1 /*
2 * Copyright (C) 2010 Francisco Jerez.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27 #include "nv04.h"
28
29 void
nv40_fb_tile_comp(struct nouveau_fb * pfb,int i,u32 size,u32 flags,struct nouveau_fb_tile * tile)30 nv40_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags,
31 struct nouveau_fb_tile *tile)
32 {
33 u32 tiles = DIV_ROUND_UP(size, 0x80);
34 u32 tags = round_up(tiles / pfb->ram->parts, 0x100);
35 if ( (flags & 2) &&
36 !nouveau_mm_head(&pfb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
37 tile->zcomp = 0x28000000; /* Z24S8_SPLIT_GRAD */
38 tile->zcomp |= ((tile->tag->offset ) >> 8);
39 tile->zcomp |= ((tile->tag->offset + tags - 1) >> 8) << 13;
40 #ifdef __BIG_ENDIAN
41 tile->zcomp |= 0x40000000;
42 #endif
43 }
44 }
45
46 static int
nv40_fb_init(struct nouveau_object * object)47 nv40_fb_init(struct nouveau_object *object)
48 {
49 struct nv04_fb_priv *priv = (void *)object;
50 int ret;
51
52 ret = nouveau_fb_init(&priv->base);
53 if (ret)
54 return ret;
55
56 nv_mask(priv, 0x10033c, 0x00008000, 0x00000000);
57 return 0;
58 }
59
60 struct nouveau_oclass *
61 nv40_fb_oclass = &(struct nv04_fb_impl) {
62 .base.base.handle = NV_SUBDEV(FB, 0x40),
63 .base.base.ofuncs = &(struct nouveau_ofuncs) {
64 .ctor = nv04_fb_ctor,
65 .dtor = _nouveau_fb_dtor,
66 .init = nv40_fb_init,
67 .fini = _nouveau_fb_fini,
68 },
69 .base.memtype = nv04_fb_memtype_valid,
70 .base.ram = &nv40_ram_oclass,
71 .tile.regions = 8,
72 .tile.init = nv30_fb_tile_init,
73 .tile.comp = nv40_fb_tile_comp,
74 .tile.fini = nv20_fb_tile_fini,
75 .tile.prog = nv20_fb_tile_prog,
76 }.base.base;
77