diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv84_vp.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv84_vp.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv84_vp.c b/drivers/gpu/drm/nouveau/nv84_vp.c new file mode 100644 index 00000000000..6570d300ab8 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nv84_vp.c @@ -0,0 +1,83 @@ +/* + * Copyright 2011 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 "drmP.h" +#include "nouveau_drv.h" +#include "nouveau_util.h" +#include "nouveau_vm.h" +#include "nouveau_ramht.h" + +/*XXX: This stub is currently used on NV98+ also, as soon as this becomes + * more than just an enable/disable stub this needs to be split out to + * nv98_vp.c... + */ + +struct nv84_vp_engine { + struct nouveau_exec_engine base; +}; + +static int +nv84_vp_fini(struct drm_device *dev, int engine, bool suspend) +{ + if (!(nv_rd32(dev, 0x000200) & 0x00020000)) + return 0; + + nv_mask(dev, 0x000200, 0x00020000, 0x00000000); + return 0; +} + +static int +nv84_vp_init(struct drm_device *dev, int engine) +{ + nv_mask(dev, 0x000200, 0x00020000, 0x00000000); + nv_mask(dev, 0x000200, 0x00020000, 0x00020000); + return 0; +} + +static void +nv84_vp_destroy(struct drm_device *dev, int engine) +{ + struct nv84_vp_engine *pvp = nv_engine(dev, engine); + + NVOBJ_ENGINE_DEL(dev, VP); + + kfree(pvp); +} + +int +nv84_vp_create(struct drm_device *dev) +{ + struct nv84_vp_engine *pvp; + + pvp = kzalloc(sizeof(*pvp), GFP_KERNEL); + if (!pvp) + return -ENOMEM; + + pvp->base.destroy = nv84_vp_destroy; + pvp->base.init = nv84_vp_init; + pvp->base.fini = nv84_vp_fini; + + NVOBJ_ENGINE_ADD(dev, VP, &pvp->base); + return 0; +} |