diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/core/gpuobj.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/core/gpuobj.c | 323 |
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; -} |