1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/*
* Copyright (C) 2010 Francisco Jerez.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "priv.h"
struct nv30_fb_priv {
struct nouveau_fb base;
};
void
nv30_fb_tile_init(struct nouveau_fb *pfb, int i, u32 addr, u32 size, u32 pitch,
u32 flags, struct nouveau_fb_tile *tile)
{
/* for performance, select alternate bank offset for zeta */
if (!(flags & 4)) {
tile->addr = (0 << 4);
} else {
if (pfb->tile.comp) /* z compression */
pfb->tile.comp(pfb, i, size, flags, tile);
tile->addr = (1 << 4);
}
tile->addr |= 0x00000001; /* enable */
tile->addr |= addr;
tile->limit = max(1u, addr + size) - 1;
tile->pitch = pitch;
}
static void
nv30_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags,
struct nouveau_fb_tile *tile)
{
u32 tiles = DIV_ROUND_UP(size, 0x40);
u32 tags = round_up(tiles / pfb->ram->parts, 0x40);
if (!nouveau_mm_head(&pfb->tags, 1, tags, tags, 1, &tile->tag)) {
if (flags & 2) tile->zcomp |= 0x01000000; /* Z16 */
else tile->zcomp |= 0x02000000; /* Z24S8 */
tile->zcomp |= ((tile->tag->offset ) >> 6);
tile->zcomp |= ((tile->tag->offset + tags - 1) >> 6) << 12;
#ifdef __BIG_ENDIAN
tile->zcomp |= 0x10000000;
#endif
}
}
static int
calc_bias(struct nv30_fb_priv *priv, int k, int i, int j)
{
struct nouveau_device *device = nv_device(priv);
int b = (device->chipset > 0x30 ?
nv_rd32(priv, 0x122c + 0x10 * k + 0x4 * j) >> (4 * (i ^ 1)) :
0) & 0xf;
return 2 * (b & 0x8 ? b - 0x10 : b);
}
static int
calc_ref(struct nv30_fb_priv *priv, int l, int k, int i)
{
int j, x = 0;
for (j = 0; j < 4; j++) {
int m = (l >> (8 * i) & 0xff) + calc_bias(priv, k, i, j);
x |= (0x80 | clamp(m, 0, 0x1f)) << (8 * j);
}
return x;
}
int
nv30_fb_init(struct nouveau_object *object)
{
struct nouveau_device *device = nv_device(object);
struct nv30_fb_priv *priv = (void *)object;
int ret, i, j;
ret = nouveau_fb_init(&priv->base);
if (ret)
return ret;
/* Init the memory timing regs at 0x10037c/0x1003ac */
if (device->chipset == 0x30 ||
device->chipset == 0x31 ||
device->chipset == 0x35) {
/* Related to ROP count */
int n = (device->chipset == 0x31 ? 2 : 4);
int l = nv_rd32(priv, 0x1003d0);
for (i = 0; i < n; i++) {
for (j = 0; j < 3; j++)
nv_wr32(priv, 0x10037c + 0xc * i + 0x4 * j,
calc_ref(priv, l, 0, j));
for (j = 0; j < 2; j++)
nv_wr32(priv, 0x1003ac + 0x8 * i + 0x4 * j,
calc_ref(priv, l, 1, j));
}
}
return 0;
}
static int
nv30_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nv30_fb_priv *priv;
int ret;
ret = nouveau_fb_create(parent, engine, oclass, &nv20_ram_oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
priv->base.memtype_valid = nv04_fb_memtype_valid;
priv->base.tile.regions = 8;
priv->base.tile.init = nv30_fb_tile_init;
priv->base.tile.comp = nv30_fb_tile_comp;
priv->base.tile.fini = nv20_fb_tile_fini;
priv->base.tile.prog = nv20_fb_tile_prog;
return 0;
}
struct nouveau_oclass
nv30_fb_oclass = {
.handle = NV_SUBDEV(FB, 0x30),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv30_fb_ctor,
.dtor = _nouveau_fb_dtor,
.init = nv30_fb_init,
.fini = _nouveau_fb_fini,
},
};
|
