1/* $NetBSD: nouveau_subdev_fb_nv44.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_nv44.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $");
31
32#include "nv04.h"
33
34static void
35nv44_fb_tile_init(struct nouveau_fb *pfb, int i, u32 addr, u32 size, u32 pitch,
36 u32 flags, struct nouveau_fb_tile *tile)
37{
38 tile->addr = 0x00000001; /* mode = vram */
39 tile->addr |= addr;
40 tile->limit = max(1u, addr + size) - 1;
41 tile->pitch = pitch;
42}
43
44void
45nv44_fb_tile_prog(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile)
46{
47 nv_wr32(pfb, 0x100604 + (i * 0x10), tile->limit);
48 nv_wr32(pfb, 0x100608 + (i * 0x10), tile->pitch);
49 nv_wr32(pfb, 0x100600 + (i * 0x10), tile->addr);
50 nv_rd32(pfb, 0x100600 + (i * 0x10));
51}
52
53int
54nv44_fb_init(struct nouveau_object *object)
55{
56 struct nv04_fb_priv *priv = (void *)object;
57 int ret;
58
59 ret = nouveau_fb_init(&priv->base);
60 if (ret)
61 return ret;
62
63 nv_wr32(priv, 0x100850, 0x80000000);
64 nv_wr32(priv, 0x100800, 0x00000001);
65 return 0;
66}
67
68struct nouveau_oclass *
69nv44_fb_oclass = &(struct nv04_fb_impl) {
70 .base.base.handle = NV_SUBDEV(FB, 0x44),
71 .base.base.ofuncs = &(struct nouveau_ofuncs) {
72 .ctor = nv04_fb_ctor,
73 .dtor = _nouveau_fb_dtor,
74 .init = nv44_fb_init,
75 .fini = _nouveau_fb_fini,
76 },
77 .base.memtype = nv04_fb_memtype_valid,
78 .base.ram = &nv44_ram_oclass,
79 .tile.regions = 12,
80 .tile.init = nv44_fb_tile_init,
81 .tile.fini = nv20_fb_tile_fini,
82 .tile.prog = nv44_fb_tile_prog,
83}.base.base;
84