diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core/parent.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/parent.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/parent.c b/drivers/gpu/drm/nouveau/nvkm/core/parent.c deleted file mode 100644 index dd56cd1ee..000000000 --- a/drivers/gpu/drm/nouveau/nvkm/core/parent.c +++ /dev/null @@ -1,159 +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/parent.h> -#include <core/client.h> -#include <core/engine.h> - -int -nvkm_parent_sclass(struct nvkm_object *parent, u16 handle, - struct nvkm_object **pengine, - struct nvkm_oclass **poclass) -{ - struct nvkm_sclass *sclass; - struct nvkm_engine *engine; - struct nvkm_oclass *oclass; - u64 mask; - - sclass = nv_parent(parent)->sclass; - while (sclass) { - if ((sclass->oclass->handle & 0xffff) == handle) { - *pengine = &parent->engine->subdev.object; - *poclass = sclass->oclass; - return 0; - } - - sclass = sclass->sclass; - } - - mask = nv_parent(parent)->engine; - while (mask) { - int i = __ffs64(mask); - - if (nv_iclass(parent, NV_CLIENT_CLASS)) - engine = nv_engine(nv_client(parent)->device); - else - engine = nvkm_engine(parent, i); - - if (engine) { - oclass = engine->sclass; - while (oclass->ofuncs) { - if ((oclass->handle & 0xffff) == handle) { - *pengine = nv_object(engine); - *poclass = oclass; - return 0; - } - oclass++; - } - } - - mask &= ~(1ULL << i); - } - - return -EINVAL; -} - -int -nvkm_parent_lclass(struct nvkm_object *parent, u32 *lclass, int size) -{ - struct nvkm_sclass *sclass; - struct nvkm_engine *engine; - struct nvkm_oclass *oclass; - int nr = -1, i; - u64 mask; - - sclass = nv_parent(parent)->sclass; - while (sclass) { - if (++nr < size) - lclass[nr] = sclass->oclass->handle & 0xffff; - sclass = sclass->sclass; - } - - mask = nv_parent(parent)->engine; - while (i = __ffs64(mask), mask) { - engine = nvkm_engine(parent, i); - if (engine && (oclass = engine->sclass)) { - while (oclass->ofuncs) { - if (++nr < size) - lclass[nr] = oclass->handle & 0xffff; - oclass++; - } - } - - mask &= ~(1ULL << i); - } - - return nr + 1; -} - -int -nvkm_parent_create_(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, u32 pclass, - struct nvkm_oclass *sclass, u64 engcls, - int size, void **pobject) -{ - struct nvkm_parent *object; - struct nvkm_sclass *nclass; - int ret; - - ret = nvkm_object_create_(parent, engine, oclass, pclass | - NV_PARENT_CLASS, size, pobject); - object = *pobject; - if (ret) - return ret; - - while (sclass && sclass->ofuncs) { - nclass = kzalloc(sizeof(*nclass), GFP_KERNEL); - if (!nclass) - return -ENOMEM; - - nclass->sclass = object->sclass; - object->sclass = nclass; - nclass->engine = engine ? nv_engine(engine) : NULL; - nclass->oclass = sclass; - sclass++; - } - - object->engine = engcls; - return 0; -} - -void -nvkm_parent_destroy(struct nvkm_parent *parent) -{ - struct nvkm_sclass *sclass; - - while ((sclass = parent->sclass)) { - parent->sclass = sclass->sclass; - kfree(sclass); - } - - nvkm_object_destroy(&parent->object); -} - - -void -_nvkm_parent_dtor(struct nvkm_object *object) -{ - nvkm_parent_destroy(nv_parent(object)); -} |