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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
* 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 <engine/cipher.h>
#include <engine/fifo.h>
#include <core/client.h>
#include <core/engctx.h>
#include <core/enum.h>
struct g84_cipher_priv {
struct nvkm_engine base;
};
/*******************************************************************************
* Crypt object classes
******************************************************************************/
static int
g84_cipher_object_ctor(struct nvkm_object *parent,
struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct nvkm_gpuobj *obj;
int ret;
ret = nvkm_gpuobj_create(parent, engine, oclass, 0, parent,
16, 16, 0, &obj);
*pobject = nv_object(obj);
if (ret)
return ret;
nv_wo32(obj, 0x00, nv_mclass(obj));
nv_wo32(obj, 0x04, 0x00000000);
nv_wo32(obj, 0x08, 0x00000000);
nv_wo32(obj, 0x0c, 0x00000000);
return 0;
}
static struct nvkm_ofuncs
g84_cipher_ofuncs = {
.ctor = g84_cipher_object_ctor,
.dtor = _nvkm_gpuobj_dtor,
.init = _nvkm_gpuobj_init,
.fini = _nvkm_gpuobj_fini,
.rd32 = _nvkm_gpuobj_rd32,
.wr32 = _nvkm_gpuobj_wr32,
};
static struct nvkm_oclass
g84_cipher_sclass[] = {
{ 0x74c1, &g84_cipher_ofuncs },
{}
};
/*******************************************************************************
* PCIPHER context
******************************************************************************/
static struct nvkm_oclass
g84_cipher_cclass = {
.handle = NV_ENGCTX(CIPHER, 0x84),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = _nvkm_engctx_ctor,
.dtor = _nvkm_engctx_dtor,
.init = _nvkm_engctx_init,
.fini = _nvkm_engctx_fini,
.rd32 = _nvkm_engctx_rd32,
.wr32 = _nvkm_engctx_wr32,
},
};
/*******************************************************************************
* PCIPHER engine/subdev functions
******************************************************************************/
static const struct nvkm_bitfield
g84_cipher_intr_mask[] = {
{ 0x00000001, "INVALID_STATE" },
{ 0x00000002, "ILLEGAL_MTHD" },
{ 0x00000004, "ILLEGAL_CLASS" },
{ 0x00000080, "QUERY" },
{ 0x00000100, "FAULT" },
{}
};
static void
g84_cipher_intr(struct nvkm_subdev *subdev)
{
struct nvkm_fifo *pfifo = nvkm_fifo(subdev);
struct nvkm_engine *engine = nv_engine(subdev);
struct nvkm_object *engctx;
struct g84_cipher_priv *priv = (void *)subdev;
u32 stat = nv_rd32(priv, 0x102130);
u32 mthd = nv_rd32(priv, 0x102190);
u32 data = nv_rd32(priv, 0x102194);
u32 inst = nv_rd32(priv, 0x102188) & 0x7fffffff;
int chid;
engctx = nvkm_engctx_get(engine, inst);
chid = pfifo->chid(pfifo, engctx);
if (stat) {
nv_error(priv, "%s", "");
nvkm_bitfield_print(g84_cipher_intr_mask, stat);
pr_cont(" ch %d [0x%010llx %s] mthd 0x%04x data 0x%08x\n",
chid, (u64)inst << 12, nvkm_client_name(engctx),
mthd, data);
}
nv_wr32(priv, 0x102130, stat);
nv_wr32(priv, 0x10200c, 0x10);
nvkm_engctx_put(engctx);
}
static int
g84_cipher_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct g84_cipher_priv *priv;
int ret;
ret = nvkm_engine_create(parent, engine, oclass, true,
"PCIPHER", "cipher", &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
nv_subdev(priv)->unit = 0x00004000;
nv_subdev(priv)->intr = g84_cipher_intr;
nv_engine(priv)->cclass = &g84_cipher_cclass;
nv_engine(priv)->sclass = g84_cipher_sclass;
return 0;
}
static int
g84_cipher_init(struct nvkm_object *object)
{
struct g84_cipher_priv *priv = (void *)object;
int ret;
ret = nvkm_engine_init(&priv->base);
if (ret)
return ret;
nv_wr32(priv, 0x102130, 0xffffffff);
nv_wr32(priv, 0x102140, 0xffffffbf);
nv_wr32(priv, 0x10200c, 0x00000010);
return 0;
}
struct nvkm_oclass
g84_cipher_oclass = {
.handle = NV_ENGINE(CIPHER, 0x84),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = g84_cipher_ctor,
.dtor = _nvkm_engine_dtor,
.init = g84_cipher_init,
.fini = _nvkm_engine_fini,
},
};
|
