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.
30 struct nouveau_fb base;
34 nv20_fb_tile_init(struct nouveau_fb *pfb, int i, u32 addr, u32 size, u32 pitch,
35 u32 flags, struct nouveau_fb_tile *tile)
37 tile->addr = 0x00000001 | addr;
38 tile->limit = max(1u, addr + size) - 1;
41 pfb->tile.comp(pfb, i, size, flags, tile);
47 nv20_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags,
48 struct nouveau_fb_tile *tile)
50 u32 tiles = DIV_ROUND_UP(size, 0x40);
51 u32 tags = round_up(tiles / pfb->ram->parts, 0x40);
52 if (!nouveau_mm_head(&pfb->tags, 1, tags, tags, 1, &tile->tag)) {
53 if (!(flags & 2)) tile->zcomp = 0x00000000; /* Z16 */
54 else tile->zcomp = 0x04000000; /* Z24S8 */
55 tile->zcomp |= tile->tag->offset;
56 tile->zcomp |= 0x80000000; /* enable */
58 tile->zcomp |= 0x08000000;
64 nv20_fb_tile_fini(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile)
70 nouveau_mm_free(&pfb->tags, &tile->tag);
74 nv20_fb_tile_prog(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile)
76 nv_wr32(pfb, 0x100244 + (i * 0x10), tile->limit);
77 nv_wr32(pfb, 0x100248 + (i * 0x10), tile->pitch);
78 nv_wr32(pfb, 0x100240 + (i * 0x10), tile->addr);
79 nv_rd32(pfb, 0x100240 + (i * 0x10));
80 nv_wr32(pfb, 0x100300 + (i * 0x04), tile->zcomp);
84 nv20_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
85 struct nouveau_oclass *oclass, void *data, u32 size,
86 struct nouveau_object **pobject)
88 struct nv20_fb_priv *priv;
91 ret = nouveau_fb_create(parent, engine, oclass, &nv20_ram_oclass, &priv);
92 *pobject = nv_object(priv);
96 priv->base.memtype_valid = nv04_fb_memtype_valid;
97 priv->base.tile.regions = 8;
98 priv->base.tile.init = nv20_fb_tile_init;
99 priv->base.tile.comp = nv20_fb_tile_comp;
100 priv->base.tile.fini = nv20_fb_tile_fini;
101 priv->base.tile.prog = nv20_fb_tile_prog;
105 struct nouveau_oclass
107 .handle = NV_SUBDEV(FB, 0x20),
108 .ofuncs = &(struct nouveau_ofuncs) {
109 .ctor = nv20_fb_ctor,
110 .dtor = _nouveau_fb_dtor,
111 .init = _nouveau_fb_init,
112 .fini = _nouveau_fb_fini,