diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.c new file mode 100644 index 000000000000..c063dec7d03a --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.c @@ -0,0 +1,87 @@ +/* + * 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 "nv04.h" +#include "regsnv04.h" + +bool +nv04_fb_memtype_valid(struct nvkm_fb *pfb, u32 tile_flags) +{ + if (!(tile_flags & 0xff00)) + return true; + + return false; +} + +static int +nv04_fb_init(struct nvkm_object *object) +{ + struct nv04_fb_priv *priv = (void *)object; + int ret; + + ret = nvkm_fb_init(&priv->base); + if (ret) + return ret; + + /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows + * nvidia reading PFB_CFG_0, then writing back its original value. + * (which was 0x701114 in this case) + */ + nv_wr32(priv, NV04_PFB_CFG0, 0x1114); + return 0; +} + +int +nv04_fb_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nv04_fb_impl *impl = (void *)oclass; + struct nv04_fb_priv *priv; + int ret; + + ret = nvkm_fb_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + priv->base.tile.regions = impl->tile.regions; + priv->base.tile.init = impl->tile.init; + priv->base.tile.comp = impl->tile.comp; + priv->base.tile.fini = impl->tile.fini; + priv->base.tile.prog = impl->tile.prog; + return 0; +} + +struct nvkm_oclass * +nv04_fb_oclass = &(struct nv04_fb_impl) { + .base.base.handle = NV_SUBDEV(FB, 0x04), + .base.base.ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv04_fb_ctor, + .dtor = _nvkm_fb_dtor, + .init = nv04_fb_init, + .fini = _nvkm_fb_fini, + }, + .base.memtype = nv04_fb_memtype_valid, + .base.ram = &nv04_ram_oclass, +}.base.base; |