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
|
/*
* Copyright 2009 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 <linux/firmware.h>
#include "drmP.h"
#include "nouveau_drv.h"
struct nouveau_ctxprog {
uint32_t signature;
uint8_t version;
uint16_t length;
uint32_t data[];
} __attribute__ ((packed));
struct nouveau_ctxvals {
uint32_t signature;
uint8_t version;
uint32_t length;
struct {
uint32_t offset;
uint32_t value;
} data[];
} __attribute__ ((packed));
int
nouveau_grctx_prog_load(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
const int chipset = dev_priv->chipset;
const struct firmware *fw;
const struct nouveau_ctxprog *cp;
const struct nouveau_ctxvals *cv;
char name[32];
int ret, i;
if (pgraph->accel_blocked)
return -ENODEV;
if (!pgraph->ctxprog) {
sprintf(name, "nouveau/nv%02x.ctxprog", chipset);
ret = request_firmware(&fw, name, &dev->pdev->dev);
if (ret) {
NV_ERROR(dev, "No ctxprog for NV%02x\n", chipset);
return ret;
}
pgraph->ctxprog = kmalloc(fw->size, GFP_KERNEL);
if (!pgraph->ctxprog) {
NV_ERROR(dev, "OOM copying ctxprog\n");
release_firmware(fw);
return -ENOMEM;
}
memcpy(pgraph->ctxprog, fw->data, fw->size);
cp = pgraph->ctxprog;
if (le32_to_cpu(cp->signature) != 0x5043564e ||
cp->version != 0 ||
le16_to_cpu(cp->length) != ((fw->size - 7) / 4)) {
NV_ERROR(dev, "ctxprog invalid\n");
release_firmware(fw);
nouveau_grctx_fini(dev);
return -EINVAL;
}
release_firmware(fw);
}
if (!pgraph->ctxvals) {
sprintf(name, "nouveau/nv%02x.ctxvals", chipset);
ret = request_firmware(&fw, name, &dev->pdev->dev);
if (ret) {
NV_ERROR(dev, "No ctxvals for NV%02x\n", chipset);
nouveau_grctx_fini(dev);
return ret;
}
pgraph->ctxvals = kmalloc(fw->size, GFP_KERNEL);
if (!pgraph->ctxvals) {
NV_ERROR(dev, "OOM copying ctxvals\n");
release_firmware(fw);
nouveau_grctx_fini(dev);
return -ENOMEM;
}
memcpy(pgraph->ctxvals, fw->data, fw->size);
cv = (void *)pgraph->ctxvals;
if (le32_to_cpu(cv->signature) != 0x5643564e ||
cv->version != 0 ||
le32_to_cpu(cv->length) != ((fw->size - 9) / 8)) {
NV_ERROR(dev, "ctxvals invalid\n");
release_firmware(fw);
nouveau_grctx_fini(dev);
return -EINVAL;
}
release_firmware(fw);
}
cp = pgraph->ctxprog;
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
for (i = 0; i < le16_to_cpu(cp->length); i++)
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA,
le32_to_cpu(cp->data[i]));
return 0;
}
void
nouveau_grctx_fini(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
if (pgraph->ctxprog) {
kfree(pgraph->ctxprog);
pgraph->ctxprog = NULL;
}
if (pgraph->ctxvals) {
kfree(pgraph->ctxprog);
pgraph->ctxvals = NULL;
}
}
void
nouveau_grctx_vals_load(struct drm_device *dev, struct nouveau_gpuobj *ctx)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
struct nouveau_ctxvals *cv = pgraph->ctxvals;
int i;
if (!cv)
return;
for (i = 0; i < le32_to_cpu(cv->length); i++)
nv_wo32(dev, ctx, le32_to_cpu(cv->data[i].offset),
le32_to_cpu(cv->data[i].value));
}
|
