1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c
new file mode 100644
index 000000000000..e1f013d39768
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2012 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.
+ *
+ * Authors: Ben Skeggs
+ */
+
+#include <core/object.h>
+#include <core/class.h>
+
+#include <subdev/fb.h>
+#include <engine/dmaobj.h>
+
+int
+nouveau_dmaobj_create_(struct nouveau_object *parent,
+		       struct nouveau_object *engine,
+		       struct nouveau_oclass *oclass,
+		       void *data, u32 size, int len, void **pobject)
+{
+	struct nv_dma_class *args = data;
+	struct nouveau_dmaobj *object;
+	int ret;
+
+	if (size < sizeof(*args))
+		return -EINVAL;
+
+	ret = nouveau_object_create_(parent, engine, oclass, 0, len, pobject);
+	object = *pobject;
+	if (ret)
+		return ret;
+
+	switch (args->flags & NV_DMA_TARGET_MASK) {
+	case NV_DMA_TARGET_VM:
+		object->target = NV_MEM_TARGET_VM;
+		break;
+	case NV_DMA_TARGET_VRAM:
+		object->target = NV_MEM_TARGET_VRAM;
+		break;
+	case NV_DMA_TARGET_PCI:
+		object->target = NV_MEM_TARGET_PCI;
+		break;
+	case NV_DMA_TARGET_PCI_US:
+	case NV_DMA_TARGET_AGP:
+		object->target = NV_MEM_TARGET_PCI_NOSNOOP;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (args->flags & NV_DMA_ACCESS_MASK) {
+	case NV_DMA_ACCESS_VM:
+		object->access = NV_MEM_ACCESS_VM;
+		break;
+	case NV_DMA_ACCESS_RD:
+		object->access = NV_MEM_ACCESS_RO;
+		break;
+	case NV_DMA_ACCESS_WR:
+		object->access = NV_MEM_ACCESS_WO;
+		break;
+	case NV_DMA_ACCESS_RDWR:
+		object->access = NV_MEM_ACCESS_RW;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	object->start = args->start;
+	object->limit = args->limit;
+	return 0;
+}