diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c new file mode 100644 index 0000000..5baa086 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c @@ -0,0 +1,99 @@ +/* + * 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/gpuobj.h> + +#include <subdev/fb.h> +#include <engine/dmaobj.h> + +struct nvc0_dmaeng_priv { + struct nouveau_dmaeng base; +}; + +struct nvc0_dmaobj_priv { + struct nouveau_dmaobj base; +}; + +static int +nvc0_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nvc0_dmaobj_priv *dmaobj; + int ret; + + ret = nouveau_dmaobj_create(parent, engine, oclass, data, size, &dmaobj); + *pobject = nv_object(dmaobj); + if (ret) + return ret; + + if (dmaobj->base.target != NV_MEM_TARGET_VM || dmaobj->base.start) + return -EINVAL; + + return 0; +} + +static struct nouveau_ofuncs +nvc0_dmaobj_ofuncs = { + .ctor = nvc0_dmaobj_ctor, + .dtor = _nouveau_dmaobj_dtor, + .init = _nouveau_dmaobj_init, + .fini = _nouveau_dmaobj_fini, +}; + +static struct nouveau_oclass +nvc0_dmaobj_sclass[] = { + { 0x0002, &nvc0_dmaobj_ofuncs }, + { 0x0003, &nvc0_dmaobj_ofuncs }, + { 0x003d, &nvc0_dmaobj_ofuncs }, + {} +}; + +static int +nvc0_dmaeng_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nvc0_dmaeng_priv *priv; + int ret; + + ret = nouveau_dmaeng_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + priv->base.base.sclass = nvc0_dmaobj_sclass; + return 0; +} + +struct nouveau_oclass +nvc0_dmaeng_oclass = { + .handle = NV_ENGINE(DMAOBJ, 0xc0), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nvc0_dmaeng_ctor, + .dtor = _nouveau_dmaeng_dtor, + .init = _nouveau_dmaeng_init, + .fini = _nouveau_dmaeng_fini, + }, +}; |