1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/lsfw.c b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/lsfw.c
index 69a059c648c6..f36a359d4531 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/lsfw.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/lsfw.c
@@ -321,3 +321,78 @@ done:
 	nvkm_firmware_put(bl);
 	return ret;
 }
+
+int
+nvkm_acr_lsfw_load_bl_sig_net(struct nvkm_subdev *subdev,
+			      struct nvkm_falcon *falcon,
+			      enum nvkm_acr_lsf_id id,
+			      const char *path, int ver,
+			      const struct nvkm_acr_lsf_func *func,
+			      const void *inst_data, u32 inst_size,
+			      const void *data_data, u32 data_size)
+{
+	struct nvkm_acr *acr = subdev->device->acr;
+	struct nvkm_acr_lsfw *lsfw;
+	const struct firmware _inst = { .data = inst_data, .size = inst_size };
+	const struct firmware _data = { .data = data_data, .size = data_size };
+	const struct firmware *bl = NULL, *inst = &_inst, *data = &_data;
+	const struct {
+	    int bin_magic;
+	    int bin_version;
+	    int bin_size;
+	    int header_offset;
+	    int header_size;
+	} *hdr;
+	u32 *bldata;
+	int ret;
+
+	if (IS_ERR((lsfw = nvkm_acr_lsfw_add(func, acr, falcon, id))))
+		return PTR_ERR(lsfw);
+
+	ret = nvkm_firmware_load_name(subdev, path, "bl", ver, &bl);
+	if (ret)
+		goto done;
+
+	hdr = (const void *)bl->data;
+	bldata = (void *)(bl->data + hdr->header_offset);
+
+	ret = nvkm_firmware_load_name(subdev, path, "sig", ver, &lsfw->sig);
+	if (ret)
+		goto done;
+
+	lsfw->bootloader_size = ALIGN(hdr->header_size, 256);
+	lsfw->bootloader_imem_offset = func->bl_entry;
+
+	lsfw->app_start_offset = lsfw->bootloader_size;
+	lsfw->app_imem_entry = 0;
+	lsfw->app_resident_code_offset = 0;
+	lsfw->app_resident_code_size = ALIGN(inst->size, 256);
+	lsfw->app_resident_data_offset = lsfw->app_resident_code_size;
+	lsfw->app_resident_data_size = ALIGN(data->size, 256);
+	lsfw->app_imem_offset = 0;
+	lsfw->app_dmem_offset = 0;
+	lsfw->app_size = lsfw->app_resident_code_size + lsfw->app_resident_data_size;
+
+	lsfw->img.size = lsfw->bootloader_size + lsfw->app_size;
+	if (!(lsfw->img.data = kzalloc(lsfw->img.size, GFP_KERNEL))) {
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	memcpy(lsfw->img.data, bldata, lsfw->bootloader_size);
+	memcpy(lsfw->img.data + lsfw->app_start_offset +
+	       lsfw->app_resident_code_offset, inst->data, inst->size);
+	memcpy(lsfw->img.data + lsfw->app_start_offset +
+	       lsfw->app_resident_data_offset, data->data, data->size);
+
+	lsfw->ucode_size = ALIGN(lsfw->app_resident_data_offset, 256) +
+			   lsfw->bootloader_size;
+	lsfw->data_size = lsfw->app_size + lsfw->bootloader_size -
+			  lsfw->ucode_size;
+
+done:
+	if (ret)
+		nvkm_acr_lsfw_del(lsfw);
+	nvkm_firmware_put(bl);
+	return ret;
+}