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 <subdev/fb.h>
28
29 struct nv46_fb_priv {
30 struct nouveau_fb base;
31 };
32
33 void
nv46_fb_tile_init(struct nouveau_fb * pfb,int i,u32 addr,u32 size,u32 pitch,u32 flags,struct nouveau_fb_tile * tile)34 nv46_fb_tile_init(struct nouveau_fb *pfb, int i, u32 addr, u32 size, u32 pitch,
35 u32 flags, struct nouveau_fb_tile *tile)
36 {
37 /* for performance, select alternate bank offset for zeta */
38 if (!(flags & 4)) tile->addr = (0 << 3);
39 else tile->addr = (1 << 3);
40
41 tile->addr |= 0x00000001; /* mode = vram */
42 tile->addr |= addr;
43 tile->limit = max(1u, addr + size) - 1;
44 tile->pitch = pitch;
45 }
46
47 static int
nv46_fb_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)48 nv46_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
49 struct nouveau_oclass *oclass, void *data, u32 size,
50 struct nouveau_object **pobject)
51 {
52 struct nv46_fb_priv *priv;
53 int ret;
54
55 ret = nouveau_fb_create(parent, engine, oclass, &priv);
56 *pobject = nv_object(priv);
57 if (ret)
58 return ret;
59
60 priv->base.memtype_valid = nv04_fb_memtype_valid;
61 priv->base.ram.init = nv44_fb_vram_init;
62 priv->base.tile.regions = 15;
63 priv->base.tile.init = nv46_fb_tile_init;
64 priv->base.tile.fini = nv20_fb_tile_fini;
65 priv->base.tile.prog = nv44_fb_tile_prog;
66 return nouveau_fb_preinit(&priv->base);
67 }
68
69
70 struct nouveau_oclass
71 nv46_fb_oclass = {
72 .handle = NV_SUBDEV(FB, 0x46),
73 .ofuncs = &(struct nouveau_ofuncs) {
74 .ctor = nv46_fb_ctor,
75 .dtor = _nouveau_fb_dtor,
76 .init = nv44_fb_init,
77 .fini = _nouveau_fb_fini,
78 },
79 };
80