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 nv44_fb_vram_init(struct nouveau_fb *pfb)
36 u32 pfb474 = nv_rd32(pfb, 0x100474);
37 if (pfb474 & 0x00000004)
38 pfb->ram.type = NV_MEM_TYPE_GDDR3;
39 if (pfb474 & 0x00000002)
40 pfb->ram.type = NV_MEM_TYPE_DDR2;
41 if (pfb474 & 0x00000001)
42 pfb->ram.type = NV_MEM_TYPE_DDR1;
44 pfb->ram.size = nv_rd32(pfb, 0x10020c) & 0xff000000;
49 nv44_fb_tile_init(struct nouveau_fb *pfb, int i, u32 addr, u32 size, u32 pitch,
50 u32 flags, struct nouveau_fb_tile *tile)
52 tile->addr = 0x00000001; /* mode = vram */
54 tile->limit = max(1u, addr + size) - 1;
59 nv44_fb_tile_prog(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile)
61 nv_wr32(pfb, 0x100604 + (i * 0x10), tile->limit);
62 nv_wr32(pfb, 0x100608 + (i * 0x10), tile->pitch);
63 nv_wr32(pfb, 0x100600 + (i * 0x10), tile->addr);
64 nv_rd32(pfb, 0x100600 + (i * 0x10));
68 nv44_fb_init(struct nouveau_object *object)
70 struct nv44_fb_priv *priv = (void *)object;
73 ret = nouveau_fb_init(&priv->base);
77 nv_wr32(priv, 0x100850, 0x80000000);
78 nv_wr32(priv, 0x100800, 0x00000001);
83 nv44_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
84 struct nouveau_oclass *oclass, void *data, u32 size,
85 struct nouveau_object **pobject)
87 struct nv44_fb_priv *priv;
90 ret = nouveau_fb_create(parent, engine, oclass, &priv);
91 *pobject = nv_object(priv);
95 priv->base.memtype_valid = nv04_fb_memtype_valid;
96 priv->base.ram.init = nv44_fb_vram_init;
97 priv->base.tile.regions = 12;
98 priv->base.tile.init = nv44_fb_tile_init;
99 priv->base.tile.fini = nv20_fb_tile_fini;
100 priv->base.tile.prog = nv44_fb_tile_prog;
101 return nouveau_fb_preinit(&priv->base);
105 struct nouveau_oclass
107 .handle = NV_SUBDEV(FB, 0x44),
108 .ofuncs = &(struct nouveau_ofuncs) {
109 .ctor = nv44_fb_ctor,
110 .dtor = _nouveau_fb_dtor,
111 .init = nv44_fb_init,
112 .fini = _nouveau_fb_fini,