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
|
/*
* Copyright 2012 Red Hat Inc.
*
* 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 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 HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: Ben Skeggs
*/
#include <subdev/fb.h>
#define NV04_PFB_BOOT_0 0x00100000
# define NV04_PFB_BOOT_0_RAM_AMOUNT 0x00000003
# define NV04_PFB_BOOT_0_RAM_AMOUNT_32MB 0x00000000
# define NV04_PFB_BOOT_0_RAM_AMOUNT_4MB 0x00000001
# define NV04_PFB_BOOT_0_RAM_AMOUNT_8MB 0x00000002
# define NV04_PFB_BOOT_0_RAM_AMOUNT_16MB 0x00000003
# define NV04_PFB_BOOT_0_RAM_WIDTH_128 0x00000004
# define NV04_PFB_BOOT_0_RAM_TYPE 0x00000028
# define NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_8MBIT 0x00000000
# define NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_16MBIT 0x00000008
# define NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_16MBIT_4BANK 0x00000010
# define NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_16MBIT 0x00000018
# define NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_64MBIT 0x00000020
# define NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_64MBITX16 0x00000028
# define NV04_PFB_BOOT_0_UMA_ENABLE 0x00000100
# define NV04_PFB_BOOT_0_UMA_SIZE 0x0000f000
#define NV04_PFB_CFG0 0x00100200
struct nv04_fb_priv {
struct nouveau_fb base;
};
bool
nv04_fb_memtype_valid(struct nouveau_fb *pfb, u32 tile_flags)
{
if (!(tile_flags & 0xff00))
return true;
return false;
}
static int
nv04_fb_vram_init(struct nouveau_fb *pfb)
{
u32 boot0 = nv_rd32(pfb, NV04_PFB_BOOT_0);
if (boot0 & 0x00000100) {
pfb->ram.size = ((boot0 >> 12) & 0xf) * 2 + 2;
pfb->ram.size *= 1024 * 1024;
} else {
switch (boot0 & NV04_PFB_BOOT_0_RAM_AMOUNT) {
case NV04_PFB_BOOT_0_RAM_AMOUNT_32MB:
pfb->ram.size = 32 * 1024 * 1024;
break;
case NV04_PFB_BOOT_0_RAM_AMOUNT_16MB:
pfb->ram.size = 16 * 1024 * 1024;
break;
case NV04_PFB_BOOT_0_RAM_AMOUNT_8MB:
pfb->ram.size = 8 * 1024 * 1024;
break;
case NV04_PFB_BOOT_0_RAM_AMOUNT_4MB:
pfb->ram.size = 4 * 1024 * 1024;
break;
}
}
if ((boot0 & 0x00000038) <= 0x10)
pfb->ram.type = NV_MEM_TYPE_SGRAM;
else
pfb->ram.type = NV_MEM_TYPE_SDRAM;
return 0;
}
static int
nv04_fb_init(struct nouveau_object *object)
{
struct nv04_fb_priv *priv = (void *)object;
int ret;
ret = nouveau_fb_init(&priv->base);
if (ret)
return ret;
/* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows
* nvidia reading PFB_CFG_0, then writing back its original value.
* (which was 0x701114 in this case)
*/
nv_wr32(priv, NV04_PFB_CFG0, 0x1114);
return 0;
}
static int
nv04_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nv04_fb_priv *priv;
int ret;
ret = nouveau_fb_create(parent, engine, oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
priv->base.memtype_valid = nv04_fb_memtype_valid;
priv->base.ram.init = nv04_fb_vram_init;
return nouveau_fb_preinit(&priv->base);
}
struct nouveau_oclass
nv04_fb_oclass = {
.handle = NV_SUBDEV(FB, 0x04),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv04_fb_ctor,
.dtor = _nouveau_fb_dtor,
.init = nv04_fb_init,
.fini = _nouveau_fb_fini,
},
};
|
