1/* $NetBSD: nouveau_subdev_fb_nv40.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $ */
2
3/*
4 * Copyright (C) 2010 Francisco Jerez.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sublicense, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial
17 * portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
23 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_fb_nv40.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $");
31
32#include "nv04.h"
33
34void
35nv40_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags,
36 struct nouveau_fb_tile *tile)
37{
38 u32 tiles = DIV_ROUND_UP(size, 0x80);
39 u32 tags = round_up(tiles / pfb->ram->parts, 0x100);
40 if ( (flags & 2) &&
41 !nouveau_mm_head(&pfb->tags, 1, tags, tags, 1, &tile->tag)) {
42 tile->zcomp = 0x28000000; /* Z24S8_SPLIT_GRAD */
43 tile->zcomp |= ((tile->tag->offset ) >> 8);
44 tile->zcomp |= ((tile->tag->offset + tags - 1) >> 8) << 13;
45#ifdef __BIG_ENDIAN
46 tile->zcomp |= 0x40000000;
47#endif
48 }
49}
50
51static int
52nv40_fb_init(struct nouveau_object *object)
53{
54 struct nv04_fb_priv *priv = (void *)object;
55 int ret;
56
57 ret = nouveau_fb_init(&priv->base);
58 if (ret)
59 return ret;
60
61 nv_mask(priv, 0x10033c, 0x00008000, 0x00000000);
62 return 0;
63}
64
65struct nouveau_oclass *
66nv40_fb_oclass = &(struct nv04_fb_impl) {
67 .base.base.handle = NV_SUBDEV(FB, 0x40),
68 .base.base.ofuncs = &(struct nouveau_ofuncs) {
69 .ctor = nv04_fb_ctor,
70 .dtor = _nouveau_fb_dtor,
71 .init = nv40_fb_init,
72 .fini = _nouveau_fb_fini,
73 },
74 .base.memtype = nv04_fb_memtype_valid,
75 .base.ram = &nv40_ram_oclass,
76 .tile.regions = 8,
77 .tile.init = nv30_fb_tile_init,
78 .tile.comp = nv40_fb_tile_comp,
79 .tile.fini = nv20_fb_tile_fini,
80 .tile.prog = nv20_fb_tile_prog,
81}.base.base;
82