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author | Ben Skeggs <bskeggs@redhat.com> | 2012-10-08 14:11:35 +1000 |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2012-11-29 09:56:39 +1000 |
commit | 344e107df7a5c365287aabe9df7df58b3765246b (patch) | |
tree | 238f5db4bcd6d38e9775d4fce9421ac54b57ed1c /drivers/gpu/drm/nouveau/core/engine/dmaobj | |
parent | 82d23aea108886c869fce4c1e3178db5f57b6e9c (diff) | |
download | op-kernel-dev-344e107df7a5c365287aabe9df7df58b3765246b.zip op-kernel-dev-344e107df7a5c365287aabe9df7df58b3765246b.tar.gz |
drm/nvd0/dmaobj: duplicate fermi class, will diverge real soon now
The hardware dmaobj format completely changed in GF119, so these will
need a separate implementation.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/dmaobj')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/dmaobj/nvd0.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvd0.c new file mode 100644 index 0000000..7211cd8 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvd0.c @@ -0,0 +1,83 @@ +/* + * 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/device.h> +#include <core/gpuobj.h> +#include <core/class.h> + +#include <subdev/fb.h> +#include <engine/dmaobj.h> + +struct nvd0_dmaeng_priv { + struct nouveau_dmaeng base; +}; + +static int +nvd0_dmaobj_bind(struct nouveau_dmaeng *dmaeng, + struct nouveau_object *parent, + struct nouveau_dmaobj *dmaobj, + struct nouveau_gpuobj **pgpuobj) +{ + int ret = 0; + + if (!nv_iclass(parent, NV_ENGCTX_CLASS)) { + switch (nv_mclass(parent->parent)) { + break; + default: + return -EINVAL; + } + } else + return 0; + + return ret; +} + +static int +nvd0_dmaeng_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nvd0_dmaeng_priv *priv; + int ret; + + ret = nouveau_dmaeng_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_engine(priv)->sclass = nouveau_dmaobj_sclass; + priv->base.bind = nvd0_dmaobj_bind; + return 0; +} + +struct nouveau_oclass +nvd0_dmaeng_oclass = { + .handle = NV_ENGINE(DMAOBJ, 0xd0), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nvd0_dmaeng_ctor, + .dtor = _nouveau_dmaeng_dtor, + .init = _nouveau_dmaeng_init, + .fini = _nouveau_dmaeng_fini, + }, +}; |