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Kirill Smelkov
linux
Commits
bd3cac7b
Commit
bd3cac7b
authored
Mar 04, 2014
by
Ben Skeggs
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Plain Diff
drm/nouveau/bios: parsing of some random table needed to bring up gr
Signed-off-by:
Ben Skeggs
<
bskeggs@redhat.com
>
parent
085969e6
Changes
3
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3 changed files
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133 additions
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0 deletions
+133
-0
drivers/gpu/drm/nouveau/Makefile
drivers/gpu/drm/nouveau/Makefile
+1
-0
drivers/gpu/drm/nouveau/core/include/subdev/bios/P0260.h
drivers/gpu/drm/nouveau/core/include/subdev/bios/P0260.h
+23
-0
drivers/gpu/drm/nouveau/core/subdev/bios/P0260.c
drivers/gpu/drm/nouveau/core/subdev/bios/P0260.c
+109
-0
No files found.
drivers/gpu/drm/nouveau/Makefile
View file @
bd3cac7b
...
...
@@ -48,6 +48,7 @@ nouveau-y += core/subdev/bios/therm.o
nouveau-y
+=
core/subdev/bios/vmap.o
nouveau-y
+=
core/subdev/bios/volt.o
nouveau-y
+=
core/subdev/bios/xpio.o
nouveau-y
+=
core/subdev/bios/P0260.o
nouveau-y
+=
core/subdev/bus/hwsq.o
nouveau-y
+=
core/subdev/bus/nv04.o
nouveau-y
+=
core/subdev/bus/nv31.o
...
...
drivers/gpu/drm/nouveau/core/include/subdev/bios/P0260.h
0 → 100644
View file @
bd3cac7b
#ifndef __NVBIOS_P0260_H__
#define __NVBIOS_P0260_H__
u32
nvbios_P0260Te
(
struct
nouveau_bios
*
,
u8
*
ver
,
u8
*
hdr
,
u8
*
cnt
,
u8
*
len
,
u8
*
xnr
,
u8
*
xsz
);
struct
nvbios_P0260E
{
u32
data
;
};
u32
nvbios_P0260Ee
(
struct
nouveau_bios
*
,
int
idx
,
u8
*
ver
,
u8
*
hdr
);
u32
nvbios_P0260Ep
(
struct
nouveau_bios
*
,
int
idx
,
u8
*
ver
,
u8
*
hdr
,
struct
nvbios_P0260E
*
);
struct
nvbios_P0260X
{
u32
data
;
};
u32
nvbios_P0260Xe
(
struct
nouveau_bios
*
,
int
idx
,
u8
*
ver
,
u8
*
hdr
);
u32
nvbios_P0260Xp
(
struct
nouveau_bios
*
,
int
idx
,
u8
*
ver
,
u8
*
hdr
,
struct
nvbios_P0260X
*
);
#endif
drivers/gpu/drm/nouveau/core/subdev/bios/P0260.c
0 → 100644
View file @
bd3cac7b
/*
* Copyright 2013 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/bios.h>
#include <subdev/bios/bit.h>
#include <subdev/bios/ramcfg.h>
#include <subdev/bios/P0260.h>
u32
nvbios_P0260Te
(
struct
nouveau_bios
*
bios
,
u8
*
ver
,
u8
*
hdr
,
u8
*
cnt
,
u8
*
len
,
u8
*
xnr
,
u8
*
xsz
)
{
struct
bit_entry
bit_P
;
u32
data
=
0x00000000
;
if
(
!
bit_entry
(
bios
,
'P'
,
&
bit_P
))
{
if
(
bit_P
.
version
==
2
&&
bit_P
.
length
>
0x63
)
data
=
nv_ro32
(
bios
,
bit_P
.
offset
+
0x60
);
if
(
data
)
{
*
ver
=
nv_ro08
(
bios
,
data
+
0
);
switch
(
*
ver
)
{
case
0x10
:
*
hdr
=
nv_ro08
(
bios
,
data
+
1
);
*
cnt
=
nv_ro08
(
bios
,
data
+
2
);
*
len
=
4
;
*
xnr
=
nv_ro08
(
bios
,
data
+
3
);
*
xsz
=
4
;
return
data
;
default:
break
;
}
}
}
return
0x00000000
;
}
u32
nvbios_P0260Ee
(
struct
nouveau_bios
*
bios
,
int
idx
,
u8
*
ver
,
u8
*
len
)
{
u8
hdr
,
cnt
,
xnr
,
xsz
;
u32
data
=
nvbios_P0260Te
(
bios
,
ver
,
&
hdr
,
&
cnt
,
len
,
&
xnr
,
&
xsz
);
if
(
data
&&
idx
<
cnt
)
return
data
+
hdr
+
(
idx
*
*
len
);
return
0x00000000
;
}
u32
nvbios_P0260Ep
(
struct
nouveau_bios
*
bios
,
int
idx
,
u8
*
ver
,
u8
*
len
,
struct
nvbios_P0260E
*
info
)
{
u32
data
=
nvbios_P0260Ee
(
bios
,
idx
,
ver
,
len
);
memset
(
info
,
0x00
,
sizeof
(
*
info
));
switch
(
!!
data
*
*
ver
)
{
case
0x10
:
info
->
data
=
nv_ro32
(
bios
,
data
);
return
data
;
default:
break
;
}
return
0x00000000
;
}
u32
nvbios_P0260Xe
(
struct
nouveau_bios
*
bios
,
int
idx
,
u8
*
ver
,
u8
*
xsz
)
{
u8
hdr
,
cnt
,
len
,
xnr
;
u32
data
=
nvbios_P0260Te
(
bios
,
ver
,
&
hdr
,
&
cnt
,
&
len
,
&
xnr
,
xsz
);
if
(
data
&&
idx
<
xnr
)
return
data
+
hdr
+
(
cnt
*
len
)
+
(
idx
*
*
xsz
);
return
0x00000000
;
}
u32
nvbios_P0260Xp
(
struct
nouveau_bios
*
bios
,
int
idx
,
u8
*
ver
,
u8
*
hdr
,
struct
nvbios_P0260X
*
info
)
{
u32
data
=
nvbios_P0260Xe
(
bios
,
idx
,
ver
,
hdr
);
memset
(
info
,
0x00
,
sizeof
(
*
info
));
switch
(
!!
data
*
*
ver
)
{
case
0x10
:
info
->
data
=
nv_ro32
(
bios
,
data
);
return
data
;
default:
break
;
}
return
0x00000000
;
}
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