| 1 | /* $NetBSD: nouveau_subdev_fb_nv44.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (C) 2010 Francisco Jerez. |
| 5 | * All Rights Reserved. |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining |
| 8 | * a copy of this software and associated documentation files (the |
| 9 | * "Software"), to deal in the Software without restriction, including |
| 10 | * without limitation the rights to use, copy, modify, merge, publish, |
| 11 | * distribute, sublicense, and/or sell copies of the Software, and to |
| 12 | * permit persons to whom the Software is furnished to do so, subject to |
| 13 | * the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice (including the |
| 16 | * next paragraph) shall be included in all copies or substantial |
| 17 | * portions of the Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 20 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 22 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| 23 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 24 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 25 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 26 | * |
| 27 | */ |
| 28 | |
| 29 | #include <sys/cdefs.h> |
| 30 | __KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_fb_nv44.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $" ); |
| 31 | |
| 32 | #include "nv04.h" |
| 33 | |
| 34 | static void |
| 35 | nv44_fb_tile_init(struct nouveau_fb *pfb, int i, u32 addr, u32 size, u32 pitch, |
| 36 | u32 flags, struct nouveau_fb_tile *tile) |
| 37 | { |
| 38 | tile->addr = 0x00000001; /* mode = vram */ |
| 39 | tile->addr |= addr; |
| 40 | tile->limit = max(1u, addr + size) - 1; |
| 41 | tile->pitch = pitch; |
| 42 | } |
| 43 | |
| 44 | void |
| 45 | nv44_fb_tile_prog(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile) |
| 46 | { |
| 47 | nv_wr32(pfb, 0x100604 + (i * 0x10), tile->limit); |
| 48 | nv_wr32(pfb, 0x100608 + (i * 0x10), tile->pitch); |
| 49 | nv_wr32(pfb, 0x100600 + (i * 0x10), tile->addr); |
| 50 | nv_rd32(pfb, 0x100600 + (i * 0x10)); |
| 51 | } |
| 52 | |
| 53 | int |
| 54 | nv44_fb_init(struct nouveau_object *object) |
| 55 | { |
| 56 | struct nv04_fb_priv *priv = (void *)object; |
| 57 | int ret; |
| 58 | |
| 59 | ret = nouveau_fb_init(&priv->base); |
| 60 | if (ret) |
| 61 | return ret; |
| 62 | |
| 63 | nv_wr32(priv, 0x100850, 0x80000000); |
| 64 | nv_wr32(priv, 0x100800, 0x00000001); |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | struct nouveau_oclass * |
| 69 | nv44_fb_oclass = &(struct nv04_fb_impl) { |
| 70 | .base.base.handle = NV_SUBDEV(FB, 0x44), |
| 71 | .base.base.ofuncs = &(struct nouveau_ofuncs) { |
| 72 | .ctor = nv04_fb_ctor, |
| 73 | .dtor = _nouveau_fb_dtor, |
| 74 | .init = nv44_fb_init, |
| 75 | .fini = _nouveau_fb_fini, |
| 76 | }, |
| 77 | .base.memtype = nv04_fb_memtype_valid, |
| 78 | .base.ram = &nv44_ram_oclass, |
| 79 | .tile.regions = 12, |
| 80 | .tile.init = nv44_fb_tile_init, |
| 81 | .tile.fini = nv20_fb_tile_fini, |
| 82 | .tile.prog = nv44_fb_tile_prog, |
| 83 | }.base.base; |
| 84 | |