drm/nouveau: restructure source tree, split core from drm implementation
Future work will be headed in the way of separating the policy supplied by
the nouveau drm module from the mechanisms provided by the driver core.
There will be a couple of major classes (subdev, engine) of driver modules
that have clearly defined tasks, and the further directory structure change
is to reflect this.
No code changes here whatsoever, aside from fixing up a couple of include
file pathnames.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/vm.h b/drivers/gpu/drm/nouveau/core/include/subdev/vm.h
new file mode 100644
index 0000000..7c1fc21
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/vm.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2010 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
+ */
+
+#ifndef __NOUVEAU_VM_H__
+#define __NOUVEAU_VM_H__
+
+#include "drmP.h"
+
+#include "nouveau_drv.h"
+#include <core/mm.h>
+
+struct nouveau_vm_pgt {
+ struct nouveau_gpuobj *obj[2];
+ u32 refcount[2];
+};
+
+struct nouveau_vm_pgd {
+ struct list_head head;
+ struct nouveau_gpuobj *obj;
+};
+
+struct nouveau_vma {
+ struct list_head head;
+ int refcount;
+ struct nouveau_vm *vm;
+ struct nouveau_mm_node *node;
+ u64 offset;
+ u32 access;
+};
+
+struct nouveau_vm {
+ struct drm_device *dev;
+ struct nouveau_mm mm;
+ int refcount;
+
+ struct list_head pgd_list;
+ atomic_t engref[16];
+
+ struct nouveau_vm_pgt *pgt;
+ u32 fpde;
+ u32 lpde;
+
+ u32 pgt_bits;
+ u8 spg_shift;
+ u8 lpg_shift;
+
+ void (*map_pgt)(struct nouveau_gpuobj *pgd, u32 pde,
+ struct nouveau_gpuobj *pgt[2]);
+ void (*map)(struct nouveau_vma *, struct nouveau_gpuobj *,
+ struct nouveau_mem *, u32 pte, u32 cnt,
+ u64 phys, u64 delta);
+ void (*map_sg)(struct nouveau_vma *, struct nouveau_gpuobj *,
+ struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
+
+ void (*map_sg_table)(struct nouveau_vma *, struct nouveau_gpuobj *,
+ struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
+ void (*unmap)(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt);
+ void (*flush)(struct nouveau_vm *);
+};
+
+/* nouveau_vm.c */
+int nouveau_vm_new(struct drm_device *, u64 offset, u64 length, u64 mm_offset,
+ struct nouveau_vm **);
+int nouveau_vm_ref(struct nouveau_vm *, struct nouveau_vm **,
+ struct nouveau_gpuobj *pgd);
+int nouveau_vm_get(struct nouveau_vm *, u64 size, u32 page_shift,
+ u32 access, struct nouveau_vma *);
+void nouveau_vm_put(struct nouveau_vma *);
+void nouveau_vm_map(struct nouveau_vma *, struct nouveau_mem *);
+void nouveau_vm_map_at(struct nouveau_vma *, u64 offset, struct nouveau_mem *);
+void nouveau_vm_unmap(struct nouveau_vma *);
+void nouveau_vm_unmap_at(struct nouveau_vma *, u64 offset, u64 length);
+void nouveau_vm_map_sg(struct nouveau_vma *, u64 offset, u64 length,
+ struct nouveau_mem *);
+void nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
+ struct nouveau_mem *mem);
+/* nv50_vm.c */
+void nv50_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde,
+ struct nouveau_gpuobj *pgt[2]);
+void nv50_vm_map(struct nouveau_vma *, struct nouveau_gpuobj *,
+ struct nouveau_mem *, u32 pte, u32 cnt, u64 phys, u64 delta);
+void nv50_vm_map_sg(struct nouveau_vma *, struct nouveau_gpuobj *,
+ struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
+void nv50_vm_unmap(struct nouveau_gpuobj *, u32 pte, u32 cnt);
+void nv50_vm_flush(struct nouveau_vm *);
+void nv50_vm_flush_engine(struct drm_device *, int engine);
+
+/* nvc0_vm.c */
+void nvc0_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde,
+ struct nouveau_gpuobj *pgt[2]);
+void nvc0_vm_map(struct nouveau_vma *, struct nouveau_gpuobj *,
+ struct nouveau_mem *, u32 pte, u32 cnt, u64 phys, u64 delta);
+void nvc0_vm_map_sg(struct nouveau_vma *, struct nouveau_gpuobj *,
+ struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
+void nvc0_vm_unmap(struct nouveau_gpuobj *, u32 pte, u32 cnt);
+void nvc0_vm_flush(struct nouveau_vm *);
+
+#endif