2 * Copyright (C) 2010 Francisco Jerez.
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:
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.
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.
27 #include <subdev/fb.h>
30 struct nouveau_fb base;
34 nv36_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags,
35 struct nouveau_fb_tile *tile)
37 u32 tiles = DIV_ROUND_UP(size, 0x40);
38 u32 tags = round_up(tiles / pfb->ram.parts, 0x40);
39 if (!nouveau_mm_head(&pfb->tags, 1, tags, tags, 1, &tile->tag)) {
40 if (flags & 2) tile->zcomp |= 0x10000000; /* Z16 */
41 else tile->zcomp |= 0x20000000; /* Z24S8 */
42 tile->zcomp |= ((tile->tag->offset ) >> 6);
43 tile->zcomp |= ((tile->tag->offset + tags - 1) >> 6) << 14;
45 tile->zcomp |= 0x80000000;
51 nv36_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
52 struct nouveau_oclass *oclass, void *data, u32 size,
53 struct nouveau_object **pobject)
55 struct nv36_fb_priv *priv;
58 ret = nouveau_fb_create(parent, engine, oclass, &priv);
59 *pobject = nv_object(priv);
63 priv->base.memtype_valid = nv04_fb_memtype_valid;
64 priv->base.ram.init = nv20_fb_vram_init;
65 priv->base.tile.regions = 8;
66 priv->base.tile.init = nv30_fb_tile_init;
67 priv->base.tile.comp = nv36_fb_tile_comp;
68 priv->base.tile.fini = nv20_fb_tile_fini;
69 priv->base.tile.prog = nv20_fb_tile_prog;
70 return nouveau_fb_preinit(&priv->base);
75 .handle = NV_SUBDEV(FB, 0x36),
76 .ofuncs = &(struct nouveau_ofuncs) {
78 .dtor = _nouveau_fb_dtor,
80 .fini = _nouveau_fb_fini,