diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c new file mode 100644 index 000000000000..397d868359ad --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c @@ -0,0 +1,74 @@ +/* + * 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 <subdev/mc.h> + +struct nv44_mc_priv { + struct nouveau_mc base; +}; + +static int +nv44_mc_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nv44_mc_priv *priv; + int ret; + + ret = nouveau_mc_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->intr = nouveau_mc_intr; + priv->base.intr_map = nv04_mc_intr; + return 0; +} + +static int +nv44_mc_init(struct nouveau_object *object) +{ + struct nv44_mc_priv *priv = (void *)object; + u32 tmp = nv_rd32(priv, 0x10020c); + + nv_wr32(priv, 0x000200, 0xffffffff); /* everything enabled */ + + nv_wr32(priv, 0x001700, tmp); + nv_wr32(priv, 0x001704, 0); + nv_wr32(priv, 0x001708, 0); + nv_wr32(priv, 0x00170c, tmp); + + return nouveau_mc_init(&priv->base); +} + +struct nouveau_oclass +nv44_mc_oclass = { + .handle = NV_SUBDEV(MC, 0x44), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv44_mc_ctor, + .dtor = _nouveau_mc_dtor, + .init = nv44_mc_init, + .fini = _nouveau_mc_fini, + }, +}; |