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path: root/drivers/gpu/drm/nouveau/core/core/gpuobj.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/core/gpuobj.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/core/gpuobj.c323
1 files changed, 0 insertions, 323 deletions
diff --git a/drivers/gpu/drm/nouveau/core/core/gpuobj.c b/drivers/gpu/drm/nouveau/core/core/gpuobj.c
deleted file mode 100644
index daee87702502..000000000000
--- a/drivers/gpu/drm/nouveau/core/core/gpuobj.c
+++ /dev/null
@@ -1,323 +0,0 @@
-/*
- * 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/gpuobj.h>
-
-#include <subdev/instmem.h>
-#include <subdev/bar.h>
-#include <subdev/vm.h>
-
-void
-nouveau_gpuobj_destroy(struct nouveau_gpuobj *gpuobj)
-{
- int i;
-
- if (gpuobj->flags & NVOBJ_FLAG_ZERO_FREE) {
- for (i = 0; i < gpuobj->size; i += 4)
- nv_wo32(gpuobj, i, 0x00000000);
- }
-
- if (gpuobj->node) {
- nouveau_mm_free(&nv_gpuobj(gpuobj->parent)->heap,
- &gpuobj->node);
- }
-
- if (gpuobj->heap.block_size)
- nouveau_mm_fini(&gpuobj->heap);
-
- nouveau_object_destroy(&gpuobj->base);
-}
-
-int
-nouveau_gpuobj_create_(struct nouveau_object *parent,
- struct nouveau_object *engine,
- struct nouveau_oclass *oclass, u32 pclass,
- struct nouveau_object *pargpu,
- u32 size, u32 align, u32 flags,
- int length, void **pobject)
-{
- struct nouveau_instmem *imem = nouveau_instmem(parent);
- struct nouveau_bar *bar = nouveau_bar(parent);
- struct nouveau_gpuobj *gpuobj;
- struct nouveau_mm *heap = NULL;
- int ret, i;
- u64 addr;
-
- *pobject = NULL;
-
- if (pargpu) {
- while ((pargpu = nv_pclass(pargpu, NV_GPUOBJ_CLASS))) {
- if (nv_gpuobj(pargpu)->heap.block_size)
- break;
- pargpu = pargpu->parent;
- }
-
- if (unlikely(pargpu == NULL)) {
- nv_error(parent, "no gpuobj heap\n");
- return -EINVAL;
- }
-
- addr = nv_gpuobj(pargpu)->addr;
- heap = &nv_gpuobj(pargpu)->heap;
- atomic_inc(&parent->refcount);
- } else {
- ret = imem->alloc(imem, parent, size, align, &parent);
- pargpu = parent;
- if (ret)
- return ret;
-
- addr = nv_memobj(pargpu)->addr;
- size = nv_memobj(pargpu)->size;
-
- if (bar && bar->alloc) {
- struct nouveau_instobj *iobj = (void *)parent;
- struct nouveau_mem **mem = (void *)(iobj + 1);
- struct nouveau_mem *node = *mem;
- if (!bar->alloc(bar, parent, node, &pargpu)) {
- nouveau_object_ref(NULL, &parent);
- parent = pargpu;
- }
- }
- }
-
- ret = nouveau_object_create_(parent, engine, oclass, pclass |
- NV_GPUOBJ_CLASS, length, pobject);
- nouveau_object_ref(NULL, &parent);
- gpuobj = *pobject;
- if (ret)
- return ret;
-
- gpuobj->parent = pargpu;
- gpuobj->flags = flags;
- gpuobj->addr = addr;
- gpuobj->size = size;
-
- if (heap) {
- ret = nouveau_mm_head(heap, 0, 1, size, size,
- max(align, (u32)1), &gpuobj->node);
- if (ret)
- return ret;
-
- gpuobj->addr += gpuobj->node->offset;
- }
-
- if (gpuobj->flags & NVOBJ_FLAG_HEAP) {
- ret = nouveau_mm_init(&gpuobj->heap, 0, gpuobj->size, 1);
- if (ret)
- return ret;
- }
-
- if (flags & NVOBJ_FLAG_ZERO_ALLOC) {
- for (i = 0; i < gpuobj->size; i += 4)
- nv_wo32(gpuobj, i, 0x00000000);
- }
-
- return ret;
-}
-
-struct nouveau_gpuobj_class {
- struct nouveau_object *pargpu;
- u64 size;
- u32 align;
- u32 flags;
-};
-
-static int
-_nouveau_gpuobj_ctor(struct nouveau_object *parent,
- struct nouveau_object *engine,
- struct nouveau_oclass *oclass, void *data, u32 size,
- struct nouveau_object **pobject)
-{
- struct nouveau_gpuobj_class *args = data;
- struct nouveau_gpuobj *object;
- int ret;
-
- ret = nouveau_gpuobj_create(parent, engine, oclass, 0, args->pargpu,
- args->size, args->align, args->flags,
- &object);
- *pobject = nv_object(object);
- if (ret)
- return ret;
-
- return 0;
-}
-
-void
-_nouveau_gpuobj_dtor(struct nouveau_object *object)
-{
- nouveau_gpuobj_destroy(nv_gpuobj(object));
-}
-
-int
-_nouveau_gpuobj_init(struct nouveau_object *object)
-{
- return nouveau_gpuobj_init(nv_gpuobj(object));
-}
-
-int
-_nouveau_gpuobj_fini(struct nouveau_object *object, bool suspend)
-{
- return nouveau_gpuobj_fini(nv_gpuobj(object), suspend);
-}
-
-u32
-_nouveau_gpuobj_rd32(struct nouveau_object *object, u64 addr)
-{
- struct nouveau_gpuobj *gpuobj = nv_gpuobj(object);
- struct nouveau_ofuncs *pfuncs = nv_ofuncs(gpuobj->parent);
- if (gpuobj->node)
- addr += gpuobj->node->offset;
- return pfuncs->rd32(gpuobj->parent, addr);
-}
-
-void
-_nouveau_gpuobj_wr32(struct nouveau_object *object, u64 addr, u32 data)
-{
- struct nouveau_gpuobj *gpuobj = nv_gpuobj(object);
- struct nouveau_ofuncs *pfuncs = nv_ofuncs(gpuobj->parent);
- if (gpuobj->node)
- addr += gpuobj->node->offset;
- pfuncs->wr32(gpuobj->parent, addr, data);
-}
-
-static struct nouveau_oclass
-_nouveau_gpuobj_oclass = {
- .handle = 0x00000000,
- .ofuncs = &(struct nouveau_ofuncs) {
- .ctor = _nouveau_gpuobj_ctor,
- .dtor = _nouveau_gpuobj_dtor,
- .init = _nouveau_gpuobj_init,
- .fini = _nouveau_gpuobj_fini,
- .rd32 = _nouveau_gpuobj_rd32,
- .wr32 = _nouveau_gpuobj_wr32,
- },
-};
-
-int
-nouveau_gpuobj_new(struct nouveau_object *parent, struct nouveau_object *pargpu,
- u32 size, u32 align, u32 flags,
- struct nouveau_gpuobj **pgpuobj)
-{
- struct nouveau_object *engine = parent;
- struct nouveau_gpuobj_class args = {
- .pargpu = pargpu,
- .size = size,
- .align = align,
- .flags = flags,
- };
-
- if (!nv_iclass(engine, NV_SUBDEV_CLASS))
- engine = engine->engine;
- BUG_ON(engine == NULL);
-
- return nouveau_object_ctor(parent, engine, &_nouveau_gpuobj_oclass,
- &args, sizeof(args),
- (struct nouveau_object **)pgpuobj);
-}
-
-int
-nouveau_gpuobj_map(struct nouveau_gpuobj *gpuobj, u32 access,
- struct nouveau_vma *vma)
-{
- struct nouveau_bar *bar = nouveau_bar(gpuobj);
- int ret = -EINVAL;
-
- if (bar && bar->umap) {
- struct nouveau_instobj *iobj = (void *)
- nv_pclass(nv_object(gpuobj), NV_MEMOBJ_CLASS);
- struct nouveau_mem **mem = (void *)(iobj + 1);
- ret = bar->umap(bar, *mem, access, vma);
- }
-
- return ret;
-}
-
-int
-nouveau_gpuobj_map_vm(struct nouveau_gpuobj *gpuobj, struct nouveau_vm *vm,
- u32 access, struct nouveau_vma *vma)
-{
- struct nouveau_instobj *iobj = (void *)
- nv_pclass(nv_object(gpuobj), NV_MEMOBJ_CLASS);
- struct nouveau_mem **mem = (void *)(iobj + 1);
- int ret;
-
- ret = nouveau_vm_get(vm, gpuobj->size, 12, access, vma);
- if (ret)
- return ret;
-
- nouveau_vm_map(vma, *mem);
- return 0;
-}
-
-void
-nouveau_gpuobj_unmap(struct nouveau_vma *vma)
-{
- if (vma->node) {
- nouveau_vm_unmap(vma);
- nouveau_vm_put(vma);
- }
-}
-
-/* the below is basically only here to support sharing the paged dma object
- * for PCI(E)GART on <=nv4x chipsets, and should *not* be expected to work
- * anywhere else.
- */
-
-static void
-nouveau_gpudup_dtor(struct nouveau_object *object)
-{
- struct nouveau_gpuobj *gpuobj = (void *)object;
- nouveau_object_ref(NULL, &gpuobj->parent);
- nouveau_object_destroy(&gpuobj->base);
-}
-
-static struct nouveau_oclass
-nouveau_gpudup_oclass = {
- .handle = NV_GPUOBJ_CLASS,
- .ofuncs = &(struct nouveau_ofuncs) {
- .dtor = nouveau_gpudup_dtor,
- .init = nouveau_object_init,
- .fini = nouveau_object_fini,
- },
-};
-
-int
-nouveau_gpuobj_dup(struct nouveau_object *parent, struct nouveau_gpuobj *base,
- struct nouveau_gpuobj **pgpuobj)
-{
- struct nouveau_gpuobj *gpuobj;
- int ret;
-
- ret = nouveau_object_create(parent, parent->engine,
- &nouveau_gpudup_oclass, 0, &gpuobj);
- *pgpuobj = gpuobj;
- if (ret)
- return ret;
-
- nouveau_object_ref(nv_object(base), &gpuobj->parent);
- gpuobj->addr = base->addr;
- gpuobj->size = base->size;
- return 0;
-}