| 1 | /* $NetBSD: nouveau_subdev_fb_nv04.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright 2012 Red Hat Inc. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the "Software"), |
| 8 | * to deal in the Software without restriction, including without limitation |
| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
| 11 | * Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 22 | * OTHER DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | * Authors: Ben Skeggs |
| 25 | */ |
| 26 | |
| 27 | #include <sys/cdefs.h> |
| 28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_fb_nv04.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $" ); |
| 29 | |
| 30 | #include "nv04.h" |
| 31 | |
| 32 | #define NV04_PFB_CFG0 0x00100200 |
| 33 | |
| 34 | bool |
| 35 | nv04_fb_memtype_valid(struct nouveau_fb *pfb, u32 tile_flags) |
| 36 | { |
| 37 | if (!(tile_flags & 0xff00)) |
| 38 | return true; |
| 39 | |
| 40 | return false; |
| 41 | } |
| 42 | |
| 43 | static int |
| 44 | nv04_fb_init(struct nouveau_object *object) |
| 45 | { |
| 46 | struct nv04_fb_priv *priv = (void *)object; |
| 47 | int ret; |
| 48 | |
| 49 | ret = nouveau_fb_init(&priv->base); |
| 50 | if (ret) |
| 51 | return ret; |
| 52 | |
| 53 | /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows |
| 54 | * nvidia reading PFB_CFG_0, then writing back its original value. |
| 55 | * (which was 0x701114 in this case) |
| 56 | */ |
| 57 | nv_wr32(priv, NV04_PFB_CFG0, 0x1114); |
| 58 | return 0; |
| 59 | } |
| 60 | |
| 61 | int |
| 62 | nv04_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
| 63 | struct nouveau_oclass *oclass, void *data, u32 size, |
| 64 | struct nouveau_object **pobject) |
| 65 | { |
| 66 | struct nv04_fb_impl *impl = (void *)oclass; |
| 67 | struct nv04_fb_priv *priv; |
| 68 | int ret; |
| 69 | |
| 70 | ret = nouveau_fb_create(parent, engine, oclass, &priv); |
| 71 | *pobject = nv_object(priv); |
| 72 | if (ret) |
| 73 | return ret; |
| 74 | |
| 75 | priv->base.tile.regions = impl->tile.regions; |
| 76 | priv->base.tile.init = impl->tile.init; |
| 77 | priv->base.tile.comp = impl->tile.comp; |
| 78 | priv->base.tile.fini = impl->tile.fini; |
| 79 | priv->base.tile.prog = impl->tile.prog; |
| 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | struct nouveau_oclass * |
| 84 | nv04_fb_oclass = &(struct nv04_fb_impl) { |
| 85 | .base.base.handle = NV_SUBDEV(FB, 0x04), |
| 86 | .base.base.ofuncs = &(struct nouveau_ofuncs) { |
| 87 | .ctor = nv04_fb_ctor, |
| 88 | .dtor = _nouveau_fb_dtor, |
| 89 | .init = nv04_fb_init, |
| 90 | .fini = _nouveau_fb_fini, |
| 91 | }, |
| 92 | .base.memtype = nv04_fb_memtype_valid, |
| 93 | .base.ram = &nv04_ram_oclass, |
| 94 | }.base.base; |
| 95 | |