgr  the address of the powerplay hardware manager.
+* @param    smc_addr the address in the SMC RAM to access.
+* @param    value and output parameter for the data read from the SMC SRAM.
+*/
+int fiji_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr,
+		uint32_t *value, uint32_t limit)
+{
+	int	result = fiji_set_smc_sram_address(smumgr, smc_addr, limit);
+
+	if (result)
+		return result;
+
+	*value = cgs_read_register(smumgr->device, mmSMC_IND_DATA_0);
+	return 0;
+}
+
+/**
+* Write a 32bit value to the SMC SRAM space.
+* ALL PARAMETERS ARE IN HOST BYTE ORDER.
+* @param    smumgr  the address of the powerplay hardware manager.
+* @param    smc_addr the address in the SMC RAM to access.
+* @param    value to write to the SMC SRAM.
+*/
+int fiji_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr,
+		uint32_t value, uint32_t limit)
+{
+	int result;
+
+	result = fiji_set_smc_sram_address(smumgr, smc_addr, limit);
+
+	if (result)
+		return result;
+
+	cgs_write_register(smumgr->device, mmSMC_IND_DATA_0, value);
+	return 0;
+}
+
+static uint32_t fiji_get_mask_for_firmware_type(uint32_t fw_type)
+{
+	uint32_t result = 0;
+
+	switch (fw_type) {
+	case UCODE_ID_SDMA0:
+		result = UCODE_ID_SDMA0_MASK;
+		break;
+	case UCODE_ID_SDMA1:
+		result = UCODE_ID_SDMA1_MASK;
+		break;
+	case UCODE_ID_CP_CE:
+		result = UCODE_ID_CP_CE_MASK;
+		break;
+	case UCODE_ID_CP_PFP:
+		result = UCODE_ID_CP_PFP_MASK;
+		break;
+	case UCODE_ID_CP_ME:
+		result = UCODE_ID_CP_ME_MASK;
+		break;
+	case UCODE_ID_CP_MEC_JT1:
+		result = UCODE_ID_CP_MEC_MASK | UCODE_ID_CP_MEC_JT1_MASK;
+		break;
+	case UCODE_ID_CP_MEC_JT2:
+		result = UCODE_ID_CP_MEC_MASK | UCODE_ID_CP_MEC_JT2_MASK;
+		break;
+	case UCODE_ID_RLC_G:
+		result = UCODE_ID_RLC_G_MASK;
+		break;
+	default:
+		printk(KERN_ERR "UCode type is out of range!");
+		result = 0;
+	}
+
+	return result;
+}
+
+/* Populate one firmware image to the data structure */
+static int fiji_populate_single_firmware_entry(struct pp_smumgr *smumgr,
+		uint32_t fw_type, struct SMU_Entry *entry)
+{
+	int result;
+	struct cgs_firmware_info info = {0};
+
+	result = cgs_get_firmware_info(
+			smumgr->device,
+			fiji_convert_fw_type_to_cgs(fw_type),
+			&info);
+
+	if (!result) {
+		entry->version = 0;
+		entry->id = (uint16_t)fw_type;
+		entry->image_addr_high = smu_upper_32_bits(info.mc_addr);
+		entry->image_addr_low = smu_lower_32_bits(info.mc_addr);
+		entry->meta_data_addr_high = 0;
+		entry->meta_data_addr_low = 0;
+		entry->data_size_byte = info.image_size;
+		entry->num_register_entries = 0;
+
+		if (fw_type == UCODE_ID_RLC_G)
+			entry->flags = 1;
+		else
+			entry->flags = 0;
+	}
+
+	return result;
+}
+
+static int fiji_request_smu_load_fw(struct pp_smumgr *smumgr)
+{
+	struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend);
+	uint32_t fw_to_load;
+	struct SMU_DRAMData_TOC *toc;
+
+	if (priv->soft_regs_start)
+		cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC,
+				priv->soft_regs_start +
+				offsetof(SMU73_SoftRegisters, UcodeLoadStatus),
+				0x0);
+
+	toc = (struct SMU_DRAMData_TOC *)priv->header;
+	toc->num_entries = 0;
+	toc->structure_version = 1;
+
+	PP_ASSERT_WITH_CODE(
+			0 == fiji_populate_single_firmware_entry(smumgr,
+					UCODE_ID_RLC_G, &toc->entry[toc->num_entries++]),
+			"Failed to Get Firmware Entry.\n" , return -1 );
+	PP_ASSERT_WITH_CODE(
+			0 == fiji_populate_single_firmware_entry(smumgr,
+					UCODE_ID_CP_CE, &toc->entry[toc->num_entries++]),
+			"Failed to Get Firmware Entry.\n" , return -1 );
+	PP_ASSERT_WITH_CODE(
+			0 == fiji_populate_single_firmware_entry(smumgr,
+					UCODE_ID_CP_PFP, &toc->entry[toc->num_entries++]),
+			"Failed to Get Firmware Entry.\n" , return -1 );
+	PP_ASSERT_WITH_CODE(
+			0 == fiji_populate_single_firmware_entry(smumgr,
+					UCODE_ID_CP_ME, &toc->entry[toc->num_entries++]),
+			"Failed to Get Firmware Entry.\n" , return -1 );
+	PP_ASSERT_WITH_CODE(
+			0 == fiji_populate_single_firmware_entry(smumgr,
+					UCODE_ID_CP_MEC, &toc->entry[toc->num_entries++]),
+			"Failed to Get Firmware Entry.\n" , return -1 );
+	PP_ASSERT_WITH_CODE(
+			0 == fiji_populate_single_firmware_entry(smumgr,
+					UCODE_ID_CP_MEC_JT1, &toc->entry[toc->num_entries++]),
+					"Failed to Get Firmware Entry.\n" , return -1 );
+	PP_ASSERT_WITH_CODE(
+			0 == fiji_populate_single_firmware_entry(smumgr,
+					UCODE_ID_CP_MEC_JT2, &toc->entry[toc->num_entries++]),
+					"Failed to Get Firmware Entry.\n" , return -1 );
+	PP_ASSERT_WITH_CODE(
+			0 == fiji_populate_single_firmware_entry(smumgr,
+					UCODE_ID_SDMA0, &toc->entry[toc->num_entries++]),
+					"Failed to Get Firmware Entry.\n" , return -1 );
+	PP_ASSERT_WITH_CODE(
+			0 == fiji_populate_single_firmware_entry(smumgr,
+					UCODE_ID_SDMA1, &toc->entry[toc->num_entries++]),
+					"Failed to Get Firmware Entry.\n" , return -1 );
+
+	fiji_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_DRV_DRAM_ADDR_HI,
+			priv->header_buffer.mc_addr_high);
+	fiji_send_msg_to_smc_with_parameter(smumgr,PPSMC_MSG_DRV_DRAM_ADDR_LO,
+			priv->header_buffer.mc_addr_low);
+
+	fw_to_load = UCODE_ID_RLC_G_MASK
+			+ UCODE_ID_SDMA0_MASK
+			+ UCODE_ID_SDMA1_MASK
+			+ UCODE_ID_CP_CE_MASK
+			+ UCODE_ID_CP_ME_MASK
+			+ UCODE_ID_CP_PFP_MASK
+			+ UCODE_ID_CP_MEC_MASK
+			+ UCODE_ID_CP_MEC_JT1_MASK
+			+ UCODE_ID_CP_MEC_JT2_MASK;
+
+	if (fiji_send_msg_to_smc_with_parameter(smumgr,
+			PPSMC_MSG_LoadUcodes, fw_to_load))
+		printk(KERN_ERR "Fail to Request SMU Load uCode");
+
+	return 0;
+}
+
+
+/* Check if the FW has been loaded, SMU will not return
+ * if loading has not finished.
+ */
+static int fiji_check_fw_load_finish(struct pp_smumgr *smumgr,
+		uint32_t fw_type)
+{
+	struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend);
+	uint32_t mask = fiji_get_mask_for_firmware_type(fw_type);
+
+	/* Check SOFT_REGISTERS_TABLE_28.UcodeLoadStatus */
+	if (smum_wait_on_indirect_register(smumgr, mmSMC_IND_INDEX,
+			priv->soft_regs_start +
+			offsetof(SMU73_SoftRegisters, UcodeLoadStatus),
+			mask, mask)) {
+		printk(KERN_ERR "check firmware loading failed\n");
+		return -EINVAL;
+	}
+	return 0;
+}
+
+
+static int fiji_reload_firmware(struct pp_smumgr *smumgr)
+{
+	return smumgr->smumgr_funcs->start_smu(smumgr);
+}
+
+static bool fiji_is_hw_virtualization_enabled(struct pp_smumgr *smumgr)
+{
+	uint32_t value;
+
+	value = cgs_read_register(smumgr->device, mmBIF_IOV_FUNC_IDENTIFIER);
+	if (value & BIF_IOV_FUNC_IDENTIFIER__IOV_ENABLE_MASK) {
+		/* driver reads on SR-IOV enabled PF: 0x80000000
+		 * driver reads on SR-IOV enabled VF: 0x80000001
+		 * driver reads on SR-IOV disabled:   0x00000000
+		 */
+		return true;
+	}
+	return false;
+}
+
+static int fiji_request_smu_specific_fw_load(struct pp_smumgr *smumgr, uint32_t fw_type)
+{
+	if (fiji_is_hw_virtualization_enabled(smumgr)) {
+		uint32_t masks = fiji_get_mask_for_firmware_type(fw_type);
+		if (fiji_send_msg_to_smc_with_parameter_without_waiting(smumgr,
+				PPSMC_MSG_LoadUcodes, masks))
+			printk(KERN_ERR "Fail to Request SMU Load uCode");
+	}
+	/* For non-virtualization cases,
+	 * SMU loads all FWs at once in fiji_request_smu_load_fw.
+	 */
+    return 0;
+}
+
+static int fiji_start_smu_in_protection_mode(struct pp_smumgr *smumgr)
+{
+	int result = 0;
+
+	/* Wait for smc boot up */
+	/* SMUM_WAIT_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND,
+		RCU_UC_EVENTS, boot_seq_done, 0); */
+
+	SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
+			SMC_SYSCON_RESET_CNTL, rst_reg, 1);
+
+	result = fiji_upload_smu_firmware_image(smumgr);
+	if (result)
+		return result;
+
+	/* Clear status */
+	cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC,
+			ixSMU_STATUS, 0);
+
+	SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
+			SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
+
+	/* De-assert reset */
+	SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
+			SMC_SYSCON_RESET_CNTL, rst_reg, 0);
+
+	/* Wait for ROM firmware to initialize interrupt hendler */
+	/*SMUM_WAIT_VFPF_INDIRECT_REGISTER(smumgr, SMC_IND,
+			SMC_INTR_CNTL_MASK_0, 0x10040, 0xFFFFFFFF); */
+
+	/* Set SMU Auto Start */
+	SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
+			SMU_INPUT_DATA, AUTO_START, 1);
+
+	/* Clear firmware interrupt enable flag */
+	cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC,
+			ixFIRMWARE_FLAGS, 0);
+
+	SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, RCU_UC_EVENTS,
+			INTERRUPTS_ENABLED, 1);
+
+	cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, 0x20000);
+	cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, PPSMC_MSG_Test);
+	SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0);
+
+	/* Wait for done bit to be set */
+	SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND,
+			SMU_STATUS, SMU_DONE, 0);
+
+	/* Check pass/failed indicator */
+	if (1 != SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
+			SMU_STATUS, SMU_PASS)) {
+		PP_ASSERT_WITH_CODE(false,
+				"SMU Firmware start failed!", return -1);
+	}
+
+	/* Wait for firmware to initialize */
+	SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND,
+			FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1);
+
+	return result;
+}
+
+static int fiji_start_smu_in_non_protection_mode(struct pp_smumgr *smumgr)
+{
+	int result = 0;
+
+	/* wait for smc boot up */
+	SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND,
+			RCU_UC_EVENTS, boot_seq_done, 0);
+
+	/* Clear firmware interrupt enable flag */
+	cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC,
+			ixFIRMWARE_FLAGS, 0);
+
+	/* Assert reset */
+	SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
+			SMC_SYSCON_RESET_CNTL, rst_reg, 1);
+
+	result = fiji_upload_smu_firmware_image(smumgr);
+	if (result)
+		return result;
+
+	/* Set smc instruct start point at 0x0 */
+	fiji_program_jump_on_start(smumgr);
+
+	/* Enable clock */
+	SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
+			SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
+
+	/* De-assert reset */
+	SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
+			SMC_SYSCON_RESET_CNTL, rst_reg, 0);
+
+	/* Wait for firmware to initialize */
+	SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND,
+			FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1);
+
+	return result;
+}
+
+int fiji_setup_pwr_virus(struct pp_smumgr *smumgr)
+{
+	int i, result = -1;
+	uint32_t reg, data;
+	PWR_Command_Table *virus = PwrVirusTable;
+	struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend);
+
+	priv->avfs.AvfsBtcStatus = AVFS_LOAD_VIRUS;
+	for (i = 0; (i < PWR_VIRUS_TABLE_SIZE); i++) {
+		switch (virus->command) {
+		case PwrCmdWrite:
+			reg  = virus->reg;
+			data = virus->data;
+			cgs_write_register(smumgr->device, reg, data);
+			break;
+		case PwrCmdEnd:
+			priv->avfs.AvfsBtcStatus = AVFS_BTC_VIRUS_LOADED;
+			result = 0;
+			break;
+		default:
+			printk(KERN_ERR "Table Exit with Invalid Command!");
+			priv->avfs.AvfsBtcStatus = AVFS_BTC_VIRUS_FAIL;
+			result = -1;
+			break;
+		}
+		virus++;
+	}
+	return result;
+}
+
+static int fiji_start_avfs_btc(struct pp_smumgr *smumgr)
+{
+	int result = 0;
+	struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend);
+
+	priv->avfs.AvfsBtcStatus = AVFS_BTC_STARTED;
+	if (priv->avfs.AvfsBtcParam) {
+		if (!fiji_send_msg_to_smc_with_parameter(smumgr,
+				PPSMC_MSG_PerformBtc, priv->avfs.AvfsBtcParam)) {
+			if (!fiji_send_msg_to_smc(smumgr, PPSMC_MSG_EnableAvfs)) {
+				priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_UNSAVED;
+				result = 0;
+			} else {
+				printk(KERN_ERR "[AVFS][fiji_start_avfs_btc] Attempt"
+						" to Enable AVFS Failed!");
+				fiji_send_msg_to_smc(smumgr, PPSMC_MSG_DisableAvfs);
+				result = -1;
+			}
+		} else {
+			printk(KERN_ERR "[AVFS][fiji_start_avfs_btc] "
+					"PerformBTC SMU msg failed");
+			result = -1;
+		}
+	}
+	/* Soft-Reset to reset the engine before loading uCode */
+	 /* halt */
+	cgs_write_register(smumgr->device, mmCP_MEC_CNTL, 0x50000000);
+	/* reset everything */
+	cgs_write_register(smumgr->device, mmGRBM_SOFT_RESET, 0xffffffff);
+	/* clear reset */
+	cgs_write_register(smumgr->device, mmGRBM_SOFT_RESET, 0);
+
+    return result;
+}
+
+int fiji_setup_pm_fuse_for_avfs(struct pp_smumgr *smumgr)
+{
+	int result = 0;
+	uint32_t table_start;
+	uint32_t charz_freq_addr, inversion_voltage_addr, charz_freq;
+	uint16_t inversion_voltage;
+
+	charz_freq = 0x30750000; /* In 10KHz units 0x00007530 Actual value */
+	inversion_voltage = 0x1A04; /* mV Q14.2 0x41A Actual value */
+
+	PP_ASSERT_WITH_CODE(0 == fiji_read_smc_sram_dword(smumgr,
+			SMU7_FIRMWARE_HEADER_LOCATION + offsetof(SMU73_Firmware_Header,
+					PmFuseTable), &table_start, 0x40000),
+			"[AVFS][Fiji_SetupGfxLvlStruct] SMU could not communicate "
+			"starting address of PmFuse structure",
+			return -1;);
+
+	charz_freq_addr = table_start +
+			offsetof(struct SMU73_Discrete_PmFuses, PsmCharzFreq);
+	inversion_voltage_addr = table_start +
+			offsetof(struct SMU73_Discrete_PmFuses, InversionVoltage);
+
+	result = fiji_copy_bytes_to_smc(smumgr, charz_freq_addr,
+			(uint8_t *)(&charz_freq), sizeof(charz_freq), 0x40000);
+	PP_ASSERT_WITH_CODE(0 == result,
+			"[AVFS][fiji_setup_pm_fuse_for_avfs] charz_freq could not "
+			"be populated.", return -1;);
+
+	result = fiji_copy_bytes_to_smc(smumgr, inversion_voltage_addr,
+			(uint8_t *)(&inversion_voltage), sizeof(inversion_voltage), 0x40000);
+	PP_ASSERT_WITH_CODE(0 == result, "[AVFS][fiji_setup_pm_fuse_for_avfs] "
+			"charz_freq could not be populated.", return -1;);
+
+	return result;
+}
+
+int fiji_setup_graphics_level_structure(struct pp_smumgr *smumgr)
+{
+	int32_t vr_config;
+	uint32_t table_start;
+	uint32_t level_addr, vr_config_addr;
+	uint32_t level_size = sizeof(avfs_graphics_level);
+
+	PP_ASSERT_WITH_CODE(0 == fiji_read_smc_sram_dword(smumgr,
+			SMU7_FIRMWARE_HEADER_LOCATION +
+			offsetof(SMU73_Firmware_Header, DpmTable),
+			&table_start, 0x40000),
+			"[AVFS][Fiji_SetupGfxLvlStruct] SMU could not "
+			"communicate starting address of DPM table",
+			return -1;);
+
+	/* Default value for vr_config =
+	 * VR_MERGED_WITH_VDDC + VR_STATIC_VOLTAGE(VDDCI) */
+	vr_config = 0x01000500;   /* Real value:0x50001 */
+
+	vr_config_addr = table_start +
+			offsetof(SMU73_Discrete_DpmTable, VRConfig);
+
+	PP_ASSERT_WITH_CODE(0 == fiji_copy_bytes_to_smc(smumgr, vr_config_addr,
+			(uint8_t *)&vr_config, sizeof(int32_t), 0x40000),
+			"[AVFS][Fiji_SetupGfxLvlStruct] Problems copying "
+			"vr_config value over to SMC",
+			return -1;);
+
+	level_addr = table_start + offsetof(SMU73_Discrete_DpmTable, GraphicsLevel);
+
+	PP_ASSERT_WITH_CODE(0 == fiji_copy_bytes_to_smc(smumgr, level_addr,
+			(uint8_t *)(&avfs_graphics_level), level_size, 0x40000),
+			"[AVFS][Fiji_SetupGfxLvlStruct] Copying of DPM table failed!",
+			return -1;);
+
+	return 0;
+}
+
+/* Work in Progress */
+int fiji_restore_vft_table(struct pp_smumgr *smumgr)
+{
+	struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend);
+
+	if (AVFS_BTC_COMPLETED_SAVED == priv->avfs.AvfsBtcStatus) {
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_RESTORED;
+		return 0;
+	} else
+		return -EINVAL;
+}
+
+/* Work in Progress */
+int fiji_save_vft_table(struct pp_smumgr *smumgr)
+{
+	struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend);
+
+	if (AVFS_BTC_COMPLETED_SAVED == priv->avfs.AvfsBtcStatus) {
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_RESTORED;
+		return 0;
+	} else
+		return -EINVAL;
+}
+
+int fiji_avfs_event_mgr(struct pp_smumgr *smumgr, bool smu_started)
+{
+	struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend);
+
+	switch (priv->avfs.AvfsBtcStatus) {
+	case AVFS_BTC_COMPLETED_SAVED: /*S3 State - Pre SMU Start */
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_RESTOREVFT_FAILED;
+		PP_ASSERT_WITH_CODE(0 == fiji_restore_vft_table(smumgr),
+				"[AVFS][fiji_avfs_event_mgr] Could not Copy Graphics "
+				"Level table over to SMU",
+				return -1;);
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_RESTORED;
+		break;
+	case AVFS_BTC_COMPLETED_RESTORED: /*S3 State - Post SMU Start*/
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_SMUMSG_ERROR;
+		PP_ASSERT_WITH_CODE(0 == fiji_send_msg_to_smc(smumgr,
+				PPSMC_MSG_VftTableIsValid),
+				"[AVFS][fiji_avfs_event_mgr] SMU did not respond "
+				"correctly to VftTableIsValid Msg",
+				return -1;);
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_SMUMSG_ERROR;
+		PP_ASSERT_WITH_CODE(0 == fiji_send_msg_to_smc(smumgr,
+				PPSMC_MSG_EnableAvfs),
+				"[AVFS][fiji_avfs_event_mgr] SMU did not respond "
+				"correctly to EnableAvfs Message Msg",
+				return -1;);
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_SAVED;
+		break;
+	case AVFS_BTC_BOOT: /*Cold Boot State - Post SMU Start*/
+		if (!smu_started)
+			break;
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_FAILED;
+		PP_ASSERT_WITH_CODE(0 == fiji_setup_pm_fuse_for_avfs(smumgr),
+				"[AVFS][fiji_avfs_event_mgr] Failure at "
+				"fiji_setup_pm_fuse_for_avfs",
+				return -1;);
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_DPMTABLESETUP_FAILED;
+		PP_ASSERT_WITH_CODE(0 == fiji_setup_graphics_level_structure(smumgr),
+				"[AVFS][fiji_avfs_event_mgr] Could not Copy Graphics Level"
+				" table over to SMU",
+				return -1;);
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_VIRUS_FAIL;
+		PP_ASSERT_WITH_CODE(0 == fiji_setup_pwr_virus(smumgr),
+				"[AVFS][fiji_avfs_event_mgr] Could not setup "
+				"Pwr Virus for AVFS ",
+				return -1;);
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_FAILED;
+		PP_ASSERT_WITH_CODE(0 == fiji_start_avfs_btc(smumgr),
+				"[AVFS][fiji_avfs_event_mgr] Failure at "
+				"fiji_start_avfs_btc. AVFS Disabled",
+				return -1;);
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_SAVEVFT_FAILED;
+		PP_ASSERT_WITH_CODE(0 == fiji_save_vft_table(smumgr),
+				"[AVFS][fiji_avfs_event_mgr] Could not save VFT Table",
+				return -1;);
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_SAVED;
+		break;
+	case AVFS_BTC_DISABLED: /* Do nothing */
+		break;
+	case AVFS_BTC_NOTSUPPORTED: /* Do nothing */
+		break;
+	default:
+		printk(KERN_ERR "[AVFS] Something is broken. See log!");
+		break;
+	}
+	return 0;
+}
+
+static int fiji_start_smu(struct pp_smumgr *smumgr)
+{
+	int result = 0;
+	struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend);
+
+	/* Only start SMC if SMC RAM is not running */
+	if (!fiji_is_smc_ram_running(smumgr)) {
+		fiji_avfs_event_mgr(smumgr, false);
+
+		/* Check if SMU is running in protected mode */
+		if (0 == SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device,
+				CGS_IND_REG__SMC,
+				SMU_FIRMWARE, SMU_MODE)) {
+			result = fiji_start_smu_in_non_protection_mode(smumgr);
+			if (result)
+				return result;
+		} else {
+			result = fiji_start_smu_in_protection_mode(smumgr);
+			if (result)
+				return result;
+		}
+		fiji_avfs_event_mgr(smumgr, true);
+	}
+
+	/* To initialize all clock gating before RLC loaded and running.*/
+	/*PECI_InitClockGating(peci);*/
+
+	/* Setup SoftRegsStart here for register lookup in case
+	 * DummyBackEnd is used and ProcessFirmwareHeader is not executed
+	 */
+	fiji_read_smc_sram_dword(smumgr,
+			SMU7_FIRMWARE_HEADER_LOCATION +
+			offsetof(SMU73_Firmware_Header, SoftRegisters),
+			&(priv->soft_regs_start), 0x40000);
+
+	result = fiji_request_smu_load_fw(smumgr);
+
+	return result;
+}
+
+static bool fiji_is_hw_avfs_present(struct pp_smumgr *smumgr)
+{
+
+	uint32_t efuse = 0;
+	uint32_t mask = (1 << ((AVFS_EN_MSB - AVFS_EN_LSB) + 1)) - 1;
+
+	if (!atomctrl_read_efuse(smumgr->device, AVFS_EN_LSB, AVFS_EN_MSB,
+			mask, &efuse)) {
+		if (efuse)
+			return true;
+	}
+	return false;
+}
+
+/**
+* Write a 32bit value to the SMC SRAM space.
+* ALL PARAMETERS ARE IN HOST BYTE ORDER.
+* @param    smumgr  the address of the powerplay hardware manager.
+* @param    smc_addr the address in the SMC RAM to access.
+* @param    value to write to the SMC SRAM.
+*/
+static int fiji_smu_init(struct pp_smumgr *smumgr)
+{
+	struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend);
+	uint64_t mc_addr;
+
+	priv->header_buffer.data_size =
+			((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096;
+	smu_allocate_memory(smumgr->device,
+			priv->header_buffer.data_size,
+			CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
+			PAGE_SIZE,
+			&mc_addr,
+			&priv->header_buffer.kaddr,
+			&priv->header_buffer.handle);
+
+	priv->header = priv->header_buffer.kaddr;
+	priv->header_buffer.mc_addr_high = smu_upper_32_bits(mc_addr);
+	priv->header_buffer.mc_addr_low = smu_lower_32_bits(mc_addr);
+
+	PP_ASSERT_WITH_CODE((NULL != priv->header),
+			"Out of memory.",
+			kfree(smumgr->backend);
+			cgs_free_gpu_mem(smumgr->device,
+			(cgs_handle_t)priv->header_buffer.handle);
+			return -1);
+
+	priv->avfs.AvfsBtcStatus = AVFS_BTC_BOOT;
+	if (fiji_is_hw_avfs_present(smumgr))
+		/* AVFS Parameter
+		 * 0 - BTC DC disabled, BTC AC disabled
+		 * 1 - BTC DC enabled,  BTC AC disabled
+		 * 2 - BTC DC disabled, BTC AC enabled
+		 * 3 - BTC DC enabled,  BTC AC enabled
+		 * Default is 0 - BTC DC disabled, BTC AC disabled
+		 */
+		priv->avfs.AvfsBtcParam = 0;
+	else
+		priv->avfs.AvfsBtcStatus = AVFS_BTC_NOTSUPPORTED;
+
+	priv->acpi_optimization = 1;
+
+	return 0;
+}
+
+static int fiji_smu_fini(struct pp_smumgr *smumgr)
+{
+	if (smumgr->backend) {
+		kfree(smumgr->backend);
+		smumgr->backend = NULL;
+	}
+	return 0;
+}
+
+static const struct pp_smumgr_func fiji_smu_funcs = {
+	.smu_init = &fiji_smu_init,
+	.smu_fini = &fiji_smu_fini,
+	.start_smu = &fiji_start_smu,
+	.check_fw_load_finish = &fiji_check_fw_load_finish,
+	.request_smu_load_fw = &fiji_reload_firmware,
+	.request_smu_load_specific_fw = &fiji_request_smu_specific_fw_load,
+	.send_msg_to_smc = &fiji_send_msg_to_smc,
+	.send_msg_to_smc_with_parameter = &fiji_send_msg_to_smc_with_parameter,
+	.download_pptable_settings = NULL,
+	.upload_pptable_settings = NULL,
+};
+
+int fiji_smum_init(struct pp_smumgr *smumgr)
+{
+	struct fiji_smumgr *fiji_smu = NULL;
+
+	fiji_smu = kzalloc(sizeof(struct fiji_smumgr), GFP_KERNEL);
+
+	if (fiji_smu == NULL)
+		return -1;
+
+	smumgr->backend = fiji_smu;
+	smumgr->smumgr_funcs = &fiji_smu_funcs;
+
+	return 0;
+}

drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.h

+/*
+ * Copyright 2015 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 _FIJI_SMUMANAGER_H_
+#define _FIJI_SMUMANAGER_H_
+
+enum AVFS_BTC_STATUS {
+	AVFS_BTC_BOOT = 0,
+	AVFS_BTC_BOOT_STARTEDSMU,
+	AVFS_LOAD_VIRUS,
+	AVFS_BTC_VIRUS_LOADED,
+	AVFS_BTC_VIRUS_FAIL,
+	AVFS_BTC_STARTED,
+	AVFS_BTC_FAILED,
+	AVFS_BTC_RESTOREVFT_FAILED,
+	AVFS_BTC_SAVEVFT_FAILED,
+	AVFS_BTC_DPMTABLESETUP_FAILED,
+	AVFS_BTC_COMPLETED_UNSAVED,
+	AVFS_BTC_COMPLETED_SAVED,
+	AVFS_BTC_COMPLETED_RESTORED,
+	AVFS_BTC_DISABLED,
+	AVFS_BTC_NOTSUPPORTED,
+	AVFS_BTC_SMUMSG_ERROR
+};
+
+struct fiji_smu_avfs {
+	enum AVFS_BTC_STATUS AvfsBtcStatus;
+	uint32_t           AvfsBtcParam;
+};
+
+struct fiji_buffer_entry {
+	uint32_t data_size;
+	uint32_t mc_addr_low;
+	uint32_t mc_addr_high;
+	void *kaddr;
+	unsigned long  handle;
+};
+
+struct fiji_smumgr {
+	uint8_t        *header;
+	uint8_t        *mec_image;
+	uint32_t        soft_regs_start;
+	struct fiji_smu_avfs avfs;
+	uint32_t        acpi_optimization;
+
+	struct fiji_buffer_entry header_buffer;
+};
+
+int fiji_smum_init(struct pp_smumgr *smumgr);
+int fiji_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smcAddress,
+		uint32_t *value, uint32_t limit);
+int fiji_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr,
+		uint32_t value, uint32_t limit);
+int fiji_copy_bytes_to_smc(struct pp_smumgr *smumgr, uint32_t smcStartAddress,
+		const uint8_t *src,	uint32_t byteCount, uint32_t limit);
+
+#endif
+

drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c

@@ -29,6 +29,7 @@
 #include "linux/delay.h"
 #include "cz_smumgr.h"
 #include "tonga_smumgr.h"
+#include "fiji_smumgr.h"
 
 int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
 {
@@ -58,6 +59,9 @@ int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
 		case CHIP_TONGA:
 			tonga_smum_init(smumgr);
 			break;
+		case CHIP_FIJI:
+			fiji_smum_init(smumgr);
+			break;
 		default:
 			return -EINVAL;
 		}