1 files changed, 253 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
new file mode 100644
index 000000000000..07d1830126ab
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/lsfw.c
@@ -0,0 +1,253 @@
+/*
+ * Copyright 2019 Red Hat 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 "priv.h"
+#include <core/falcon.h>
+#include <core/firmware.h>
+#include <nvfw/fw.h>
+#include <nvfw/ls.h>
+
+void
+nvkm_acr_lsfw_del(struct nvkm_acr_lsfw *lsfw)
+{
+	nvkm_blob_dtor(&lsfw->img);
+	nvkm_firmware_put(lsfw->sig);
+	list_del(&lsfw->head);
+	kfree(lsfw);
+}
+
+void
+nvkm_acr_lsfw_del_all(struct nvkm_acr *acr)
+{
+	struct nvkm_acr_lsfw *lsfw, *lsft;
+	list_for_each_entry_safe(lsfw, lsft, &acr->lsfw, head) {
+		nvkm_acr_lsfw_del(lsfw);
+	}
+}
+
+static struct nvkm_acr_lsfw *
+nvkm_acr_lsfw_get(struct nvkm_acr *acr, enum nvkm_acr_lsf_id id)
+{
+	struct nvkm_acr_lsfw *lsfw;
+	list_for_each_entry(lsfw, &acr->lsfw, head) {
+		if (lsfw->id == id)
+			return lsfw;
+	}
+	return NULL;
+}
+
+struct nvkm_acr_lsfw *
+nvkm_acr_lsfw_add(const struct nvkm_acr_lsf_func *func, struct nvkm_acr *acr,
+		 struct nvkm_falcon *falcon, enum nvkm_acr_lsf_id id)
+{
+	struct nvkm_acr_lsfw *lsfw;
+
+	if (!acr)
+		return ERR_PTR(-ENOSYS);
+
+	lsfw = nvkm_acr_lsfw_get(acr, id);
+	if (lsfw && lsfw->func) {
+		nvkm_error(&acr->subdev, "LSFW %d redefined\n", id);
+		return ERR_PTR(-EEXIST);
+	}
+
+	if (!lsfw) {
+		if (!(lsfw = kzalloc(sizeof(*lsfw), GFP_KERNEL)))
+			return ERR_PTR(-ENOMEM);
+
+		lsfw->id = id;
+		list_add_tail(&lsfw->head, &acr->lsfw);
+	}
+
+	lsfw->func = func;
+	lsfw->falcon = falcon;
+	return lsfw;
+}
+
+static struct nvkm_acr_lsfw *
+nvkm_acr_lsfw_load_sig_image_desc_(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 struct firmware **pdesc)
+{
+	struct nvkm_acr *acr = subdev->device->acr;
+	struct nvkm_acr_lsfw *lsfw;
+	int ret;
+
+	if (IS_ERR((lsfw = nvkm_acr_lsfw_add(func, acr, falcon, id))))
+		return lsfw;
+
+	ret = nvkm_firmware_load_name(subdev, path, "sig", ver, &lsfw->sig);
+	if (ret)
+		goto done;
+
+	ret = nvkm_firmware_load_blob(subdev, path, "image", ver, &lsfw->img);
+	if (ret)
+		goto done;
+
+	ret = nvkm_firmware_load_name(subdev, path, "desc", ver, pdesc);
+done:
+	if (ret) {
+		nvkm_acr_lsfw_del(lsfw);
+		return ERR_PTR(ret);
+	}
+
+	return lsfw;
+}
+
+static void
+nvkm_acr_lsfw_from_desc(const struct nvfw_ls_desc_head *desc,
+			struct nvkm_acr_lsfw *lsfw)
+{
+	lsfw->bootloader_size = ALIGN(desc->bootloader_size, 256);
+	lsfw->bootloader_imem_offset = desc->bootloader_imem_offset;
+
+	lsfw->app_size = ALIGN(desc->app_size, 256);
+	lsfw->app_start_offset = desc->app_start_offset;
+	lsfw->app_imem_entry = desc->app_imem_entry;
+	lsfw->app_resident_code_offset = desc->app_resident_code_offset;
+	lsfw->app_resident_code_size = desc->app_resident_code_size;
+	lsfw->app_resident_data_offset = desc->app_resident_data_offset;
+	lsfw->app_resident_data_size = desc->app_resident_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;
+}
+
+int
+nvkm_acr_lsfw_load_sig_image_desc(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 struct firmware *fw;
+	struct nvkm_acr_lsfw *lsfw;
+
+	lsfw = nvkm_acr_lsfw_load_sig_image_desc_(subdev, falcon, id, path, ver,
+						  func, &fw);
+	if (IS_ERR(lsfw))
+		return PTR_ERR(lsfw);
+
+	nvkm_acr_lsfw_from_desc(&nvfw_ls_desc(subdev, fw->data)->head, lsfw);
+	nvkm_firmware_put(fw);
+	return 0;
+}
+
+int
+nvkm_acr_lsfw_load_sig_image_desc_v1(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 struct firmware *fw;
+	struct nvkm_acr_lsfw *lsfw;
+
+	lsfw = nvkm_acr_lsfw_load_sig_image_desc_(subdev, falcon, id, path, ver,
+						  func, &fw);
+	if (IS_ERR(lsfw))
+		return PTR_ERR(lsfw);
+
+	nvkm_acr_lsfw_from_desc(&nvfw_ls_desc_v1(subdev, fw->data)->head, lsfw);
+	nvkm_firmware_put(fw);
+	return 0;
+}
+
+int
+nvkm_acr_lsfw_load_bl_inst_data_sig(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)
+{
+	struct nvkm_acr *acr = subdev->device->acr;
+	struct nvkm_acr_lsfw *lsfw;
+	const struct firmware *bl = NULL, *inst = NULL, *data = NULL;
+	const struct nvfw_bin_hdr *hdr;
+	const struct nvfw_bl_desc *desc;
+	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 = nvfw_bin_hdr(subdev, bl->data);
+	desc = nvfw_bl_desc(subdev, bl->data + hdr->header_offset);
+	bldata = (void *)(bl->data + hdr->data_offset);
+
+	ret = nvkm_firmware_load_name(subdev, path, "inst", ver, &inst);
+	if (ret)
+		goto done;
+
+	ret = nvkm_firmware_load_name(subdev, path, "data", ver, &data);
+	if (ret)
+		goto done;
+
+	ret = nvkm_firmware_load_name(subdev, path, "sig", ver, &lsfw->sig);
+	if (ret)
+		goto done;
+
+	lsfw->bootloader_size = ALIGN(desc->code_size, 256);
+	lsfw->bootloader_imem_offset = desc->start_tag << 8;
+
+	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_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(data);
+	nvkm_firmware_put(inst);
+	nvkm_firmware_put(bl);
+	return ret;
+}