1/* $NetBSD: nouveau_subdev_fb_nv04.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $ */
2
3/*
4 * Copyright 2012 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs
25 */
26
27#include <sys/cdefs.h>
28__KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_fb_nv04.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $");
29
30#include "nv04.h"
31
32#define NV04_PFB_CFG0 0x00100200
33
34bool
35nv04_fb_memtype_valid(struct nouveau_fb *pfb, u32 tile_flags)
36{
37 if (!(tile_flags & 0xff00))
38 return true;
39
40 return false;
41}
42
43static int
44nv04_fb_init(struct nouveau_object *object)
45{
46 struct nv04_fb_priv *priv = (void *)object;
47 int ret;
48
49 ret = nouveau_fb_init(&priv->base);
50 if (ret)
51 return ret;
52
53 /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows
54 * nvidia reading PFB_CFG_0, then writing back its original value.
55 * (which was 0x701114 in this case)
56 */
57 nv_wr32(priv, NV04_PFB_CFG0, 0x1114);
58 return 0;
59}
60
61int
62nv04_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
63 struct nouveau_oclass *oclass, void *data, u32 size,
64 struct nouveau_object **pobject)
65{
66 struct nv04_fb_impl *impl = (void *)oclass;
67 struct nv04_fb_priv *priv;
68 int ret;
69
70 ret = nouveau_fb_create(parent, engine, oclass, &priv);
71 *pobject = nv_object(priv);
72 if (ret)
73 return ret;
74
75 priv->base.tile.regions = impl->tile.regions;
76 priv->base.tile.init = impl->tile.init;
77 priv->base.tile.comp = impl->tile.comp;
78 priv->base.tile.fini = impl->tile.fini;
79 priv->base.tile.prog = impl->tile.prog;
80 return 0;
81}
82
83struct nouveau_oclass *
84nv04_fb_oclass = &(struct nv04_fb_impl) {
85 .base.base.handle = NV_SUBDEV(FB, 0x04),
86 .base.base.ofuncs = &(struct nouveau_ofuncs) {
87 .ctor = nv04_fb_ctor,
88 .dtor = _nouveau_fb_dtor,
89 .init = nv04_fb_init,
90 .fini = _nouveau_fb_fini,
91 },
92 .base.memtype = nv04_fb_memtype_valid,
93 .base.ram = &nv04_ram_oclass,
94}.base.base;
95