drm/amdgpu: use powerplay module for dgpu in Vi.

delete non-pp code and files. It was just a temporary
solution and not support dynamic power management.

Signed-off-by: Rex Zhu <[e-mail]>
Acked-by: Edward O'Callaghan <[e-mail]>
Reviewed-by: Alex Deucher <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/amdgpu/Makefile

···
 amdgpu-y += \
 	amdgpu_dpm.o \
 	amdgpu_powerplay.o \
-	cz_smc.o cz_dpm.o \
-	tonga_smc.o tonga_dpm.o \
-	fiji_smc.o fiji_dpm.o \
-	iceland_smc.o iceland_dpm.o
+	cz_smc.o cz_dpm.o
 
 # add DCE block
 amdgpu-y += \

drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c

···
 			amd_pp->ip_funcs = &kv_dpm_ip_funcs;
 			break;
 #endif
-		case CHIP_TOPAZ:
-			amd_pp->ip_funcs = &iceland_dpm_ip_funcs;
-			break;
-		case CHIP_TONGA:
-			amd_pp->ip_funcs = &tonga_dpm_ip_funcs;
-			break;
-		case CHIP_FIJI:
-			amd_pp->ip_funcs = &fiji_dpm_ip_funcs;
-			break;
 		case CHIP_CARRIZO:
 		case CHIP_STONEY:
 			amd_pp->ip_funcs = &cz_dpm_ip_funcs;
···
 	switch (adev->asic_type) {
 	case CHIP_POLARIS11:
 	case CHIP_POLARIS10:
-		adev->pp_enabled = true;
-		break;
 	case CHIP_TONGA:
 	case CHIP_FIJI:
 	case CHIP_TOPAZ:
+		adev->pp_enabled = true;
+		break;
 	case CHIP_CARRIZO:
 	case CHIP_STONEY:
 		adev->pp_enabled = (amdgpu_powerplay == 0) ? false : true;

drivers/gpu/drm/amd/amdgpu/fiji_dpm.c

···
-/*
- * Copyright 2014 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 <linux/firmware.h>
-#include "drmP.h"
-#include "amdgpu.h"
-#include "fiji_smum.h"
-
-MODULE_FIRMWARE("amdgpu/fiji_smc.bin");
-
-static void fiji_dpm_set_funcs(struct amdgpu_device *adev);
-
-static int fiji_dpm_early_init(void *handle)
-{
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	fiji_dpm_set_funcs(adev);
-
-	return 0;
-}
-
-static int fiji_dpm_init_microcode(struct amdgpu_device *adev)
-{
-	char fw_name[30] = "amdgpu/fiji_smc.bin";
-	int err;
-
-	err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->pm.fw);
-
-out:
-	if (err) {
-		DRM_ERROR("Failed to load firmware \"%s\"", fw_name);
-		release_firmware(adev->pm.fw);
-		adev->pm.fw = NULL;
-	}
-	return err;
-}
-
-static int fiji_dpm_sw_init(void *handle)
-{
-	int ret;
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	ret = fiji_dpm_init_microcode(adev);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
-static int fiji_dpm_sw_fini(void *handle)
-{
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	release_firmware(adev->pm.fw);
-	adev->pm.fw = NULL;
-
-	return 0;
-}
-
-static int fiji_dpm_hw_init(void *handle)
-{
-	int ret;
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	mutex_lock(&adev->pm.mutex);
-
-	ret = fiji_smu_init(adev);
-	if (ret) {
-		DRM_ERROR("SMU initialization failed\n");
-		goto fail;
-	}
-
-	ret = fiji_smu_start(adev);
-	if (ret) {
-		DRM_ERROR("SMU start failed\n");
-		goto fail;
-	}
-
-	mutex_unlock(&adev->pm.mutex);
-	return 0;
-
-fail:
-	adev->firmware.smu_load = false;
-	mutex_unlock(&adev->pm.mutex);
-	return -EINVAL;
-}
-
-static int fiji_dpm_hw_fini(void *handle)
-{
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	mutex_lock(&adev->pm.mutex);
-	fiji_smu_fini(adev);
-	mutex_unlock(&adev->pm.mutex);
-	return 0;
-}
-
-static int fiji_dpm_suspend(void *handle)
-{
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	fiji_dpm_hw_fini(adev);
-
-	return 0;
-}
-
-static int fiji_dpm_resume(void *handle)
-{
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	fiji_dpm_hw_init(adev);
-
-	return 0;
-}
-
-static int fiji_dpm_set_clockgating_state(void *handle,
-			enum amd_clockgating_state state)
-{
-	return 0;
-}
-
-static int fiji_dpm_set_powergating_state(void *handle,
-			enum amd_powergating_state state)
-{
-	return 0;
-}
-
-const struct amd_ip_funcs fiji_dpm_ip_funcs = {
-	.name = "fiji_dpm",
-	.early_init = fiji_dpm_early_init,
-	.late_init = NULL,
-	.sw_init = fiji_dpm_sw_init,
-	.sw_fini = fiji_dpm_sw_fini,
-	.hw_init = fiji_dpm_hw_init,
-	.hw_fini = fiji_dpm_hw_fini,
-	.suspend = fiji_dpm_suspend,
-	.resume = fiji_dpm_resume,
-	.is_idle = NULL,
-	.wait_for_idle = NULL,
-	.soft_reset = NULL,
-	.set_clockgating_state = fiji_dpm_set_clockgating_state,
-	.set_powergating_state = fiji_dpm_set_powergating_state,
-};
-
-static const struct amdgpu_dpm_funcs fiji_dpm_funcs = {
-	.get_temperature = NULL,
-	.pre_set_power_state = NULL,
-	.set_power_state = NULL,
-	.post_set_power_state = NULL,
-	.display_configuration_changed = NULL,
-	.get_sclk = NULL,
-	.get_mclk = NULL,
-	.print_power_state = NULL,
-	.debugfs_print_current_performance_level = NULL,
-	.force_performance_level = NULL,
-	.vblank_too_short = NULL,
-	.powergate_uvd = NULL,
-};
-
-static void fiji_dpm_set_funcs(struct amdgpu_device *adev)
-{
-	if (NULL == adev->pm.funcs)
-		adev->pm.funcs = &fiji_dpm_funcs;
-}

drivers/gpu/drm/amd/amdgpu/fiji_smc.c

···
-/*
- * Copyright 2014 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 <linux/firmware.h>
-#include "drmP.h"
-#include "amdgpu.h"
-#include "fiji_ppsmc.h"
-#include "fiji_smum.h"
-#include "smu_ucode_xfer_vi.h"
-#include "amdgpu_ucode.h"
-
-#include "smu/smu_7_1_3_d.h"
-#include "smu/smu_7_1_3_sh_mask.h"
-
-#define FIJI_SMC_SIZE 0x20000
-
-static int fiji_set_smc_sram_address(struct amdgpu_device *adev, uint32_t smc_address, uint32_t limit)
-{
-	uint32_t val;
-
-	if (smc_address & 3)
-		return -EINVAL;
-
-	if ((smc_address + 3) > limit)
-		return -EINVAL;
-
-	WREG32(mmSMC_IND_INDEX_0, smc_address);
-
-	val = RREG32(mmSMC_IND_ACCESS_CNTL);
-	val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
-	WREG32(mmSMC_IND_ACCESS_CNTL, val);
-
-	return 0;
-}
-
-static int fiji_copy_bytes_to_smc(struct amdgpu_device *adev, uint32_t smc_start_address, const uint8_t *src, uint32_t byte_count, uint32_t limit)
-{
-	uint32_t addr;
-	uint32_t data, orig_data;
-	int result = 0;
-	uint32_t extra_shift;
-	unsigned long flags;
-
-	if (smc_start_address & 3)
-		return -EINVAL;
-
-	if ((smc_start_address + byte_count) > limit)
-		return -EINVAL;
-
-	addr = smc_start_address;
-
-	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	while (byte_count >= 4) {
-		/* Bytes are written into the SMC addres space with the MSB first */
-		data = (src[0] << 24) + (src[1] << 16) + (src[2] << 8) + src[3];
-
-		result = fiji_set_smc_sram_address(adev, addr, limit);
-
-		if (result)
-			goto out;
-
-		WREG32(mmSMC_IND_DATA_0, data);
-
-		src += 4;
-		byte_count -= 4;
-		addr += 4;
-	}
-
-	if (0 != byte_count) {
-		/* Now write odd bytes left, do a read modify write cycle */
-		data = 0;
-
-		result = fiji_set_smc_sram_address(adev, addr, limit);
-		if (result)
-			goto out;
-
-		orig_data = RREG32(mmSMC_IND_DATA_0);
-		extra_shift = 8 * (4 - byte_count);
-
-		while (byte_count > 0) {
-			data = (data << 8) + *src++;
-			byte_count--;
-		}
-
-		data <<= extra_shift;
-		data |= (orig_data & ~((~0UL) << extra_shift));
-
-		result = fiji_set_smc_sram_address(adev, addr, limit);
-		if (result)
-			goto out;
-
-		WREG32(mmSMC_IND_DATA_0, data);
-	}
-
-out:
-	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
-	return result;
-}
-
-static int fiji_program_jump_on_start(struct amdgpu_device *adev)
-{
-	static unsigned char data[] = {0xE0, 0x00, 0x80, 0x40};
-	fiji_copy_bytes_to_smc(adev, 0x0, data, 4, sizeof(data)+1);
-
-	return 0;
-}
-
-static bool fiji_is_smc_ram_running(struct amdgpu_device *adev)
-{
-	uint32_t val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-	val = REG_GET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable);
-
-	return ((0 == val) && (0x20100 <= RREG32_SMC(ixSMC_PC_C)));
-}
-
-static int wait_smu_response(struct amdgpu_device *adev)
-{
-	int i;
-	uint32_t val;
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32(mmSMC_RESP_0);
-		if (REG_GET_FIELD(val, SMC_RESP_0, SMC_RESP))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout)
-		return -EINVAL;
-
-	return 0;
-}
-
-static int fiji_send_msg_to_smc_offset(struct amdgpu_device *adev)
-{
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send previous message\n");
-		return -EINVAL;
-	}
-
-	WREG32(mmSMC_MSG_ARG_0, 0x20000);
-	WREG32(mmSMC_MESSAGE_0, PPSMC_MSG_Test);
-
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send message\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int fiji_send_msg_to_smc(struct amdgpu_device *adev, PPSMC_Msg msg)
-{
-	if (!fiji_is_smc_ram_running(adev))
-	{
-		return -EINVAL;
-	}
-
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send previous message\n");
-		return -EINVAL;
-	}
-
-	WREG32(mmSMC_MESSAGE_0, msg);
-
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send message\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int fiji_send_msg_to_smc_without_waiting(struct amdgpu_device *adev,
-						PPSMC_Msg msg)
-{
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send previous message\n");
-		return -EINVAL;
-	}
-
-	WREG32(mmSMC_MESSAGE_0, msg);
-
-	return 0;
-}
-
-static int fiji_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
-						PPSMC_Msg msg,
-						uint32_t parameter)
-{
-	if (!fiji_is_smc_ram_running(adev))
-		return -EINVAL;
-
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send previous message\n");
-		return -EINVAL;
-	}
-
-	WREG32(mmSMC_MSG_ARG_0, parameter);
-
-	return fiji_send_msg_to_smc(adev, msg);
-}
-
-static int fiji_send_msg_to_smc_with_parameter_without_waiting(
-					struct amdgpu_device *adev,
-					PPSMC_Msg msg, uint32_t parameter)
-{
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send previous message\n");
-		return -EINVAL;
-	}
-
-	WREG32(mmSMC_MSG_ARG_0, parameter);
-
-	return fiji_send_msg_to_smc_without_waiting(adev, msg);
-}
-
-#if 0 /* not used yet */
-static int fiji_wait_for_smc_inactive(struct amdgpu_device *adev)
-{
-	int i;
-	uint32_t val;
-
-	if (!fiji_is_smc_ram_running(adev))
-		return -EINVAL;
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-		if (REG_GET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, cken) == 0)
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout)
-		return -EINVAL;
-
-	return 0;
-}
-#endif
-
-static int fiji_smu_upload_firmware_image(struct amdgpu_device *adev)
-{
-	const struct smc_firmware_header_v1_0 *hdr;
-	uint32_t ucode_size;
-	uint32_t ucode_start_address;
-	const uint8_t *src;
-	uint32_t val;
-	uint32_t byte_count;
-	uint32_t *data;
-	unsigned long flags;
-
-	if (!adev->pm.fw)
-		return -EINVAL;
-
-	/* Skip SMC ucode loading on SR-IOV capable boards.
-	 * vbios does this for us in asic_init in that case.
-	 */
-	if (amdgpu_sriov_bios(adev))
-		return 0;
-
-	hdr = (const struct smc_firmware_header_v1_0 *)adev->pm.fw->data;
-	amdgpu_ucode_print_smc_hdr(&hdr->header);
-
-	adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version);
-	ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
-	ucode_start_address = le32_to_cpu(hdr->ucode_start_addr);
-	src = (const uint8_t *)
-		(adev->pm.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
-
-	if (ucode_size & 3) {
-		DRM_ERROR("SMC ucode is not 4 bytes aligned\n");
-		return -EINVAL;
-	}
-
-	if (ucode_size > FIJI_SMC_SIZE) {
-		DRM_ERROR("SMC address is beyond the SMC RAM area\n");
-		return -EINVAL;
-	}
-
-	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	WREG32(mmSMC_IND_INDEX_0, ucode_start_address);
-
-	val = RREG32(mmSMC_IND_ACCESS_CNTL);
-	val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 1);
-	WREG32(mmSMC_IND_ACCESS_CNTL, val);
-
-	byte_count = ucode_size;
-	data = (uint32_t *)src;
-	for (; byte_count >= 4; data++, byte_count -= 4)
-		WREG32(mmSMC_IND_DATA_0, data[0]);
-
-	val = RREG32(mmSMC_IND_ACCESS_CNTL);
-	val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
-	WREG32(mmSMC_IND_ACCESS_CNTL, val);
-	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
-
-	return 0;
-}
-
-#if 0 /* not used yet */
-static int fiji_read_smc_sram_dword(struct amdgpu_device *adev,
-				uint32_t smc_address,
-				uint32_t *value,
-				uint32_t limit)
-{
-	int result;
-	unsigned long flags;
-
-	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	result = fiji_set_smc_sram_address(adev, smc_address, limit);
-	if (result == 0)
-		*value = RREG32(mmSMC_IND_DATA_0);
-	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
-	return result;
-}
-
-static int fiji_write_smc_sram_dword(struct amdgpu_device *adev,
-				uint32_t smc_address,
-				uint32_t value,
-				uint32_t limit)
-{
-	int result;
-	unsigned long flags;
-
-	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	result = fiji_set_smc_sram_address(adev, smc_address, limit);
-	if (result == 0)
-		WREG32(mmSMC_IND_DATA_0, value);
-	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
-	return result;
-}
-
-static int fiji_smu_stop_smc(struct amdgpu_device *adev)
-{
-	uint32_t val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
-	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
-	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
-
-	val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-	val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 1);
-	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
-
-	return 0;
-}
-#endif
-
-static enum AMDGPU_UCODE_ID fiji_convert_fw_type(uint32_t fw_type)
-{
-	switch (fw_type) {
-		case UCODE_ID_SDMA0:
-			return AMDGPU_UCODE_ID_SDMA0;
-		case UCODE_ID_SDMA1:
-			return AMDGPU_UCODE_ID_SDMA1;
-		case UCODE_ID_CP_CE:
-			return AMDGPU_UCODE_ID_CP_CE;
-		case UCODE_ID_CP_PFP:
-			return AMDGPU_UCODE_ID_CP_PFP;
-		case UCODE_ID_CP_ME:
-			return AMDGPU_UCODE_ID_CP_ME;
-		case UCODE_ID_CP_MEC:
-		case UCODE_ID_CP_MEC_JT1:
-		case UCODE_ID_CP_MEC_JT2:
-			return AMDGPU_UCODE_ID_CP_MEC1;
-		case UCODE_ID_RLC_G:
-			return AMDGPU_UCODE_ID_RLC_G;
-		default:
-			DRM_ERROR("ucode type is out of range!\n");
-			return AMDGPU_UCODE_ID_MAXIMUM;
-	}
-}
-
-static int fiji_smu_populate_single_firmware_entry(struct amdgpu_device *adev,
-						uint32_t fw_type,
-						struct SMU_Entry *entry)
-{
-	enum AMDGPU_UCODE_ID id = fiji_convert_fw_type(fw_type);
-	struct amdgpu_firmware_info *ucode = &adev->firmware.ucode[id];
-	const struct gfx_firmware_header_v1_0 *header = NULL;
-	uint64_t gpu_addr;
-	uint32_t data_size;
-
-	if (ucode->fw == NULL)
-		return -EINVAL;
-	gpu_addr  = ucode->mc_addr;
-	header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
-	data_size = le32_to_cpu(header->header.ucode_size_bytes);
-
-	if ((fw_type == UCODE_ID_CP_MEC_JT1) ||
-		(fw_type == UCODE_ID_CP_MEC_JT2)) {
-		gpu_addr += le32_to_cpu(header->jt_offset) << 2;
-		data_size = le32_to_cpu(header->jt_size) << 2;
-	}
-
-	entry->version = (uint16_t)le32_to_cpu(header->header.ucode_version);
-	entry->id = (uint16_t)fw_type;
-	entry->image_addr_high = upper_32_bits(gpu_addr);
-	entry->image_addr_low = lower_32_bits(gpu_addr);
-	entry->meta_data_addr_high = 0;
-	entry->meta_data_addr_low = 0;
-	entry->data_size_byte = data_size;
-	entry->num_register_entries = 0;
-
-	if (fw_type == UCODE_ID_RLC_G)
-		entry->flags = 1;
-	else
-		entry->flags = 0;
-
-	return 0;
-}
-
-static int fiji_smu_request_load_fw(struct amdgpu_device *adev)
-{
-	struct fiji_smu_private_data *private = (struct fiji_smu_private_data *)adev->smu.priv;
-	struct SMU_DRAMData_TOC *toc;
-	uint32_t fw_to_load;
-
-	WREG32_SMC(ixSOFT_REGISTERS_TABLE_28, 0);
-
-	fiji_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_SMU_DRAM_ADDR_HI, private->smu_buffer_addr_high);
-	fiji_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_SMU_DRAM_ADDR_LO, private->smu_buffer_addr_low);
-
-	toc = (struct SMU_DRAMData_TOC *)private->header;
-	toc->num_entries = 0;
-	toc->structure_version = 1;
-
-	if (!adev->firmware.smu_load)
-		return 0;
-
-	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_RLC_G,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for RLC\n");
-		return -EINVAL;
-	}
-
-	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_CE,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for CE\n");
-		return -EINVAL;
-	}
-
-	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_PFP,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for PFP\n");
-		return -EINVAL;
-	}
-
-	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_ME,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for ME\n");
-		return -EINVAL;
-	}
-
-	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for MEC\n");
-		return -EINVAL;
-	}
-
-	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC_JT1,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for MEC_JT1\n");
-		return -EINVAL;
-	}
-
-	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC_JT2,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for MEC_JT2\n");
-		return -EINVAL;
-	}
-
-	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA0,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for SDMA0\n");
-		return -EINVAL;
-	}
-
-	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA1,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for SDMA1\n");
-		return -EINVAL;
-	}
-
-	fiji_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DRV_DRAM_ADDR_HI, private->header_addr_high);
-	fiji_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DRV_DRAM_ADDR_LO, private->header_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;
-
-	if (fiji_send_msg_to_smc_with_parameter_without_waiting(adev, PPSMC_MSG_LoadUcodes, fw_to_load)) {
-		DRM_ERROR("Fail to request SMU load ucode\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static uint32_t fiji_smu_get_mask_for_fw_type(uint32_t fw_type)
-{
-	switch (fw_type) {
-		case AMDGPU_UCODE_ID_SDMA0:
-			return UCODE_ID_SDMA0_MASK;
-		case AMDGPU_UCODE_ID_SDMA1:
-			return UCODE_ID_SDMA1_MASK;
-		case AMDGPU_UCODE_ID_CP_CE:
-			return UCODE_ID_CP_CE_MASK;
-		case AMDGPU_UCODE_ID_CP_PFP:
-			return UCODE_ID_CP_PFP_MASK;
-		case AMDGPU_UCODE_ID_CP_ME:
-			return UCODE_ID_CP_ME_MASK;
-		case AMDGPU_UCODE_ID_CP_MEC1:
-			return UCODE_ID_CP_MEC_MASK;
-		case AMDGPU_UCODE_ID_CP_MEC2:
-			return UCODE_ID_CP_MEC_MASK;
-		case AMDGPU_UCODE_ID_RLC_G:
-			return UCODE_ID_RLC_G_MASK;
-		default:
-			DRM_ERROR("ucode type is out of range!\n");
-			return 0;
-	}
-}
-
-static int fiji_smu_check_fw_load_finish(struct amdgpu_device *adev,
-					uint32_t fw_type)
-{
-	uint32_t fw_mask = fiji_smu_get_mask_for_fw_type(fw_type);
-	int i;
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		if (fw_mask == (RREG32_SMC(ixSOFT_REGISTERS_TABLE_28) & fw_mask))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("check firmware loading failed\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int fiji_smu_start_in_protection_mode(struct amdgpu_device *adev)
-{
-	int result;
-	uint32_t val;
-	int i;
-
-	/* Assert reset */
-	val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
-	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
-	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
-
-	result = fiji_smu_upload_firmware_image(adev);
-	if (result)
-		return result;
-
-	/* Clear status */
-	WREG32_SMC(ixSMU_STATUS, 0);
-
-	/* Enable clock */
-	val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-	val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
-	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
-
-	/* De-assert reset */
-	val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
-	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 0);
-	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
-
-	/* Set SMU Auto Start */
-	val = RREG32_SMC(ixSMU_INPUT_DATA);
-	val = REG_SET_FIELD(val, SMU_INPUT_DATA, AUTO_START, 1);
-	WREG32_SMC(ixSMU_INPUT_DATA, val);
-
-	/* Clear firmware interrupt enable flag */
-	WREG32_SMC(ixFIRMWARE_FLAGS, 0);
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixRCU_UC_EVENTS);
-		if (REG_GET_FIELD(val, RCU_UC_EVENTS, INTERRUPTS_ENABLED))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("Interrupt is not enabled by firmware\n");
-		return -EINVAL;
-	}
-
-	/* Call Test SMU message with 0x20000 offset
-	 * to trigger SMU start
-	 */
-	fiji_send_msg_to_smc_offset(adev);
-	DRM_INFO("[FM]try triger smu start\n");
-	/* Wait for done bit to be set */
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixSMU_STATUS);
-		if (REG_GET_FIELD(val, SMU_STATUS, SMU_DONE))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("Timeout for SMU start\n");
-		return -EINVAL;
-	}
-
-	/* Check pass/failed indicator */
-	val = RREG32_SMC(ixSMU_STATUS);
-	if (!REG_GET_FIELD(val, SMU_STATUS, SMU_PASS)) {
-		DRM_ERROR("SMU Firmware start failed\n");
-		return -EINVAL;
-	}
-	DRM_INFO("[FM]smu started\n");
-	/* Wait for firmware to initialize */
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixFIRMWARE_FLAGS);
-		if(REG_GET_FIELD(val, FIRMWARE_FLAGS, INTERRUPTS_ENABLED))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("SMU firmware initialization failed\n");
-		return -EINVAL;
-	}
-	DRM_INFO("[FM]smu initialized\n");
-
-	return 0;
-}
-
-static int fiji_smu_start_in_non_protection_mode(struct amdgpu_device *adev)
-{
-	int i, result;
-	uint32_t val;
-
-	/* wait for smc boot up */
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixRCU_UC_EVENTS);
-		val = REG_GET_FIELD(val, RCU_UC_EVENTS, boot_seq_done);
-		if (val)
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("SMC boot sequence is not completed\n");
-		return -EINVAL;
-	}
-
-	/* Clear firmware interrupt enable flag */
-	WREG32_SMC(ixFIRMWARE_FLAGS, 0);
-
-	/* Assert reset */
-	val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
-	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
-	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
-
-	result = fiji_smu_upload_firmware_image(adev);
-	if (result)
-		return result;
-
-	/* Set smc instruct start point at 0x0 */
-	fiji_program_jump_on_start(adev);
-
-	/* Enable clock */
-	val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-	val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
-	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
-
-	/* De-assert reset */
-	val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
-	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 0);
-	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
-
-	/* Wait for firmware to initialize */
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixFIRMWARE_FLAGS);
-		if (REG_GET_FIELD(val, FIRMWARE_FLAGS, INTERRUPTS_ENABLED))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("Timeout for SMC firmware initialization\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-int fiji_smu_start(struct amdgpu_device *adev)
-{
-	int result;
-	uint32_t val;
-
-	if (!fiji_is_smc_ram_running(adev)) {
-		val = RREG32_SMC(ixSMU_FIRMWARE);
-		if (!REG_GET_FIELD(val, SMU_FIRMWARE, SMU_MODE)) {
-			DRM_INFO("[FM]start smu in nonprotection mode\n");
-			result = fiji_smu_start_in_non_protection_mode(adev);
-			if (result)
-				return result;
-		} else {
-			DRM_INFO("[FM]start smu in protection mode\n");
-			result = fiji_smu_start_in_protection_mode(adev);
-			if (result)
-				return result;
-		}
-	}
-
-	return fiji_smu_request_load_fw(adev);
-}
-
-static const struct amdgpu_smumgr_funcs fiji_smumgr_funcs = {
-	.check_fw_load_finish = fiji_smu_check_fw_load_finish,
-	.request_smu_load_fw = NULL,
-	.request_smu_specific_fw = NULL,
-};
-
-int fiji_smu_init(struct amdgpu_device *adev)
-{
-	struct fiji_smu_private_data *private;
-	uint32_t image_size = ((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096;
-	uint32_t smu_internal_buffer_size = 200*4096;
-	struct amdgpu_bo **toc_buf = &adev->smu.toc_buf;
-	struct amdgpu_bo **smu_buf = &adev->smu.smu_buf;
-	uint64_t mc_addr;
-	void *toc_buf_ptr;
-	void *smu_buf_ptr;
-	int ret;
-
-	private = kzalloc(sizeof(struct fiji_smu_private_data), GFP_KERNEL);
-	if (NULL == private)
-		return -ENOMEM;
-
-	/* allocate firmware buffers */
-	if (adev->firmware.smu_load)
-		amdgpu_ucode_init_bo(adev);
-
-	adev->smu.priv = private;
-	adev->smu.fw_flags = 0;
-
-	/* Allocate FW image data structure and header buffer */
-	ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE,
-			       true, AMDGPU_GEM_DOMAIN_VRAM,
-			       AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			       NULL, NULL, toc_buf);
-	if (ret) {
-		DRM_ERROR("Failed to allocate memory for TOC buffer\n");
-		return -ENOMEM;
-	}
-
-	/* Allocate buffer for SMU internal buffer */
-	ret = amdgpu_bo_create(adev, smu_internal_buffer_size, PAGE_SIZE,
-			       true, AMDGPU_GEM_DOMAIN_VRAM,
-			       AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			       NULL, NULL, smu_buf);
-	if (ret) {
-		DRM_ERROR("Failed to allocate memory for SMU internal buffer\n");
-		return -ENOMEM;
-	}
-
-	/* Retrieve GPU address for header buffer and internal buffer */
-	ret = amdgpu_bo_reserve(adev->smu.toc_buf, false);
-	if (ret) {
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to reserve the TOC buffer\n");
-		return -EINVAL;
-	}
-
-	ret = amdgpu_bo_pin(adev->smu.toc_buf, AMDGPU_GEM_DOMAIN_VRAM, &mc_addr);
-	if (ret) {
-		amdgpu_bo_unreserve(adev->smu.toc_buf);
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to pin the TOC buffer\n");
-		return -EINVAL;
-	}
-
-	ret = amdgpu_bo_kmap(*toc_buf, &toc_buf_ptr);
-	if (ret) {
-		amdgpu_bo_unreserve(adev->smu.toc_buf);
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to map the TOC buffer\n");
-		return -EINVAL;
-	}
-
-	amdgpu_bo_unreserve(adev->smu.toc_buf);
-	private->header_addr_low = lower_32_bits(mc_addr);
-	private->header_addr_high = upper_32_bits(mc_addr);
-	private->header = toc_buf_ptr;
-
-	ret = amdgpu_bo_reserve(adev->smu.smu_buf, false);
-	if (ret) {
-		amdgpu_bo_unref(&adev->smu.smu_buf);
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to reserve the SMU internal buffer\n");
-		return -EINVAL;
-	}
-
-	ret = amdgpu_bo_pin(adev->smu.smu_buf, AMDGPU_GEM_DOMAIN_VRAM, &mc_addr);
-	if (ret) {
-		amdgpu_bo_unreserve(adev->smu.smu_buf);
-		amdgpu_bo_unref(&adev->smu.smu_buf);
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to pin the SMU internal buffer\n");
-		return -EINVAL;
-	}
-
-	ret = amdgpu_bo_kmap(*smu_buf, &smu_buf_ptr);
-	if (ret) {
-		amdgpu_bo_unreserve(adev->smu.smu_buf);
-		amdgpu_bo_unref(&adev->smu.smu_buf);
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to map the SMU internal buffer\n");
-		return -EINVAL;
-	}
-
-	amdgpu_bo_unreserve(adev->smu.smu_buf);
-	private->smu_buffer_addr_low = lower_32_bits(mc_addr);
-	private->smu_buffer_addr_high = upper_32_bits(mc_addr);
-
-	adev->smu.smumgr_funcs = &fiji_smumgr_funcs;
-
-	return 0;
-}
-
-int fiji_smu_fini(struct amdgpu_device *adev)
-{
-	amdgpu_bo_unref(&adev->smu.toc_buf);
-	amdgpu_bo_unref(&adev->smu.smu_buf);
-	kfree(adev->smu.priv);
-	adev->smu.priv = NULL;
-	if (adev->firmware.fw_buf)
-		amdgpu_ucode_fini_bo(adev);
-
-	return 0;
-}

drivers/gpu/drm/amd/amdgpu/fiji_smum.h

···
-/*
- * Copyright 2014 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_SMUMGR_H
-#define FIJI_SMUMGR_H
-
-#include "fiji_ppsmc.h"
-
-int fiji_smu_init(struct amdgpu_device *adev);
-int fiji_smu_fini(struct amdgpu_device *adev);
-int fiji_smu_start(struct amdgpu_device *adev);
-
-struct fiji_smu_private_data
-{
-	uint8_t *header;
-	uint32_t smu_buffer_addr_high;
-	uint32_t smu_buffer_addr_low;
-	uint32_t header_addr_high;
-	uint32_t header_addr_low;
-};
-
-#endif

drivers/gpu/drm/amd/amdgpu/iceland_dpm.c

···
-/*
- * Copyright 2014 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 <linux/firmware.h>
-#include "drmP.h"
-#include "amdgpu.h"
-#include "iceland_smum.h"
-
-MODULE_FIRMWARE("amdgpu/topaz_smc.bin");
-
-static void iceland_dpm_set_funcs(struct amdgpu_device *adev);
-
-static int iceland_dpm_early_init(void *handle)
-{
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	iceland_dpm_set_funcs(adev);
-
-	return 0;
-}
-
-static int iceland_dpm_init_microcode(struct amdgpu_device *adev)
-{
-	char fw_name[30] = "amdgpu/topaz_smc.bin";
-	int err;
-
-	err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->pm.fw);
-
-out:
-	if (err) {
-		DRM_ERROR("Failed to load firmware \"%s\"", fw_name);
-		release_firmware(adev->pm.fw);
-		adev->pm.fw = NULL;
-	}
-	return err;
-}
-
-static int iceland_dpm_sw_init(void *handle)
-{
-	int ret;
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	ret = iceland_dpm_init_microcode(adev);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
-static int iceland_dpm_sw_fini(void *handle)
-{
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	release_firmware(adev->pm.fw);
-	adev->pm.fw = NULL;
-
-	return 0;
-}
-
-static int iceland_dpm_hw_init(void *handle)
-{
-	int ret;
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	mutex_lock(&adev->pm.mutex);
-
-	/* smu init only needs to be called at startup, not resume.
-	 * It should be in sw_init, but requires the fw info gathered
-	 * in sw_init from other IP modules.
-	 */
-	ret = iceland_smu_init(adev);
-	if (ret) {
-		DRM_ERROR("SMU initialization failed\n");
-		goto fail;
-	}
-
-	ret = iceland_smu_start(adev);
-	if (ret) {
-		DRM_ERROR("SMU start failed\n");
-		goto fail;
-	}
-
-	mutex_unlock(&adev->pm.mutex);
-	return 0;
-
-fail:
-	adev->firmware.smu_load = false;
-	mutex_unlock(&adev->pm.mutex);
-	return -EINVAL;
-}
-
-static int iceland_dpm_hw_fini(void *handle)
-{
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	mutex_lock(&adev->pm.mutex);
-	/* smu fini only needs to be called at teardown, not suspend.
-	 * It should be in sw_fini, but we put it here for symmetry
-	 * with smu init.
-	 */
-	iceland_smu_fini(adev);
-	mutex_unlock(&adev->pm.mutex);
-	return 0;
-}
-
-static int iceland_dpm_suspend(void *handle)
-{
-	return 0;
-}
-
-static int iceland_dpm_resume(void *handle)
-{
-	int ret;
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	mutex_lock(&adev->pm.mutex);
-
-	ret = iceland_smu_start(adev);
-	if (ret) {
-		DRM_ERROR("SMU start failed\n");
-		goto fail;
-	}
-
-fail:
-	mutex_unlock(&adev->pm.mutex);
-	return ret;
-}
-
-static int iceland_dpm_set_clockgating_state(void *handle,
-			enum amd_clockgating_state state)
-{
-	return 0;
-}
-
-static int iceland_dpm_set_powergating_state(void *handle,
-			enum amd_powergating_state state)
-{
-	return 0;
-}
-
-const struct amd_ip_funcs iceland_dpm_ip_funcs = {
-	.name = "iceland_dpm",
-	.early_init = iceland_dpm_early_init,
-	.late_init = NULL,
-	.sw_init = iceland_dpm_sw_init,
-	.sw_fini = iceland_dpm_sw_fini,
-	.hw_init = iceland_dpm_hw_init,
-	.hw_fini = iceland_dpm_hw_fini,
-	.suspend = iceland_dpm_suspend,
-	.resume = iceland_dpm_resume,
-	.is_idle = NULL,
-	.wait_for_idle = NULL,
-	.soft_reset = NULL,
-	.set_clockgating_state = iceland_dpm_set_clockgating_state,
-	.set_powergating_state = iceland_dpm_set_powergating_state,
-};
-
-static const struct amdgpu_dpm_funcs iceland_dpm_funcs = {
-	.get_temperature = NULL,
-	.pre_set_power_state = NULL,
-	.set_power_state = NULL,
-	.post_set_power_state = NULL,
-	.display_configuration_changed = NULL,
-	.get_sclk = NULL,
-	.get_mclk = NULL,
-	.print_power_state = NULL,
-	.debugfs_print_current_performance_level = NULL,
-	.force_performance_level = NULL,
-	.vblank_too_short = NULL,
-	.powergate_uvd = NULL,
-};
-
-static void iceland_dpm_set_funcs(struct amdgpu_device *adev)
-{
-	if (NULL == adev->pm.funcs)
-		adev->pm.funcs = &iceland_dpm_funcs;
-}

drivers/gpu/drm/amd/amdgpu/iceland_smc.c

···
-/*
- * Copyright 2014 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 <linux/firmware.h>
-#include "drmP.h"
-#include "amdgpu.h"
-#include "ppsmc.h"
-#include "iceland_smum.h"
-#include "smu_ucode_xfer_vi.h"
-#include "amdgpu_ucode.h"
-
-#include "smu/smu_7_1_1_d.h"
-#include "smu/smu_7_1_1_sh_mask.h"
-
-#define ICELAND_SMC_SIZE 0x20000
-
-static int iceland_set_smc_sram_address(struct amdgpu_device *adev,
-					uint32_t smc_address, uint32_t limit)
-{
-	uint32_t val;
-
-	if (smc_address & 3)
-		return -EINVAL;
-
-	if ((smc_address + 3) > limit)
-		return -EINVAL;
-
-	WREG32(mmSMC_IND_INDEX_0, smc_address);
-
-	val = RREG32(mmSMC_IND_ACCESS_CNTL);
-	val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
-	WREG32(mmSMC_IND_ACCESS_CNTL, val);
-
-	return 0;
-}
-
-static int iceland_copy_bytes_to_smc(struct amdgpu_device *adev,
-				     uint32_t smc_start_address,
-				     const uint8_t *src,
-				     uint32_t byte_count, uint32_t limit)
-{
-	uint32_t addr;
-	uint32_t data, orig_data;
-	int result = 0;
-	uint32_t extra_shift;
-	unsigned long flags;
-
-	if (smc_start_address & 3)
-		return -EINVAL;
-
-	if ((smc_start_address + byte_count) > limit)
-		return -EINVAL;
-
-	addr = smc_start_address;
-
-	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	while (byte_count >= 4) {
-		/* Bytes are written into the SMC addres space with the MSB first */
-		data = (src[0] << 24) + (src[1] << 16) + (src[2] << 8) + src[3];
-
-		result = iceland_set_smc_sram_address(adev, addr, limit);
-
-		if (result)
-			goto out;
-
-		WREG32(mmSMC_IND_DATA_0, data);
-
-		src += 4;
-		byte_count -= 4;
-		addr += 4;
-	}
-
-	if (0 != byte_count) {
-		/* Now write odd bytes left, do a read modify write cycle */
-		data = 0;
-
-		result = iceland_set_smc_sram_address(adev, addr, limit);
-		if (result)
-			goto out;
-
-		orig_data = RREG32(mmSMC_IND_DATA_0);
-		extra_shift = 8 * (4 - byte_count);
-
-		while (byte_count > 0) {
-			data = (data << 8) + *src++;
-			byte_count--;
-		}
-
-		data <<= extra_shift;
-		data |= (orig_data & ~((~0UL) << extra_shift));
-
-		result = iceland_set_smc_sram_address(adev, addr, limit);
-		if (result)
-			goto out;
-
-		WREG32(mmSMC_IND_DATA_0, data);
-	}
-
-out:
-	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
-	return result;
-}
-
-static void iceland_start_smc(struct amdgpu_device *adev)
-{
-	uint32_t val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
-
-	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 0);
-	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
-}
-
-static void iceland_reset_smc(struct amdgpu_device *adev)
-{
-	uint32_t val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
-
-	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
-	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
-}
-
-static int iceland_program_jump_on_start(struct amdgpu_device *adev)
-{
-	static unsigned char data[] = {0xE0, 0x00, 0x80, 0x40};
-	iceland_copy_bytes_to_smc(adev, 0x0, data, 4, sizeof(data)+1);
-
-	return 0;
-}
-
-static void iceland_stop_smc_clock(struct amdgpu_device *adev)
-{
-	uint32_t val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-
-	val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 1);
-	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
-}
-
-static void iceland_start_smc_clock(struct amdgpu_device *adev)
-{
-	uint32_t val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-
-	val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
-	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
-}
-
-static bool iceland_is_smc_ram_running(struct amdgpu_device *adev)
-{
-	uint32_t val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-	val = REG_GET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable);
-
-	return ((0 == val) && (0x20100 <= RREG32_SMC(ixSMC_PC_C)));
-}
-
-static int wait_smu_response(struct amdgpu_device *adev)
-{
-	int i;
-	uint32_t val;
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32(mmSMC_RESP_0);
-		if (REG_GET_FIELD(val, SMC_RESP_0, SMC_RESP))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout)
-		return -EINVAL;
-
-	return 0;
-}
-
-static int iceland_send_msg_to_smc(struct amdgpu_device *adev, PPSMC_Msg msg)
-{
-	if (!iceland_is_smc_ram_running(adev))
-		return -EINVAL;
-
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send previous message\n");
-		return -EINVAL;
-	}
-
-	WREG32(mmSMC_MESSAGE_0, msg);
-
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send message\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int iceland_send_msg_to_smc_without_waiting(struct amdgpu_device *adev,
-						   PPSMC_Msg msg)
-{
-	if (!iceland_is_smc_ram_running(adev))
-		return -EINVAL;
-
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send previous message\n");
-		return -EINVAL;
-	}
-
-	WREG32(mmSMC_MESSAGE_0, msg);
-
-	return 0;
-}
-
-static int iceland_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
-						  PPSMC_Msg msg,
-						  uint32_t parameter)
-{
-	WREG32(mmSMC_MSG_ARG_0, parameter);
-
-	return iceland_send_msg_to_smc(adev, msg);
-}
-
-static int iceland_send_msg_to_smc_with_parameter_without_waiting(
-					struct amdgpu_device *adev,
-					PPSMC_Msg msg, uint32_t parameter)
-{
-	WREG32(mmSMC_MSG_ARG_0, parameter);
-
-	return iceland_send_msg_to_smc_without_waiting(adev, msg);
-}
-
-#if 0 /* not used yet */
-static int iceland_wait_for_smc_inactive(struct amdgpu_device *adev)
-{
-	int i;
-	uint32_t val;
-
-	if (!iceland_is_smc_ram_running(adev))
-		return -EINVAL;
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-		if (REG_GET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, cken) == 0)
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout)
-		return -EINVAL;
-
-	return 0;
-}
-#endif
-
-static int iceland_smu_upload_firmware_image(struct amdgpu_device *adev)
-{
-	const struct smc_firmware_header_v1_0 *hdr;
-	uint32_t ucode_size;
-	uint32_t ucode_start_address;
-	const uint8_t *src;
-	uint32_t val;
-	uint32_t byte_count;
-	uint32_t data;
-	unsigned long flags;
-	int i;
-
-	if (!adev->pm.fw)
-		return -EINVAL;
-
-	/* Skip SMC ucode loading on SR-IOV capable boards.
-	 * vbios does this for us in asic_init in that case.
-	 */
-	if (amdgpu_sriov_bios(adev))
-		return 0;
-
-	hdr = (const struct smc_firmware_header_v1_0 *)adev->pm.fw->data;
-	amdgpu_ucode_print_smc_hdr(&hdr->header);
-
-	adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version);
-	ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
-	ucode_start_address = le32_to_cpu(hdr->ucode_start_addr);
-	src = (const uint8_t *)
-		(adev->pm.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
-
-	if (ucode_size & 3) {
-		DRM_ERROR("SMC ucode is not 4 bytes aligned\n");
-		return -EINVAL;
-	}
-
-	if (ucode_size > ICELAND_SMC_SIZE) {
-		DRM_ERROR("SMC address is beyond the SMC RAM area\n");
-		return -EINVAL;
-	}
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixRCU_UC_EVENTS);
-		if (REG_GET_FIELD(val, RCU_UC_EVENTS, boot_seq_done) == 0)
-			break;
-		udelay(1);
-	}
-	val = RREG32_SMC(ixSMC_SYSCON_MISC_CNTL);
-	WREG32_SMC(ixSMC_SYSCON_MISC_CNTL, val | 1);
-
-	iceland_stop_smc_clock(adev);
-	iceland_reset_smc(adev);
-
-	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	WREG32(mmSMC_IND_INDEX_0, ucode_start_address);
-
-	val = RREG32(mmSMC_IND_ACCESS_CNTL);
-	val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 1);
-	WREG32(mmSMC_IND_ACCESS_CNTL, val);
-
-	byte_count = ucode_size;
-	while (byte_count >= 4) {
-		data = (src[0] << 24) + (src[1] << 16) + (src[2] << 8) + src[3];
-		WREG32(mmSMC_IND_DATA_0, data);
-		src += 4;
-		byte_count -= 4;
-	}
-	val = RREG32(mmSMC_IND_ACCESS_CNTL);
-	val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
-	WREG32(mmSMC_IND_ACCESS_CNTL, val);
-	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
-
-	return 0;
-}
-
-#if 0 /* not used yet */
-static int iceland_read_smc_sram_dword(struct amdgpu_device *adev,
-				       uint32_t smc_address,
-				       uint32_t *value,
-				       uint32_t limit)
-{
-	int result;
-	unsigned long flags;
-
-	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	result = iceland_set_smc_sram_address(adev, smc_address, limit);
-	if (result == 0)
-		*value = RREG32(mmSMC_IND_DATA_0);
-	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
-	return result;
-}
-
-static int iceland_write_smc_sram_dword(struct amdgpu_device *adev,
-					uint32_t smc_address,
-					uint32_t value,
-					uint32_t limit)
-{
-	int result;
-	unsigned long flags;
-
-	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	result = iceland_set_smc_sram_address(adev, smc_address, limit);
-	if (result == 0)
-		WREG32(mmSMC_IND_DATA_0, value);
-	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
-	return result;
-}
-
-static int iceland_smu_stop_smc(struct amdgpu_device *adev)
-{
-	iceland_reset_smc(adev);
-	iceland_stop_smc_clock(adev);
-
-	return 0;
-}
-#endif
-
-static int iceland_smu_start_smc(struct amdgpu_device *adev)
-{
-	int i;
-	uint32_t val;
-
-	iceland_program_jump_on_start(adev);
-	iceland_start_smc_clock(adev);
-	iceland_start_smc(adev);
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixFIRMWARE_FLAGS);
-		if (REG_GET_FIELD(val, FIRMWARE_FLAGS, INTERRUPTS_ENABLED) == 1)
-			break;
-		udelay(1);
-	}
-	return 0;
-}
-
-static enum AMDGPU_UCODE_ID iceland_convert_fw_type(uint32_t fw_type)
-{
-	switch (fw_type) {
-		case UCODE_ID_SDMA0:
-			return AMDGPU_UCODE_ID_SDMA0;
-		case UCODE_ID_SDMA1:
-			return AMDGPU_UCODE_ID_SDMA1;
-		case UCODE_ID_CP_CE:
-			return AMDGPU_UCODE_ID_CP_CE;
-		case UCODE_ID_CP_PFP:
-			return AMDGPU_UCODE_ID_CP_PFP;
-		case UCODE_ID_CP_ME:
-			return AMDGPU_UCODE_ID_CP_ME;
-		case UCODE_ID_CP_MEC:
-		case UCODE_ID_CP_MEC_JT1:
-			return AMDGPU_UCODE_ID_CP_MEC1;
-		case UCODE_ID_CP_MEC_JT2:
-			return AMDGPU_UCODE_ID_CP_MEC2;
-		case UCODE_ID_RLC_G:
-			return AMDGPU_UCODE_ID_RLC_G;
-		default:
-			DRM_ERROR("ucode type is out of range!\n");
-			return AMDGPU_UCODE_ID_MAXIMUM;
-	}
-}
-
-static uint32_t iceland_smu_get_mask_for_fw_type(uint32_t fw_type)
-{
-	switch (fw_type) {
-		case AMDGPU_UCODE_ID_SDMA0:
-			return UCODE_ID_SDMA0_MASK;
-		case AMDGPU_UCODE_ID_SDMA1:
-			return UCODE_ID_SDMA1_MASK;
-		case AMDGPU_UCODE_ID_CP_CE:
-			return UCODE_ID_CP_CE_MASK;
-		case AMDGPU_UCODE_ID_CP_PFP:
-			return UCODE_ID_CP_PFP_MASK;
-		case AMDGPU_UCODE_ID_CP_ME:
-			return UCODE_ID_CP_ME_MASK;
-		case AMDGPU_UCODE_ID_CP_MEC1:
-			return UCODE_ID_CP_MEC_MASK | UCODE_ID_CP_MEC_JT1_MASK;
-		case AMDGPU_UCODE_ID_CP_MEC2:
-			return UCODE_ID_CP_MEC_MASK;
-		case AMDGPU_UCODE_ID_RLC_G:
-			return UCODE_ID_RLC_G_MASK;
-		default:
-			DRM_ERROR("ucode type is out of range!\n");
-			return 0;
-	}
-}
-
-static int iceland_smu_populate_single_firmware_entry(struct amdgpu_device *adev,
-						      uint32_t fw_type,
-						      struct SMU_Entry *entry)
-{
-	enum AMDGPU_UCODE_ID id = iceland_convert_fw_type(fw_type);
-	struct amdgpu_firmware_info *ucode = &adev->firmware.ucode[id];
-	const struct gfx_firmware_header_v1_0 *header = NULL;
-	uint64_t gpu_addr;
-	uint32_t data_size;
-
-	if (ucode->fw == NULL)
-		return -EINVAL;
-
-	gpu_addr  = ucode->mc_addr;
-	header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
-	data_size = le32_to_cpu(header->header.ucode_size_bytes);
-
-	entry->version = (uint16_t)le32_to_cpu(header->header.ucode_version);
-	entry->id = (uint16_t)fw_type;
-	entry->image_addr_high = upper_32_bits(gpu_addr);
-	entry->image_addr_low = lower_32_bits(gpu_addr);
-	entry->meta_data_addr_high = 0;
-	entry->meta_data_addr_low = 0;
-	entry->data_size_byte = data_size;
-	entry->num_register_entries = 0;
-	entry->flags = 0;
-
-	return 0;
-}
-
-static int iceland_smu_request_load_fw(struct amdgpu_device *adev)
-{
-	struct iceland_smu_private_data *private = (struct iceland_smu_private_data *)adev->smu.priv;
-	struct SMU_DRAMData_TOC *toc;
-	uint32_t fw_to_load;
-
-	toc = (struct SMU_DRAMData_TOC *)private->header;
-	toc->num_entries = 0;
-	toc->structure_version = 1;
-
-	if (!adev->firmware.smu_load)
-		return 0;
-
-	if (iceland_smu_populate_single_firmware_entry(adev, UCODE_ID_RLC_G,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for RLC\n");
-		return -EINVAL;
-	}
-
-	if (iceland_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_CE,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for CE\n");
-		return -EINVAL;
-	}
-
-	if (iceland_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_PFP,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for PFP\n");
-		return -EINVAL;
-	}
-
-	if (iceland_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_ME,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for ME\n");
-		return -EINVAL;
-	}
-
-	if (iceland_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for MEC\n");
-		return -EINVAL;
-	}
-
-	if (iceland_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC_JT1,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for MEC_JT1\n");
-		return -EINVAL;
-	}
-
-	if (iceland_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA0,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for SDMA0\n");
-		return -EINVAL;
-	}
-
-	if (iceland_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA1,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for SDMA1\n");
-		return -EINVAL;
-	}
-
-	iceland_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DRV_DRAM_ADDR_HI, private->header_addr_high);
-	iceland_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DRV_DRAM_ADDR_LO, private->header_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;
-
-
-	if (iceland_send_msg_to_smc_with_parameter_without_waiting(adev, PPSMC_MSG_LoadUcodes, fw_to_load)) {
-		DRM_ERROR("Fail to request SMU load ucode\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int iceland_smu_check_fw_load_finish(struct amdgpu_device *adev,
-					    uint32_t fw_type)
-{
-	uint32_t fw_mask = iceland_smu_get_mask_for_fw_type(fw_type);
-	int i;
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		if (fw_mask == (RREG32_SMC(ixSOFT_REGISTERS_TABLE_27) & fw_mask))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("check firmware loading failed\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-int iceland_smu_start(struct amdgpu_device *adev)
-{
-	int result;
-
-	result = iceland_smu_upload_firmware_image(adev);
-	if (result)
-		return result;
-	result = iceland_smu_start_smc(adev);
-	if (result)
-		return result;
-
-	return iceland_smu_request_load_fw(adev);
-}
-
-static const struct amdgpu_smumgr_funcs iceland_smumgr_funcs = {
-	.check_fw_load_finish = iceland_smu_check_fw_load_finish,
-	.request_smu_load_fw = NULL,
-	.request_smu_specific_fw = NULL,
-};
-
-int iceland_smu_init(struct amdgpu_device *adev)
-{
-	struct iceland_smu_private_data *private;
-	uint32_t image_size = ((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096;
-	struct amdgpu_bo **toc_buf = &adev->smu.toc_buf;
-	uint64_t mc_addr;
-	void *toc_buf_ptr;
-	int ret;
-
-	private = kzalloc(sizeof(struct iceland_smu_private_data), GFP_KERNEL);
-	if (NULL == private)
-		return -ENOMEM;
-
-	/* allocate firmware buffers */
-	if (adev->firmware.smu_load)
-		amdgpu_ucode_init_bo(adev);
-
-	adev->smu.priv = private;
-	adev->smu.fw_flags = 0;
-
-	/* Allocate FW image data structure and header buffer */
-	ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE,
-			       true, AMDGPU_GEM_DOMAIN_VRAM,
-			       AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			       NULL, NULL, toc_buf);
-	if (ret) {
-		DRM_ERROR("Failed to allocate memory for TOC buffer\n");
-		return -ENOMEM;
-	}
-
-	/* Retrieve GPU address for header buffer and internal buffer */
-	ret = amdgpu_bo_reserve(adev->smu.toc_buf, false);
-	if (ret) {
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to reserve the TOC buffer\n");
-		return -EINVAL;
-	}
-
-	ret = amdgpu_bo_pin(adev->smu.toc_buf, AMDGPU_GEM_DOMAIN_VRAM, &mc_addr);
-	if (ret) {
-		amdgpu_bo_unreserve(adev->smu.toc_buf);
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to pin the TOC buffer\n");
-		return -EINVAL;
-	}
-
-	ret = amdgpu_bo_kmap(*toc_buf, &toc_buf_ptr);
-	if (ret) {
-		amdgpu_bo_unreserve(adev->smu.toc_buf);
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to map the TOC buffer\n");
-		return -EINVAL;
-	}
-
-	amdgpu_bo_unreserve(adev->smu.toc_buf);
-	private->header_addr_low = lower_32_bits(mc_addr);
-	private->header_addr_high = upper_32_bits(mc_addr);
-	private->header = toc_buf_ptr;
-
-	adev->smu.smumgr_funcs = &iceland_smumgr_funcs;
-
-	return 0;
-}
-
-int iceland_smu_fini(struct amdgpu_device *adev)
-{
-	amdgpu_bo_unref(&adev->smu.toc_buf);
-	kfree(adev->smu.priv);
-	adev->smu.priv = NULL;
-	if (adev->firmware.fw_buf)
-		amdgpu_ucode_fini_bo(adev);
-
-	return 0;
-}

drivers/gpu/drm/amd/amdgpu/iceland_smum.h

···
-/*
- * Copyright 2014 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 ICELAND_SMUM_H
-#define ICELAND_SMUM_H
-
-#include "ppsmc.h"
-
-extern int iceland_smu_init(struct amdgpu_device *adev);
-extern int iceland_smu_fini(struct amdgpu_device *adev);
-extern int iceland_smu_start(struct amdgpu_device *adev);
-
-struct iceland_smu_private_data
-{
-	uint8_t *header;
-	uint8_t *mec_image;
-	uint32_t header_addr_high;
-	uint32_t header_addr_low;
-};
-
-#endif

drivers/gpu/drm/amd/amdgpu/tonga_dpm.c

···
-/*
- * Copyright 2014 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 <linux/firmware.h>
-#include "drmP.h"
-#include "amdgpu.h"
-#include "tonga_smum.h"
-
-MODULE_FIRMWARE("amdgpu/tonga_smc.bin");
-
-static void tonga_dpm_set_funcs(struct amdgpu_device *adev);
-
-static int tonga_dpm_early_init(void *handle)
-{
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	tonga_dpm_set_funcs(adev);
-
-	return 0;
-}
-
-static int tonga_dpm_init_microcode(struct amdgpu_device *adev)
-{
-	char fw_name[30] = "amdgpu/tonga_smc.bin";
-	int err;
-	err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->pm.fw);
-
-out:
-	if (err) {
-		DRM_ERROR("Failed to load firmware \"%s\"", fw_name);
-		release_firmware(adev->pm.fw);
-		adev->pm.fw = NULL;
-	}
-	return err;
-}
-
-static int tonga_dpm_sw_init(void *handle)
-{
-	int ret;
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	ret = tonga_dpm_init_microcode(adev);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
-static int tonga_dpm_sw_fini(void *handle)
-{
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	release_firmware(adev->pm.fw);
-	adev->pm.fw = NULL;
-
-	return 0;
-}
-
-static int tonga_dpm_hw_init(void *handle)
-{
-	int ret;
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	mutex_lock(&adev->pm.mutex);
-
-	/* smu init only needs to be called at startup, not resume.
-	 * It should be in sw_init, but requires the fw info gathered
-	 * in sw_init from other IP modules.
-	 */
-	ret = tonga_smu_init(adev);
-	if (ret) {
-		DRM_ERROR("SMU initialization failed\n");
-		goto fail;
-	}
-
-	ret = tonga_smu_start(adev);
-	if (ret) {
-		DRM_ERROR("SMU start failed\n");
-		goto fail;
-	}
-
-	mutex_unlock(&adev->pm.mutex);
-	return 0;
-
-fail:
-	adev->firmware.smu_load = false;
-	mutex_unlock(&adev->pm.mutex);
-	return -EINVAL;
-}
-
-static int tonga_dpm_hw_fini(void *handle)
-{
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	mutex_lock(&adev->pm.mutex);
-	/* smu fini only needs to be called at teardown, not suspend.
-	 * It should be in sw_fini, but we put it here for symmetry
-	 * with smu init.
-	 */
-	tonga_smu_fini(adev);
-	mutex_unlock(&adev->pm.mutex);
-	return 0;
-}
-
-static int tonga_dpm_suspend(void *handle)
-{
-	return tonga_dpm_hw_fini(handle);
-}
-
-static int tonga_dpm_resume(void *handle)
-{
-	return tonga_dpm_hw_init(handle);
-}
-
-static int tonga_dpm_set_clockgating_state(void *handle,
-			enum amd_clockgating_state state)
-{
-	return 0;
-}
-
-static int tonga_dpm_set_powergating_state(void *handle,
-			enum amd_powergating_state state)
-{
-	return 0;
-}
-
-const struct amd_ip_funcs tonga_dpm_ip_funcs = {
-	.name = "tonga_dpm",
-	.early_init = tonga_dpm_early_init,
-	.late_init = NULL,
-	.sw_init = tonga_dpm_sw_init,
-	.sw_fini = tonga_dpm_sw_fini,
-	.hw_init = tonga_dpm_hw_init,
-	.hw_fini = tonga_dpm_hw_fini,
-	.suspend = tonga_dpm_suspend,
-	.resume = tonga_dpm_resume,
-	.is_idle = NULL,
-	.wait_for_idle = NULL,
-	.soft_reset = NULL,
-	.set_clockgating_state = tonga_dpm_set_clockgating_state,
-	.set_powergating_state = tonga_dpm_set_powergating_state,
-};
-
-static const struct amdgpu_dpm_funcs tonga_dpm_funcs = {
-	.get_temperature = NULL,
-	.pre_set_power_state = NULL,
-	.set_power_state = NULL,
-	.post_set_power_state = NULL,
-	.display_configuration_changed = NULL,
-	.get_sclk = NULL,
-	.get_mclk = NULL,
-	.print_power_state = NULL,
-	.debugfs_print_current_performance_level = NULL,
-	.force_performance_level = NULL,
-	.vblank_too_short = NULL,
-	.powergate_uvd = NULL,
-};
-
-static void tonga_dpm_set_funcs(struct amdgpu_device *adev)
-{
-	if (NULL == adev->pm.funcs)
-		adev->pm.funcs = &tonga_dpm_funcs;
-}

drivers/gpu/drm/amd/amdgpu/tonga_smc.c

···
-/*
- * Copyright 2014 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 <linux/firmware.h>
-#include "drmP.h"
-#include "amdgpu.h"
-#include "tonga_ppsmc.h"
-#include "tonga_smum.h"
-#include "smu_ucode_xfer_vi.h"
-#include "amdgpu_ucode.h"
-
-#include "smu/smu_7_1_2_d.h"
-#include "smu/smu_7_1_2_sh_mask.h"
-
-#define TONGA_SMC_SIZE 0x20000
-
-static int tonga_set_smc_sram_address(struct amdgpu_device *adev, uint32_t smc_address, uint32_t limit)
-{
-	uint32_t val;
-
-	if (smc_address & 3)
-		return -EINVAL;
-
-	if ((smc_address + 3) > limit)
-		return -EINVAL;
-
-	WREG32(mmSMC_IND_INDEX_0, smc_address);
-
-	val = RREG32(mmSMC_IND_ACCESS_CNTL);
-	val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
-	WREG32(mmSMC_IND_ACCESS_CNTL, val);
-
-	return 0;
-}
-
-static int tonga_copy_bytes_to_smc(struct amdgpu_device *adev, uint32_t smc_start_address, const uint8_t *src, uint32_t byte_count, uint32_t limit)
-{
-	uint32_t addr;
-	uint32_t data, orig_data;
-	int result = 0;
-	uint32_t extra_shift;
-	unsigned long flags;
-
-	if (smc_start_address & 3)
-		return -EINVAL;
-
-	if ((smc_start_address + byte_count) > limit)
-		return -EINVAL;
-
-	addr = smc_start_address;
-
-	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	while (byte_count >= 4) {
-		/* Bytes are written into the SMC addres space with the MSB first */
-		data = (src[0] << 24) + (src[1] << 16) + (src[2] << 8) + src[3];
-
-		result = tonga_set_smc_sram_address(adev, addr, limit);
-
-		if (result)
-			goto out;
-
-		WREG32(mmSMC_IND_DATA_0, data);
-
-		src += 4;
-		byte_count -= 4;
-		addr += 4;
-	}
-
-	if (0 != byte_count) {
-		/* Now write odd bytes left, do a read modify write cycle */
-		data = 0;
-
-		result = tonga_set_smc_sram_address(adev, addr, limit);
-		if (result)
-			goto out;
-
-		orig_data = RREG32(mmSMC_IND_DATA_0);
-		extra_shift = 8 * (4 - byte_count);
-
-		while (byte_count > 0) {
-			data = (data << 8) + *src++;
-			byte_count--;
-		}
-
-		data <<= extra_shift;
-		data |= (orig_data & ~((~0UL) << extra_shift));
-
-		result = tonga_set_smc_sram_address(adev, addr, limit);
-		if (result)
-			goto out;
-
-		WREG32(mmSMC_IND_DATA_0, data);
-	}
-
-out:
-	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
-	return result;
-}
-
-static int tonga_program_jump_on_start(struct amdgpu_device *adev)
-{
-	static unsigned char data[] = {0xE0, 0x00, 0x80, 0x40};
-	tonga_copy_bytes_to_smc(adev, 0x0, data, 4, sizeof(data)+1);
-
-	return 0;
-}
-
-static bool tonga_is_smc_ram_running(struct amdgpu_device *adev)
-{
-	uint32_t val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-	val = REG_GET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable);
-
-	return ((0 == val) && (0x20100 <= RREG32_SMC(ixSMC_PC_C)));
-}
-
-static int wait_smu_response(struct amdgpu_device *adev)
-{
-	int i;
-	uint32_t val;
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32(mmSMC_RESP_0);
-		if (REG_GET_FIELD(val, SMC_RESP_0, SMC_RESP))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout)
-		return -EINVAL;
-
-	return 0;
-}
-
-static int tonga_send_msg_to_smc_offset(struct amdgpu_device *adev)
-{
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send previous message\n");
-		return -EINVAL;
-	}
-
-	WREG32(mmSMC_MSG_ARG_0, 0x20000);
-	WREG32(mmSMC_MESSAGE_0, PPSMC_MSG_Test);
-
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send message\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int tonga_send_msg_to_smc(struct amdgpu_device *adev, PPSMC_Msg msg)
-{
-	if (!tonga_is_smc_ram_running(adev))
-	{
-		return -EINVAL;
-	}
-
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send previous message\n");
-		return -EINVAL;
-	}
-
-	WREG32(mmSMC_MESSAGE_0, msg);
-
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send message\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int tonga_send_msg_to_smc_without_waiting(struct amdgpu_device *adev,
-						PPSMC_Msg msg)
-{
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send previous message\n");
-		return -EINVAL;
-	}
-
-	WREG32(mmSMC_MESSAGE_0, msg);
-
-	return 0;
-}
-
-static int tonga_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
-						PPSMC_Msg msg,
-						uint32_t parameter)
-{
-	if (!tonga_is_smc_ram_running(adev))
-		return -EINVAL;
-
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send previous message\n");
-		return -EINVAL;
-	}
-
-	WREG32(mmSMC_MSG_ARG_0, parameter);
-
-	return tonga_send_msg_to_smc(adev, msg);
-}
-
-static int tonga_send_msg_to_smc_with_parameter_without_waiting(
-					struct amdgpu_device *adev,
-					PPSMC_Msg msg, uint32_t parameter)
-{
-	if (wait_smu_response(adev)) {
-		DRM_ERROR("Failed to send previous message\n");
-		return -EINVAL;
-	}
-
-	WREG32(mmSMC_MSG_ARG_0, parameter);
-
-	return tonga_send_msg_to_smc_without_waiting(adev, msg);
-}
-
-#if 0 /* not used yet */
-static int tonga_wait_for_smc_inactive(struct amdgpu_device *adev)
-{
-	int i;
-	uint32_t val;
-
-	if (!tonga_is_smc_ram_running(adev))
-		return -EINVAL;
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-		if (REG_GET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, cken) == 0)
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout)
-		return -EINVAL;
-
-	return 0;
-}
-#endif
-
-static int tonga_smu_upload_firmware_image(struct amdgpu_device *adev)
-{
-	const struct smc_firmware_header_v1_0 *hdr;
-	uint32_t ucode_size;
-	uint32_t ucode_start_address;
-	const uint8_t *src;
-	uint32_t val;
-	uint32_t byte_count;
-	uint32_t *data;
-	unsigned long flags;
-
-	if (!adev->pm.fw)
-		return -EINVAL;
-
-	/* Skip SMC ucode loading on SR-IOV capable boards.
-	 * vbios does this for us in asic_init in that case.
-	 */
-	if (amdgpu_sriov_bios(adev))
-		return 0;
-
-	hdr = (const struct smc_firmware_header_v1_0 *)adev->pm.fw->data;
-	amdgpu_ucode_print_smc_hdr(&hdr->header);
-
-	adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version);
-	ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
-	ucode_start_address = le32_to_cpu(hdr->ucode_start_addr);
-	src = (const uint8_t *)
-		(adev->pm.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
-
-	if (ucode_size & 3) {
-		DRM_ERROR("SMC ucode is not 4 bytes aligned\n");
-		return -EINVAL;
-	}
-
-	if (ucode_size > TONGA_SMC_SIZE) {
-		DRM_ERROR("SMC address is beyond the SMC RAM area\n");
-		return -EINVAL;
-	}
-
-	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	WREG32(mmSMC_IND_INDEX_0, ucode_start_address);
-
-	val = RREG32(mmSMC_IND_ACCESS_CNTL);
-	val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 1);
-	WREG32(mmSMC_IND_ACCESS_CNTL, val);
-
-	byte_count = ucode_size;
-	data = (uint32_t *)src;
-	for (; byte_count >= 4; data++, byte_count -= 4)
-		WREG32(mmSMC_IND_DATA_0, data[0]);
-
-	val = RREG32(mmSMC_IND_ACCESS_CNTL);
-	val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
-	WREG32(mmSMC_IND_ACCESS_CNTL, val);
-	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
-
-	return 0;
-}
-
-#if 0 /* not used yet */
-static int tonga_read_smc_sram_dword(struct amdgpu_device *adev,
-				uint32_t smc_address,
-				uint32_t *value,
-				uint32_t limit)
-{
-	int result;
-	unsigned long flags;
-
-	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	result = tonga_set_smc_sram_address(adev, smc_address, limit);
-	if (result == 0)
-		*value = RREG32(mmSMC_IND_DATA_0);
-	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
-	return result;
-}
-
-static int tonga_write_smc_sram_dword(struct amdgpu_device *adev,
-				uint32_t smc_address,
-				uint32_t value,
-				uint32_t limit)
-{
-	int result;
-	unsigned long flags;
-
-	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	result = tonga_set_smc_sram_address(adev, smc_address, limit);
-	if (result == 0)
-		WREG32(mmSMC_IND_DATA_0, value);
-	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
-	return result;
-}
-
-static int tonga_smu_stop_smc(struct amdgpu_device *adev)
-{
-	uint32_t val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
-	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
-	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
-
-	val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-	val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 1);
-	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
-
-	return 0;
-}
-#endif
-
-static enum AMDGPU_UCODE_ID tonga_convert_fw_type(uint32_t fw_type)
-{
-	switch (fw_type) {
-		case UCODE_ID_SDMA0:
-			return AMDGPU_UCODE_ID_SDMA0;
-		case UCODE_ID_SDMA1:
-			return AMDGPU_UCODE_ID_SDMA1;
-		case UCODE_ID_CP_CE:
-			return AMDGPU_UCODE_ID_CP_CE;
-		case UCODE_ID_CP_PFP:
-			return AMDGPU_UCODE_ID_CP_PFP;
-		case UCODE_ID_CP_ME:
-			return AMDGPU_UCODE_ID_CP_ME;
-		case UCODE_ID_CP_MEC:
-		case UCODE_ID_CP_MEC_JT1:
-			return AMDGPU_UCODE_ID_CP_MEC1;
-		case UCODE_ID_CP_MEC_JT2:
-			return AMDGPU_UCODE_ID_CP_MEC2;
-		case UCODE_ID_RLC_G:
-			return AMDGPU_UCODE_ID_RLC_G;
-		default:
-			DRM_ERROR("ucode type is out of range!\n");
-			return AMDGPU_UCODE_ID_MAXIMUM;
-	}
-}
-
-static int tonga_smu_populate_single_firmware_entry(struct amdgpu_device *adev,
-						uint32_t fw_type,
-						struct SMU_Entry *entry)
-{
-	enum AMDGPU_UCODE_ID id = tonga_convert_fw_type(fw_type);
-	struct amdgpu_firmware_info *ucode = &adev->firmware.ucode[id];
-	const struct gfx_firmware_header_v1_0 *header = NULL;
-	uint64_t gpu_addr;
-	uint32_t data_size;
-
-	if (ucode->fw == NULL)
-		return -EINVAL;
-
-	gpu_addr  = ucode->mc_addr;
-	header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
-	data_size = le32_to_cpu(header->header.ucode_size_bytes);
-
-	if ((fw_type == UCODE_ID_CP_MEC_JT1) ||
-		(fw_type == UCODE_ID_CP_MEC_JT2)) {
-		gpu_addr += le32_to_cpu(header->jt_offset) << 2;
-		data_size = le32_to_cpu(header->jt_size) << 2;
-	}
-
-	entry->version = (uint16_t)le32_to_cpu(header->header.ucode_version);
-	entry->id = (uint16_t)fw_type;
-	entry->image_addr_high = upper_32_bits(gpu_addr);
-	entry->image_addr_low = lower_32_bits(gpu_addr);
-	entry->meta_data_addr_high = 0;
-	entry->meta_data_addr_low = 0;
-	entry->data_size_byte = data_size;
-	entry->num_register_entries = 0;
-
-	if (fw_type == UCODE_ID_RLC_G)
-		entry->flags = 1;
-	else
-		entry->flags = 0;
-
-	return 0;
-}
-
-static int tonga_smu_request_load_fw(struct amdgpu_device *adev)
-{
-	struct tonga_smu_private_data *private = (struct tonga_smu_private_data *)adev->smu.priv;
-	struct SMU_DRAMData_TOC *toc;
-	uint32_t fw_to_load;
-
-	WREG32_SMC(ixSOFT_REGISTERS_TABLE_28, 0);
-
-	tonga_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_SMU_DRAM_ADDR_HI, private->smu_buffer_addr_high);
-	tonga_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_SMU_DRAM_ADDR_LO, private->smu_buffer_addr_low);
-
-	toc = (struct SMU_DRAMData_TOC *)private->header;
-	toc->num_entries = 0;
-	toc->structure_version = 1;
-
-	if (!adev->firmware.smu_load)
-		return 0;
-
-	if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_RLC_G,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for RLC\n");
-		return -EINVAL;
-	}
-
-	if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_CE,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for CE\n");
-		return -EINVAL;
-	}
-
-	if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_PFP,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for PFP\n");
-		return -EINVAL;
-	}
-
-	if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_ME,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for ME\n");
-		return -EINVAL;
-	}
-
-	if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for MEC\n");
-		return -EINVAL;
-	}
-
-	if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC_JT1,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for MEC_JT1\n");
-		return -EINVAL;
-	}
-
-	if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC_JT2,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for MEC_JT2\n");
-		return -EINVAL;
-	}
-
-	if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA0,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for SDMA0\n");
-		return -EINVAL;
-	}
-
-	if (tonga_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA1,
-			&toc->entry[toc->num_entries++])) {
-		DRM_ERROR("Failed to get firmware entry for SDMA1\n");
-		return -EINVAL;
-	}
-
-	tonga_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DRV_DRAM_ADDR_HI, private->header_addr_high);
-	tonga_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DRV_DRAM_ADDR_LO, private->header_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;
-
-	if (tonga_send_msg_to_smc_with_parameter_without_waiting(adev, PPSMC_MSG_LoadUcodes, fw_to_load)) {
-		DRM_ERROR("Fail to request SMU load ucode\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static uint32_t tonga_smu_get_mask_for_fw_type(uint32_t fw_type)
-{
-	switch (fw_type) {
-		case AMDGPU_UCODE_ID_SDMA0:
-			return UCODE_ID_SDMA0_MASK;
-		case AMDGPU_UCODE_ID_SDMA1:
-			return UCODE_ID_SDMA1_MASK;
-		case AMDGPU_UCODE_ID_CP_CE:
-			return UCODE_ID_CP_CE_MASK;
-		case AMDGPU_UCODE_ID_CP_PFP:
-			return UCODE_ID_CP_PFP_MASK;
-		case AMDGPU_UCODE_ID_CP_ME:
-			return UCODE_ID_CP_ME_MASK;
-		case AMDGPU_UCODE_ID_CP_MEC1:
-			return UCODE_ID_CP_MEC_MASK;
-		case AMDGPU_UCODE_ID_CP_MEC2:
-			return UCODE_ID_CP_MEC_MASK;
-		case AMDGPU_UCODE_ID_RLC_G:
-			return UCODE_ID_RLC_G_MASK;
-		default:
-			DRM_ERROR("ucode type is out of range!\n");
-			return 0;
-	}
-}
-
-static int tonga_smu_check_fw_load_finish(struct amdgpu_device *adev,
-					uint32_t fw_type)
-{
-	uint32_t fw_mask = tonga_smu_get_mask_for_fw_type(fw_type);
-	int i;
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		if (fw_mask == (RREG32_SMC(ixSOFT_REGISTERS_TABLE_28) & fw_mask))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("check firmware loading failed\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int tonga_smu_start_in_protection_mode(struct amdgpu_device *adev)
-{
-	int result;
-	uint32_t val;
-	int i;
-
-	/* Assert reset */
-	val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
-	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
-	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
-
-	result = tonga_smu_upload_firmware_image(adev);
-	if (result)
-		return result;
-
-	/* Clear status */
-	WREG32_SMC(ixSMU_STATUS, 0);
-
-	/* Enable clock */
-	val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-	val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
-	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
-
-	/* De-assert reset */
-	val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
-	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 0);
-	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
-
-	/* Set SMU Auto Start */
-	val = RREG32_SMC(ixSMU_INPUT_DATA);
-	val = REG_SET_FIELD(val, SMU_INPUT_DATA, AUTO_START, 1);
-	WREG32_SMC(ixSMU_INPUT_DATA, val);
-
-	/* Clear firmware interrupt enable flag */
-	WREG32_SMC(ixFIRMWARE_FLAGS, 0);
-
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixRCU_UC_EVENTS);
-		if (REG_GET_FIELD(val, RCU_UC_EVENTS, INTERRUPTS_ENABLED))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("Interrupt is not enabled by firmware\n");
-		return -EINVAL;
-	}
-
-	/* Call Test SMU message with 0x20000 offset
-	 * to trigger SMU start
-	 */
-	tonga_send_msg_to_smc_offset(adev);
-
-	/* Wait for done bit to be set */
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixSMU_STATUS);
-		if (REG_GET_FIELD(val, SMU_STATUS, SMU_DONE))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("Timeout for SMU start\n");
-		return -EINVAL;
-	}
-
-	/* Check pass/failed indicator */
-	val = RREG32_SMC(ixSMU_STATUS);
-	if (!REG_GET_FIELD(val, SMU_STATUS, SMU_PASS)) {
-		DRM_ERROR("SMU Firmware start failed\n");
-		return -EINVAL;
-	}
-
-	/* Wait for firmware to initialize */
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixFIRMWARE_FLAGS);
-		if(REG_GET_FIELD(val, FIRMWARE_FLAGS, INTERRUPTS_ENABLED))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("SMU firmware initialization failed\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int tonga_smu_start_in_non_protection_mode(struct amdgpu_device *adev)
-{
-	int i, result;
-	uint32_t val;
-
-	/* wait for smc boot up */
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixRCU_UC_EVENTS);
-		val = REG_GET_FIELD(val, RCU_UC_EVENTS, boot_seq_done);
-		if (val)
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("SMC boot sequence is not completed\n");
-		return -EINVAL;
-	}
-
-	/* Clear firmware interrupt enable flag */
-	WREG32_SMC(ixFIRMWARE_FLAGS, 0);
-
-	/* Assert reset */
-	val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
-	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
-	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
-
-	result = tonga_smu_upload_firmware_image(adev);
-	if (result)
-		return result;
-
-	/* Set smc instruct start point at 0x0 */
-	tonga_program_jump_on_start(adev);
-
-	/* Enable clock */
-	val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
-	val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
-	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
-
-	/* De-assert reset */
-	val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
-	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 0);
-	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
-
-	/* Wait for firmware to initialize */
-	for (i = 0; i < adev->usec_timeout; i++) {
-		val = RREG32_SMC(ixFIRMWARE_FLAGS);
-		if (REG_GET_FIELD(val, FIRMWARE_FLAGS, INTERRUPTS_ENABLED))
-			break;
-		udelay(1);
-	}
-
-	if (i == adev->usec_timeout) {
-		DRM_ERROR("Timeout for SMC firmware initialization\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-int tonga_smu_start(struct amdgpu_device *adev)
-{
-	int result;
-	uint32_t val;
-
-	if (!tonga_is_smc_ram_running(adev)) {
-		val = RREG32_SMC(ixSMU_FIRMWARE);
-		if (!REG_GET_FIELD(val, SMU_FIRMWARE, SMU_MODE)) {
-			result = tonga_smu_start_in_non_protection_mode(adev);
-			if (result)
-				return result;
-		} else {
-			result = tonga_smu_start_in_protection_mode(adev);
-			if (result)
-				return result;
-		}
-	}
-
-	return tonga_smu_request_load_fw(adev);
-}
-
-static const struct amdgpu_smumgr_funcs tonga_smumgr_funcs = {
-	.check_fw_load_finish = tonga_smu_check_fw_load_finish,
-	.request_smu_load_fw = NULL,
-	.request_smu_specific_fw = NULL,
-};
-
-int tonga_smu_init(struct amdgpu_device *adev)
-{
-	struct tonga_smu_private_data *private;
-	uint32_t image_size = ((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096;
-	uint32_t smu_internal_buffer_size = 200*4096;
-	struct amdgpu_bo **toc_buf = &adev->smu.toc_buf;
-	struct amdgpu_bo **smu_buf = &adev->smu.smu_buf;
-	uint64_t mc_addr;
-	void *toc_buf_ptr;
-	void *smu_buf_ptr;
-	int ret;
-
-	private = kzalloc(sizeof(struct tonga_smu_private_data), GFP_KERNEL);
-	if (NULL == private)
-		return -ENOMEM;
-
-	/* allocate firmware buffers */
-	if (adev->firmware.smu_load)
-		amdgpu_ucode_init_bo(adev);
-
-	adev->smu.priv = private;
-	adev->smu.fw_flags = 0;
-
-	/* Allocate FW image data structure and header buffer */
-	ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE,
-			       true, AMDGPU_GEM_DOMAIN_VRAM,
-			       AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			       NULL, NULL, toc_buf);
-	if (ret) {
-		DRM_ERROR("Failed to allocate memory for TOC buffer\n");
-		return -ENOMEM;
-	}
-
-	/* Allocate buffer for SMU internal buffer */
-	ret = amdgpu_bo_create(adev, smu_internal_buffer_size, PAGE_SIZE,
-			       true, AMDGPU_GEM_DOMAIN_VRAM,
-			       AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
-			       NULL, NULL, smu_buf);
-	if (ret) {
-		DRM_ERROR("Failed to allocate memory for SMU internal buffer\n");
-		return -ENOMEM;
-	}
-
-	/* Retrieve GPU address for header buffer and internal buffer */
-	ret = amdgpu_bo_reserve(adev->smu.toc_buf, false);
-	if (ret) {
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to reserve the TOC buffer\n");
-		return -EINVAL;
-	}
-
-	ret = amdgpu_bo_pin(adev->smu.toc_buf, AMDGPU_GEM_DOMAIN_VRAM, &mc_addr);
-	if (ret) {
-		amdgpu_bo_unreserve(adev->smu.toc_buf);
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to pin the TOC buffer\n");
-		return -EINVAL;
-	}
-
-	ret = amdgpu_bo_kmap(*toc_buf, &toc_buf_ptr);
-	if (ret) {
-		amdgpu_bo_unreserve(adev->smu.toc_buf);
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to map the TOC buffer\n");
-		return -EINVAL;
-	}
-
-	amdgpu_bo_unreserve(adev->smu.toc_buf);
-	private->header_addr_low = lower_32_bits(mc_addr);
-	private->header_addr_high = upper_32_bits(mc_addr);
-	private->header = toc_buf_ptr;
-
-	ret = amdgpu_bo_reserve(adev->smu.smu_buf, false);
-	if (ret) {
-		amdgpu_bo_unref(&adev->smu.smu_buf);
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to reserve the SMU internal buffer\n");
-		return -EINVAL;
-	}
-
-	ret = amdgpu_bo_pin(adev->smu.smu_buf, AMDGPU_GEM_DOMAIN_VRAM, &mc_addr);
-	if (ret) {
-		amdgpu_bo_unreserve(adev->smu.smu_buf);
-		amdgpu_bo_unref(&adev->smu.smu_buf);
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to pin the SMU internal buffer\n");
-		return -EINVAL;
-	}
-
-	ret = amdgpu_bo_kmap(*smu_buf, &smu_buf_ptr);
-	if (ret) {
-		amdgpu_bo_unreserve(adev->smu.smu_buf);
-		amdgpu_bo_unref(&adev->smu.smu_buf);
-		amdgpu_bo_unref(&adev->smu.toc_buf);
-		DRM_ERROR("Failed to map the SMU internal buffer\n");
-		return -EINVAL;
-	}
-
-	amdgpu_bo_unreserve(adev->smu.smu_buf);
-	private->smu_buffer_addr_low = lower_32_bits(mc_addr);
-	private->smu_buffer_addr_high = upper_32_bits(mc_addr);
-
-	adev->smu.smumgr_funcs = &tonga_smumgr_funcs;
-
-	return 0;
-}
-
-int tonga_smu_fini(struct amdgpu_device *adev)
-{
-	amdgpu_bo_unref(&adev->smu.toc_buf);
-	amdgpu_bo_unref(&adev->smu.smu_buf);
-	kfree(adev->smu.priv);
-	adev->smu.priv = NULL;
-	if (adev->firmware.fw_buf)
-		amdgpu_ucode_fini_bo(adev);
-
-	return 0;
-}

drivers/gpu/drm/amd/amdgpu/tonga_smum.h

···
-/*
- * Copyright 2014 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 TONGA_SMUMGR_H
-#define TONGA_SMUMGR_H
-
-#include "tonga_ppsmc.h"
-
-int tonga_smu_init(struct amdgpu_device *adev);
-int tonga_smu_fini(struct amdgpu_device *adev);
-int tonga_smu_start(struct amdgpu_device *adev);
-
-struct tonga_smu_private_data
-{
-	uint8_t *header;
-	uint32_t smu_buffer_addr_high;
-	uint32_t smu_buffer_addr_low;
-	uint32_t header_addr_high;
-	uint32_t header_addr_low;
-};
-
-#endif

drivers/gpu/drm/amd/amdgpu/vi.c

···
 #endif
 #include "dce_virtual.h"
 
+MODULE_FIRMWARE("amdgpu/topaz_smc.bin");
+MODULE_FIRMWARE("amdgpu/tonga_smc.bin");
+MODULE_FIRMWARE("amdgpu/fiji_smc.bin");
 MODULE_FIRMWARE("amdgpu/polaris10_smc.bin");
 MODULE_FIRMWARE("amdgpu/polaris10_smc_sk.bin");
 MODULE_FIRMWARE("amdgpu/polaris11_smc.bin");