path: root/drivers/gpu/drm/amd/powerplay/smu_v11_0.c

/*
 * Copyright 2019 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 "pp_debug.h"
#include <linux/firmware.h>
#include "amdgpu.h"
#include "amdgpu_smu.h"
#include "smu_v11_0.h"
#include "smu_v11_0_ppsmc.h"

MODULE_FIRMWARE("amdgpu/vega20_smc.bin");

static int smu_v11_0_init_microcode(struct smu_context *smu)
{
	struct amdgpu_device *adev = smu->adev;
	const char *chip_name;
	char fw_name[30];
	int err = 0;
	const struct smc_firmware_header_v1_0 *hdr;
	const struct common_firmware_header *header;
	struct amdgpu_firmware_info *ucode = NULL;

	switch (adev->asic_type) {
	case CHIP_VEGA20:
		chip_name = "vega20";
		break;
	default:
		BUG();
	}

	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_smc.bin", chip_name);

	err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
	if (err)
		goto out;
	err = amdgpu_ucode_validate(adev->pm.fw);
	if (err)
		goto out;

	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);

	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
		ucode = &adev->firmware.ucode[AMDGPU_UCODE_ID_SMC];
		ucode->ucode_id = AMDGPU_UCODE_ID_SMC;
		ucode->fw = adev->pm.fw;
		header = (const struct common_firmware_header *)ucode->fw->data;
		adev->firmware.fw_size +=
			ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
	}

out:
	if (err) {
		DRM_ERROR("smu_v11_0: Failed to load firmware \"%s\"\n",
			  fw_name);
		release_firmware(adev->pm.fw);
		adev->pm.fw = NULL;
	}
	return err;
}

static int smu_v11_0_load_microcode(struct smu_context *smu)
{
	return 0;
}

static int smu_v11_0_check_fw_status(struct smu_context *smu)
{
	return 0;
}

static const struct smu_funcs smu_v11_0_funcs = {
	.init_microcode = smu_v11_0_init_microcode,
	.load_microcode = smu_v11_0_load_microcode,
	.check_fw_status = smu_v11_0_check_fw_status,
};

void smu_v11_0_set_smu_funcs(struct smu_context *smu)
{
	smu->funcs = &smu_v11_0_funcs;
}