1 | /* $NetBSD: nouveau_subdev_fb_nv35.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_nv35.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $" ); |
31 | |
32 | #include "nv04.h" |
33 | |
34 | static void |
35 | nv35_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags, |
36 | struct nouveau_fb_tile *tile) |
37 | { |
38 | u32 tiles = DIV_ROUND_UP(size, 0x40); |
39 | u32 tags = round_up(tiles / pfb->ram->parts, 0x40); |
40 | if (!nouveau_mm_head(&pfb->tags, 1, tags, tags, 1, &tile->tag)) { |
41 | if (flags & 2) tile->zcomp |= 0x04000000; /* Z16 */ |
42 | else tile->zcomp |= 0x08000000; /* Z24S8 */ |
43 | tile->zcomp |= ((tile->tag->offset ) >> 6); |
44 | tile->zcomp |= ((tile->tag->offset + tags - 1) >> 6) << 13; |
45 | #ifdef __BIG_ENDIAN |
46 | tile->zcomp |= 0x40000000; |
47 | #endif |
48 | } |
49 | } |
50 | |
51 | struct nouveau_oclass * |
52 | nv35_fb_oclass = &(struct nv04_fb_impl) { |
53 | .base.base.handle = NV_SUBDEV(FB, 0x35), |
54 | .base.base.ofuncs = &(struct nouveau_ofuncs) { |
55 | .ctor = nv04_fb_ctor, |
56 | .dtor = _nouveau_fb_dtor, |
57 | .init = nv30_fb_init, |
58 | .fini = _nouveau_fb_fini, |
59 | }, |
60 | .base.memtype = nv04_fb_memtype_valid, |
61 | .base.ram = &nv20_ram_oclass, |
62 | .tile.regions = 8, |
63 | .tile.init = nv30_fb_tile_init, |
64 | .tile.comp = nv35_fb_tile_comp, |
65 | .tile.fini = nv20_fb_tile_fini, |
66 | .tile.prog = nv20_fb_tile_prog, |
67 | }.base.base; |
68 | |