drm/amdgpu: support SDMA v3 struct fw front door load

Add support for new SDMA firmware struct (V3) with PSP
front door load type.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -2464,6 +2464,7 @@ static int psp_get_fw_type(struct amdgpu_firmware_info *ucode,
 		*type = GFX_FW_TYPE_DMUB;
 		break;
 	case AMDGPU_UCODE_ID_SDMA_UCODE_TH0:
+	case AMDGPU_UCODE_ID_SDMA_RS64:
 		*type = GFX_FW_TYPE_SDMA_UCODE_TH0;
 		break;
 	case AMDGPU_UCODE_ID_SDMA_UCODE_TH1:

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

@@ -212,6 +212,7 @@ int amdgpu_sdma_init_microcode(struct amdgpu_device *adev,
 	const struct common_firmware_header *header = NULL;
 	int err, i;
 	const struct sdma_firmware_header_v2_0 *sdma_hdr;
+	const struct sdma_firmware_header_v3_0 *sdma_hv3;
 	uint16_t version_major;
 	char ucode_prefix[30];
 	char fw_name[52];
@@ -287,6 +288,15 @@ int amdgpu_sdma_init_microcode(struct amdgpu_device *adev,
 			adev->firmware.fw_size +=
 				ALIGN(le32_to_cpu(sdma_hdr->ctl_ucode_size_bytes), PAGE_SIZE);
 			break;
+		case 3:
+			sdma_hv3 = (const struct sdma_firmware_header_v3_0 *)
+				adev->sdma.instance[0].fw->data;
+			info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA_RS64];
+			info->ucode_id = AMDGPU_UCODE_ID_SDMA_RS64;
+			info->fw = adev->sdma.instance[0].fw;
+			adev->firmware.fw_size +=
+				ALIGN(le32_to_cpu(sdma_hv3->ucode_size_bytes), PAGE_SIZE);
+			break;
 		default:
 			err = -EINVAL;
 		}

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

@@ -797,6 +797,7 @@ static int amdgpu_ucode_init_single_fw(struct amdgpu_device *adev,
 	const struct dmcub_firmware_header_v1_0 *dmcub_hdr = NULL;
 	const struct mes_firmware_header_v1_0 *mes_hdr = NULL;
 	const struct sdma_firmware_header_v2_0 *sdma_hdr = NULL;
+	const struct sdma_firmware_header_v3_0 *sdmav3_hdr = NULL;
 	const struct imu_firmware_header_v1_0 *imu_hdr = NULL;
 	const struct vpe_firmware_header_v1_0 *vpe_hdr = NULL;
 	const struct umsch_mm_firmware_header_v1_0 *umsch_mm_hdr = NULL;
@@ -818,6 +819,7 @@ static int amdgpu_ucode_init_single_fw(struct amdgpu_device *adev,
 	dmcub_hdr = (const struct dmcub_firmware_header_v1_0 *)ucode->fw->data;
 	mes_hdr = (const struct mes_firmware_header_v1_0 *)ucode->fw->data;
 	sdma_hdr = (const struct sdma_firmware_header_v2_0 *)ucode->fw->data;
+	sdmav3_hdr = (const struct sdma_firmware_header_v3_0 *)ucode->fw->data;
 	imu_hdr = (const struct imu_firmware_header_v1_0 *)ucode->fw->data;
 	vpe_hdr = (const struct vpe_firmware_header_v1_0 *)ucode->fw->data;
 	umsch_mm_hdr = (const struct umsch_mm_firmware_header_v1_0 *)ucode->fw->data;
@@ -834,6 +836,11 @@ static int amdgpu_ucode_init_single_fw(struct amdgpu_device *adev,
 			ucode_addr = (u8 *)ucode->fw->data +
 				le32_to_cpu(sdma_hdr->ctl_ucode_offset);
 			break;
+		case AMDGPU_UCODE_ID_SDMA_RS64:
+			ucode->ucode_size = le32_to_cpu(sdmav3_hdr->ucode_size_bytes);
+			ucode_addr = (u8 *)ucode->fw->data +
+				le32_to_cpu(sdmav3_hdr->header.ucode_array_offset_bytes);
+			break;
 		case AMDGPU_UCODE_ID_CP_MEC1:
 		case AMDGPU_UCODE_ID_CP_MEC2:
 			ucode->ucode_size = le32_to_cpu(header->ucode_size_bytes) -

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

@@ -464,6 +464,7 @@ enum AMDGPU_UCODE_ID {
 	AMDGPU_UCODE_ID_SDMA7,
 	AMDGPU_UCODE_ID_SDMA_UCODE_TH0,
 	AMDGPU_UCODE_ID_SDMA_UCODE_TH1,
+	AMDGPU_UCODE_ID_SDMA_RS64,
 	AMDGPU_UCODE_ID_CP_CE,
 	AMDGPU_UCODE_ID_CP_PFP,
 	AMDGPU_UCODE_ID_CP_ME,