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Kirill Smelkov
linux
Commits
67bf3c24
Commit
67bf3c24
authored
Mar 02, 2003
by
David S. Miller
Browse files
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Plain Diff
[FRAMEBUFFER]: Convert cg14 driver to new APIs.
parent
57b55f79
Changes
4
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Showing
4 changed files
with
606 additions
and
3 deletions
+606
-3
drivers/video/Kconfig
drivers/video/Kconfig
+2
-2
drivers/video/Makefile
drivers/video/Makefile
+2
-1
drivers/video/cg14.c
drivers/video/cg14.c
+597
-0
drivers/video/fbmem.c
drivers/video/fbmem.c
+5
-0
No files found.
drivers/video/Kconfig
View file @
67bf3c24
...
...
@@ -823,9 +823,9 @@ config FB_TCX
This is the frame buffer device driver for the TCX 24/8bit frame
buffer.
config FB_CG
FOURTEEN
config FB_CG
14
bool "CGfourteen (SX) support"
depends on FB_SBUS
&& SPARC32
depends on FB_SBUS
help
This is the frame buffer device driver for the CGfourteen frame
buffer on Desktop SPARCsystems with the SX graphics option.
...
...
drivers/video/Makefile
View file @
67bf3c24
...
...
@@ -72,7 +72,6 @@ obj-$(CONFIG_FB_VOODOO1) += sstfb.o cfbfillrect.o cfbcopyarea.o cfbimgb
# One by one these are being converted over to the new APIs
#obj-$(CONFIG_FB_TCX) += tcxfb.o sbusfb.o
#obj-$(CONFIG_FB_CGFOURTEEN) += cgfourteenfb.o sbusfb.o
#obj-$(CONFIG_FB_P9100) += p9100fb.o sbusfb.o
#obj-$(CONFIG_FB_LEO) += leofb.o sbusfb.o
...
...
@@ -82,6 +81,8 @@ obj-$(CONFIG_FB_CG3) += cg3.o sbuslib.o cfbimgblt.o cfbcopyarea.o
cfbfillrect.o
obj-$(CONFIG_FB_BW2)
+=
bw2.o sbuslib.o cfbimgblt.o cfbcopyarea.o
\
cfbfillrect.o
obj-$(CONFIG_FB_CG14)
+=
cg14.o sbuslib.o cfbimgblt.o cfbcopyarea.o
\
cfbfillrect.o
# Files generated that shall be removed upon make clean
clean-files
:=
promcon_tbl.c
...
...
drivers/video/cg
fourteenfb
.c
→
drivers/video/cg
14
.c
View file @
67bf3c24
/* $Id: cgfourteenfb.c,v 1.11 2001/09/19 00:04:33 davem Exp $
* cgfourteenfb.c: CGfourteen frame buffer driver
/* cg14.c: CGFOURTEEN frame buffer driver
*
* Copyright (C) 2003 David S. Miller (davem@redhat.com)
* Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
* Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx)
*
* Driver layout based loosely on tgafb.c, see that file for credits.
*/
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/selection.h>
#include <linux/fb.h>
#include <linux/mm.h>
#include <video/sbusfb.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/uaccess.h>
#include <asm/sbus.h>
#include <asm/oplib.h>
#include <asm/fbio.h>
#include "sbuslib.h"
/*
* Local functions.
*/
static
int
cg14_check_var
(
struct
fb_var_screeninfo
*
,
struct
fb_info
*
);
static
int
cg14_set_par
(
struct
fb_info
*
);
static
int
cg14_setcolreg
(
unsigned
,
unsigned
,
unsigned
,
unsigned
,
unsigned
,
struct
fb_info
*
);
#include <video/fbcon-cfb8.h>
static
int
cg14_mmap
(
struct
fb_info
*
,
struct
file
*
,
struct
vm_area_struct
*
);
static
int
cg14_ioctl
(
struct
inode
*
,
struct
file
*
,
unsigned
int
,
unsigned
long
,
struct
fb_info
*
);
/*
* Frame buffer operations
*/
static
struct
fb_ops
cg14_ops
=
{
.
owner
=
THIS_MODULE
,
.
fb_check_var
=
cg14_check_var
,
.
fb_set_par
=
cg14_set_par
,
.
fb_setcolreg
=
cg14_setcolreg
,
.
fb_fillrect
=
cfb_fillrect
,
.
fb_copyarea
=
cfb_copyarea
,
.
fb_imageblit
=
cfb_imageblit
,
.
fb_mmap
=
cg14_mmap
,
.
fb_ioctl
=
cg14_ioctl
,
.
fb_cursor
=
soft_cursor
,
};
#define CG14_MCR_INTENABLE_SHIFT 7
#define CG14_MCR_INTENABLE_MASK 0x80
...
...
@@ -72,8 +99,6 @@
#define CG14_MCR_PIXMODE_16 2
#define CG14_MCR_PIXMODE_32 3
MODULE_LICENSE
(
"GPL"
);
struct
cg14_regs
{
volatile
u8
mcr
;
/* Master Control Reg */
volatile
u8
ppr
;
/* Packed Pixel Reg */
...
...
@@ -161,285 +186,412 @@ struct cg14_clut {
u32
c_clutd_inc
[
256
];
};
static
struct
sbus_mmap_map
cg14_mmap_map
[]
__initdata
=
{
{
CG14_REGS
,
0x80000000
,
0x1000
},
{
CG14_XLUT
,
0x80003000
,
0x1000
},
{
CG14_CLUT1
,
0x80004000
,
0x1000
},
{
CG14_CLUT2
,
0x80005000
,
0x1000
},
{
CG14_CLUT3
,
0x80006000
,
0x1000
},
{
CG3_MMAP_OFFSET
-
0x7000
,
0x80000000
,
0x7000
},
{
CG3_MMAP_OFFSET
,
0x00000000
,
SBUS_MMAP_FBSIZE
(
1
)
},
{
MDI_CURSOR_MAP
,
0x80001000
,
0x1000
},
{
MDI_CHUNKY_BGR_MAP
,
0x01000000
,
0x400000
},
{
MDI_PLANAR_X16_MAP
,
0x02000000
,
0x200000
},
{
MDI_PLANAR_C16_MAP
,
0x02800000
,
0x200000
},
{
MDI_PLANAR_X32_MAP
,
0x03000000
,
0x100000
},
{
MDI_PLANAR_B32_MAP
,
0x03400000
,
0x100000
},
{
MDI_PLANAR_G32_MAP
,
0x03800000
,
0x100000
},
{
MDI_PLANAR_R32_MAP
,
0x03c00000
,
0x100000
},
{
0
,
0
,
0
}
#define CG14_MMAP_ENTRIES 16
struct
cg14_par
{
spinlock_t
lock
;
struct
cg14_regs
*
regs
;
struct
cg14_clut
*
clut
;
struct
cg14_cursor
*
cursor
;
u32
flags
;
#define CG14_FLAG_BLANKED 0x00000001
unsigned
long
physbase
;
unsigned
long
iospace
;
unsigned
long
fbsize
;
struct
sbus_mmap_map
mmap_map
[
CG14_MMAP_ENTRIES
];
int
mode
;
int
ramsize
;
struct
sbus_dev
*
sdev
;
struct
list_head
list
;
};
static
void
cg14_loadcmap
(
struct
fb_info_sbusfb
*
fb
,
struct
display
*
p
,
int
index
,
int
count
)
static
void
__cg14_reset
(
struct
cg14_par
*
par
)
{
struct
cg14_clut
*
clut
=
fb
->
s
.
cg14
.
clut
;
unsigned
long
flags
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
for
(;
count
--
;
index
++
)
{
u32
val
;
val
=
((
fb
->
color_map
CM
(
index
,
2
)
<<
16
)
|
(
fb
->
color_map
CM
(
index
,
1
)
<<
8
)
|
(
fb
->
color_map
CM
(
index
,
0
)));
sbus_writel
(
val
,
&
clut
->
c_clut
[
index
]);
}
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
struct
cg14_regs
*
regs
=
par
->
regs
;
u8
val
;
val
=
sbus_readb
(
&
regs
->
mcr
);
val
&=
~
(
CG14_MCR_PIXMODE_MASK
);
sbus_writeb
(
val
,
&
regs
->
mcr
);
}
static
void
cg14_margins
(
struct
fb_info_sbusfb
*
fb
,
struct
display
*
p
,
int
x_margin
,
int
y_margin
)
/**
* cg14_check_var - Optional function. Validates a var passed in.
* @var: frame buffer variable screen structure
* @info: frame buffer structure that represents a single frame buffer
*/
static
int
cg14_check_var
(
struct
fb_var_screeninfo
*
var
,
struct
fb_info
*
info
)
{
fb
->
info
.
screen_base
+=
(
y_margin
-
fb
->
y_margin
)
*
fb
->
info
.
fix
.
line_length
+
(
x_margin
-
fb
->
x_margin
);
if
(
var
->
bits_per_pixel
!=
8
)
return
-
EINVAL
;
if
(
var
->
xres_virtual
!=
var
->
xres
||
var
->
yres_virtual
!=
var
->
yres
)
return
-
EINVAL
;
if
(
var
->
nonstd
)
return
-
EINVAL
;
if
((
var
->
vmode
&
FB_VMODE_MASK
)
!=
FB_VMODE_NONINTERLACED
)
return
-
EINVAL
;
if
(
var
->
xres
!=
info
->
var
.
xres
||
var
->
yres
!=
info
->
var
.
yres
)
return
-
EINVAL
;
return
0
;
}
static
void
cg14_setcursormap
(
struct
fb_info_sbusfb
*
fb
,
u8
*
red
,
u8
*
green
,
u8
*
blue
)
/**
* cg14_set_par - Optional function. Alters the hardware state.
* @info: frame buffer structure that represents a single frame buffer
*/
static
int
cg14_set_par
(
struct
fb_info
*
info
)
{
struct
cg14_cursor
*
cur
=
fb
->
s
.
cg14
.
cursor
;
unsigned
long
flags
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
sbus_writel
(((
red
[
0
])
|
(
green
[
0
]
<<
8
)
|
(
blue
[
0
]
<<
16
)),
&
cur
->
color0
);
sbus_writel
(((
red
[
1
])
|
(
green
[
1
]
<<
8
)
|
(
blue
[
1
]
<<
16
)),
&
cur
->
color1
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
return
0
;
}
/* Set cursor shape */
static
void
cg14_setcurshape
(
struct
fb_info_sbusfb
*
fb
)
/**
* cg14_setcolreg - Optional function. Sets a color register.
* @regno: boolean, 0 copy local, 1 get_user() function
* @red: frame buffer colormap structure
* @green: The green value which can be up to 16 bits wide
* @blue: The blue value which can be up to 16 bits wide.
* @transp: If supported the alpha value which can be up to 16 bits wide.
* @info: frame buffer info structure
*/
static
int
cg14_setcolreg
(
unsigned
regno
,
unsigned
red
,
unsigned
green
,
unsigned
blue
,
unsigned
transp
,
struct
fb_info
*
info
)
{
struct
cg14_cursor
*
cur
=
fb
->
s
.
cg14
.
cursor
;
struct
cg14_par
*
par
=
(
struct
cg14_par
*
)
info
->
par
;
struct
cg14_clut
*
clut
=
par
->
clut
;
unsigned
long
flags
;
int
i
;
u32
val
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
for
(
i
=
0
;
i
<
32
;
i
++
){
sbus_writel
(
fb
->
cursor
.
bits
[
0
][
i
],
&
cur
->
cpl0
[
i
]);
sbus_writel
(
fb
->
cursor
.
bits
[
1
][
i
],
&
cur
->
cpl1
[
i
]);
}
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
}
if
(
regno
>=
256
)
return
1
;
/* Load cursor information */
static
void
cg14_setcursor
(
struct
fb_info_sbusfb
*
fb
)
{
struct
cg_cursor
*
c
=
&
fb
->
cursor
;
struct
cg14_cursor
*
cur
=
fb
->
s
.
cg14
.
cursor
;
unsigned
long
flags
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
if
(
c
->
enable
)
{
u8
tmp
=
sbus_readb
(
&
cur
->
ccr
);
val
=
(
red
|
(
green
<<
8
)
|
(
blue
<<
16
));
tmp
|=
CG14_CCR_ENABLE
;
sbus_writeb
(
tmp
,
&
cur
->
ccr
);
}
else
{
u8
tmp
=
sbus_readb
(
&
cur
->
ccr
);
spin_lock_irqsave
(
&
par
->
lock
,
flags
);
sbus_writel
(
val
,
&
clut
->
c_clut
[
regno
]);
spin_unlock_irqrestore
(
&
par
->
lock
,
flags
);
tmp
&=
~
CG14_CCR_ENABLE
;
sbus_writeb
(
tmp
,
&
cur
->
ccr
);
}
sbus_writew
(((
c
->
cpos
.
fbx
-
c
->
chot
.
fbx
)
&
0xfff
),
&
cur
->
cursx
);
sbus_writew
(((
c
->
cpos
.
fby
-
c
->
chot
.
fby
)
&
0xfff
),
&
cur
->
cursy
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
return
0
;
}
static
void
cg14_switch_from_graph
(
struct
fb_info_sbusfb
*
fb
)
static
int
cg14_mmap
(
struct
fb_info
*
info
,
struct
file
*
file
,
struct
vm_area_struct
*
vma
)
{
unsigned
long
flags
;
struct
cg14_par
*
par
=
(
struct
cg14_par
*
)
info
->
par
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
/* Set the 8-bpp mode */
if
(
fb
->
open
&&
fb
->
mmaped
){
volatile
char
*
mcr
=
&
fb
->
s
.
cg14
.
regs
->
mcr
;
char
tmp
;
fb
->
s
.
cg14
.
mode
=
8
;
tmp
=
sbus_readb
(
mcr
);
tmp
&=
~
(
CG14_MCR_PIXMODE_MASK
);
sbus_writeb
(
tmp
,
mcr
);
}
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
return
sbusfb_mmap_helper
(
par
->
mmap_map
,
par
->
physbase
,
par
->
fbsize
,
par
->
iospace
,
vma
);
}
static
void
cg14_reset
(
struct
fb_info_sbusfb
*
fb
)
static
int
cg14_ioctl
(
struct
inode
*
inode
,
struct
file
*
file
,
unsigned
int
cmd
,
unsigned
long
arg
,
struct
fb_info
*
info
)
{
volatile
char
*
mcr
=
&
fb
->
s
.
cg14
.
regs
->
mcr
;
struct
cg14_par
*
par
=
(
struct
cg14_par
*
)
info
->
par
;
struct
cg14_regs
*
regs
=
par
->
regs
;
struct
mdi_cfginfo
kmdi
,
*
mdii
;
unsigned
long
flags
;
char
tmp
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
tmp
=
sbus_readb
(
mcr
);
tmp
&=
~
(
CG14_MCR_PIXMODE_MASK
);
sbus_writeb
(
tmp
,
mcr
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
}
int
cur_mode
,
mode
,
ret
=
0
;
static
int
cg14_ioctl
(
struct
fb_info_sbusfb
*
fb
,
unsigned
int
cmd
,
unsigned
long
arg
)
{
volatile
char
*
mcr
=
&
fb
->
s
.
cg14
.
regs
->
mcr
;
struct
mdi_cfginfo
*
mdii
;
unsigned
long
flags
;
int
mode
,
ret
=
0
;
char
tmp
;
switch
(
cmd
)
{
case
MDI_RESET
:
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
tmp
=
sbus_readb
(
mcr
);
tmp
&=
~
CG14_MCR_PIXMODE_MASK
;
sbus_writeb
(
tmp
,
mcr
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
spin_lock_irqsave
(
&
par
->
lock
,
flags
);
__cg14_reset
(
par
);
spin_unlock_irqrestore
(
&
par
->
lock
,
flags
);
break
;
case
MDI_GET_CFGINFO
:
mdii
=
(
struct
mdi_cfginfo
*
)
arg
;
if
(
put_user
(
FBTYPE_MDICOLOR
,
&
mdii
->
mdi_type
)
||
__put_user
(
fb
->
type
.
fb_height
,
&
mdii
->
mdi_height
)
||
__put_user
(
fb
->
type
.
fb_width
,
&
mdii
->
mdi_width
)
||
__put_user
(
fb
->
s
.
cg14
.
mode
,
&
mdii
->
mdi_mode
)
||
__put_user
(
72
,
&
mdii
->
mdi_pixfreq
)
||
/* FIXME */
__put_user
(
fb
->
s
.
cg14
.
ramsize
,
&
mdii
->
mdi_size
))
return
-
EFAULT
;
memset
(
&
kmdi
,
0
,
sizeof
(
kmdi
));
spin_lock_irqsave
(
&
par
->
lock
,
flags
);
kmdi
.
mdi_type
=
FBTYPE_MDICOLOR
;
kmdi
.
mdi_height
=
info
->
var
.
yres
;
kmdi
.
mdi_width
=
info
->
var
.
xres
;
kmdi
.
mdi_mode
=
par
->
mode
;
kmdi
.
mdi_pixfreq
=
72
;
/* FIXME */
kmdi
.
mdi_size
=
par
->
ramsize
;
spin_unlock_irqrestore
(
&
par
->
lock
,
flags
);
mdii
=
(
struct
mdi_cfginfo
*
)
arg
;
if
(
copy_to_user
(
mdii
,
&
kmdi
,
sizeof
(
kmdi
)))
ret
=
-
EFAULT
;
break
;
case
MDI_SET_PIXELMODE
:
if
(
get_user
(
mode
,
(
int
*
)
arg
))
return
-
EFAULT
;
if
(
get_user
(
mode
,
(
int
*
)
arg
))
{
ret
=
-
EFAULT
;
break
;
}
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
tmp
=
sbus_readb
(
mcr
);
switch
(
mode
){
spin_lock_irqsave
(
&
par
->
lock
,
flags
);
cur_mode
=
sbus_readb
(
&
regs
->
mcr
);
cur_mode
&=
~
CG14_MCR_PIXMODE_MASK
;
switch
(
mode
)
{
case
MDI_32_PIX
:
tmp
=
(
tmp
&
~
CG14_MCR_PIXMODE_MASK
)
|
(
CG14_MCR_PIXMODE_32
<<
CG14_MCR_PIXMODE_SHIFT
);
cur_mode
|=
(
CG14_MCR_PIXMODE_32
<<
CG14_MCR_PIXMODE_SHIFT
);
break
;
case
MDI_16_PIX
:
tmp
=
(
tmp
&
~
CG14_MCR_PIXMODE_MASK
)
|
0x20
;
cur_mode
|=
0x20
;
break
;
case
MDI_8_PIX
:
tmp
=
(
tmp
&
~
CG14_MCR_PIXMODE_MASK
);
break
;
default:
ret
=
-
ENOSYS
;
break
;
};
if
(
ret
==
0
)
{
sbus_writeb
(
tmp
,
mcr
);
fb
->
s
.
cg14
.
mode
=
mode
;
if
(
!
ret
)
{
sbus_writeb
(
cur_mode
,
&
regs
->
mcr
);
par
->
mode
=
mode
;
}
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
spin_unlock_irqrestore
(
&
par
->
lock
,
flags
);
break
;
default:
ret
=
-
EINVAL
;
break
;
};
return
ret
;
}
static
unsigned
long
__init
get_phys
(
unsigned
long
addr
)
{
return
__get_phys
(
addr
);
}
/*
* Initialisation
*/
static
int
__init
get_iospace
(
unsigned
long
addr
)
static
void
cg14_init_fix
(
struct
fb_info
*
info
,
int
linebytes
)
{
return
__get_iospace
(
addr
);
struct
cg14_par
*
par
=
(
struct
cg14_par
*
)
info
->
par
;
strncpy
(
info
->
fix
.
id
,
par
->
sdev
->
prom_name
,
sizeof
(
info
->
fix
.
id
)
-
1
);
info
->
fix
.
id
[
sizeof
(
info
->
fix
.
id
)
-
1
]
=
0
;
info
->
fix
.
type
=
FB_TYPE_PACKED_PIXELS
;
info
->
fix
.
visual
=
FB_VISUAL_TRUECOLOR
;
info
->
fix
.
line_length
=
linebytes
;
info
->
fix
.
accel
=
FB_ACCEL_SUN_CG14
;
}
static
char
idstring
[
60
]
__initdata
=
{
0
};
static
struct
sbus_mmap_map
__cg14_mmap_map
[
CG14_MMAP_ENTRIES
]
__initdata
=
{
{
CG14_REGS
,
0x80000000
,
0x1000
},
{
CG14_XLUT
,
0x80003000
,
0x1000
},
{
CG14_CLUT1
,
0x80004000
,
0x1000
},
{
CG14_CLUT2
,
0x80005000
,
0x1000
},
{
CG14_CLUT3
,
0x80006000
,
0x1000
},
{
CG3_MMAP_OFFSET
-
0x7000
,
0x80000000
,
0x7000
},
{
CG3_MMAP_OFFSET
,
0x00000000
,
SBUS_MMAP_FBSIZE
(
1
)
},
{
MDI_CURSOR_MAP
,
0x80001000
,
0x1000
},
{
MDI_CHUNKY_BGR_MAP
,
0x01000000
,
0x400000
},
{
MDI_PLANAR_X16_MAP
,
0x02000000
,
0x200000
},
{
MDI_PLANAR_C16_MAP
,
0x02800000
,
0x200000
},
{
MDI_PLANAR_X32_MAP
,
0x03000000
,
0x100000
},
{
MDI_PLANAR_B32_MAP
,
0x03400000
,
0x100000
},
{
MDI_PLANAR_G32_MAP
,
0x03800000
,
0x100000
},
{
MDI_PLANAR_R32_MAP
,
0x03c00000
,
0x100000
},
{
0
,
0
,
0
}
};
struct
all_info
{
struct
fb_info
info
;
struct
cg14_par
par
;
struct
list_head
list
;
};
static
LIST_HEAD
(
cg14_list
);
char
__init
*
cgfourteenfb_init
(
struct
fb_info_sbusfb
*
fb
)
static
void
cg14_init_one
(
struct
sbus_dev
*
sdev
,
int
node
,
int
parent_node
)
{
struct
fb_fix_screeninfo
*
fix
=
&
fb
->
info
.
fix
;
struct
display
*
disp
=
&
fb
->
disp
;
struct
fbtype
*
type
=
&
fb
->
type
;
unsigned
long
rphys
,
phys
;
struct
all_info
*
all
;
unsigned
long
phys
,
rphys
;
u32
bases
[
6
];
int
is_8mb
,
i
;
int
is_8mb
,
linebytes
,
i
;
if
(
!
sdev
)
{
prom_getproperty
(
node
,
"address"
,
(
char
*
)
&
bases
[
0
],
sizeof
(
bases
));
if
(
!
bases
[
0
])
{
printk
(
KERN_ERR
"cg14: Device is not mapped.
\n
"
);
return
;
}
if
(
__get_iospace
(
bases
[
0
])
!=
__get_iospace
(
bases
[
1
]))
{
printk
(
KERN_ERR
"cg14: I/O spaces don't match.
\n
"
);
return
;
}
}
#ifndef FBCON_HAS_CFB8
return
NULL
;
#endif
prom_getproperty
(
fb
->
prom_node
,
"address"
,
(
char
*
)
&
bases
[
0
],
8
);
if
(
!
bases
[
0
])
{
printk
(
"cg14 not mmaped
\n
"
);
return
NULL
;
all
=
kmalloc
(
sizeof
(
*
all
),
GFP_KERNEL
);
if
(
!
all
)
{
printk
(
KERN_ERR
"cg14: Cannot allocate memory.
\n
"
);
return
;
}
if
(
get_iospace
(
bases
[
0
])
!=
get_iospace
(
bases
[
1
]))
{
printk
(
"Ugh. cg14 iospaces don't match
\n
"
);
return
NULL
;
memset
(
all
,
0
,
sizeof
(
*
all
));
INIT_LIST_HEAD
(
&
all
->
list
);
spin_lock_init
(
&
all
->
par
.
lock
);
sbusfb_fill_var
(
&
all
->
info
.
var
,
node
,
8
);
linebytes
=
prom_getintdefault
(
sdev
->
prom_node
,
"linebytes"
,
all
->
info
.
var
.
xres
);
all
->
par
.
fbsize
=
PAGE_ALIGN
(
linebytes
*
all
->
info
.
var
.
yres
);
all
->
par
.
sdev
=
sdev
;
if
(
sdev
)
{
rphys
=
sdev
->
reg_addrs
[
0
].
phys_addr
;
all
->
par
.
physbase
=
phys
=
sdev
->
reg_addrs
[
1
].
phys_addr
;
all
->
par
.
iospace
=
sdev
->
reg_addrs
[
0
].
which_io
;
all
->
par
.
regs
=
(
struct
cg14_regs
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
0
,
sizeof
(
struct
cg14_regs
),
"cg14 regs"
);
all
->
par
.
clut
=
(
struct
cg14_clut
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG14_CLUT1
,
sizeof
(
struct
cg14_clut
),
"cg14 clut"
);
all
->
par
.
cursor
=
(
struct
cg14_cursor
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG14_CURSORREGS
,
sizeof
(
struct
cg14_cursor
),
"cg14 cursor"
);
all
->
info
.
screen_base
=
(
char
*
)
sbus_ioremap
(
&
sdev
->
resource
[
1
],
0
,
all
->
par
.
fbsize
,
"cg14 ram"
);
}
else
{
rphys
=
__get_phys
(
bases
[
0
]);
all
->
par
.
physbase
=
phys
=
__get_phys
(
bases
[
1
]);
all
->
par
.
iospace
=
__get_iospace
(
bases
[
0
]);
all
->
par
.
regs
=
(
struct
cg14_regs
*
)(
unsigned
long
)
bases
[
0
];
all
->
par
.
clut
=
(
struct
cg14_clut
*
)((
unsigned
long
)
bases
[
0
]
+
CG14_CLUT1
);
all
->
par
.
cursor
=
(
struct
cg14_cursor
*
)((
unsigned
long
)
bases
[
0
]
+
CG14_CURSORREGS
);
all
->
info
.
screen_base
=
(
char
*
)(
unsigned
long
)
bases
[
1
];
}
fb
->
physbase
=
phys
=
get_phys
(
bases
[
1
]);
rphys
=
get_phys
(
bases
[
0
]);
fb
->
iospace
=
get_iospace
(
bases
[
0
]);
fb
->
s
.
cg14
.
regs
=
(
struct
cg14_regs
*
)(
unsigned
long
)
bases
[
0
];
fb
->
s
.
cg14
.
clut
=
(
void
*
)((
unsigned
long
)
bases
[
0
]
+
CG14_CLUT1
);
fb
->
s
.
cg14
.
cursor
=
(
void
*
)((
unsigned
long
)
bases
[
0
]
+
CG14_CURSORREGS
);
fb
->
info
.
screen_base
=
(
char
*
)
bases
[
1
];
/* CG14_VCA_8MB_MASK is not correctly set on the 501-2482
* VSIMM, so we read the memory size from the PROM
*/
prom_getproperty
(
fb
->
prom_node
,
"reg"
,
(
char
*
)
&
bases
[
0
],
24
);
is_8mb
=
bases
[
5
]
==
0x800000
;
fb
->
mmap_map
=
kmalloc
(
sizeof
(
cg14_mmap_map
),
GFP_KERNEL
);
if
(
!
fb
->
mmap_map
)
return
NULL
;
for
(
i
=
0
;
;
i
++
)
{
fb
->
mmap_map
[
i
].
voff
=
cg14_mmap_map
[
i
].
voff
;
fb
->
mmap_map
[
i
].
poff
=
(
cg14_mmap_map
[
i
].
poff
&
0x80000000
)
?
(
cg14_mmap_map
[
i
].
poff
&
0x7fffffff
)
+
rphys
-
phys
:
cg14_mmap_map
[
i
].
poff
;
fb
->
mmap_map
[
i
].
size
=
cg14_mmap_map
[
i
].
size
;
if
(
is_8mb
&&
fb
->
mmap_map
[
i
].
size
>=
0x100000
&&
fb
->
mmap_map
[
i
].
size
<=
0x400000
)
fb
->
mmap_map
[
i
].
size
<<=
1
;
if
(
!
cg14_mmap_map
[
i
].
size
)
prom_getproperty
(
node
,
"reg"
,
(
char
*
)
&
bases
[
0
],
sizeof
(
bases
));
is_8mb
=
(
bases
[
5
]
==
0x800000
);
if
(
sizeof
(
all
->
par
.
mmap_map
)
!=
sizeof
(
__cg14_mmap_map
))
{
extern
void
__cg14_mmap_sized_wrongly
(
void
);
__cg14_mmap_sized_wrongly
();
}
memcpy
(
&
all
->
par
.
mmap_map
,
&
__cg14_mmap_map
,
sizeof
(
all
->
par
.
mmap_map
));
for
(
i
=
0
;
i
<
CG14_MMAP_ENTRIES
;
i
++
)
{
struct
sbus_mmap_map
*
map
=
&
all
->
par
.
mmap_map
[
i
];
if
(
!
map
->
size
)
break
;
if
(
map
->
poff
&
0x80000000
)
map
->
poff
=
(
map
->
poff
&
0x7fffffff
)
+
rphys
-
phys
;
if
(
is_8mb
&&
map
->
size
>=
0x100000
&&
map
->
size
<=
0x400000
)
map
->
size
*=
2
;
}
strcpy
(
fb
->
info
.
modename
,
"CGfourteen"
);
strcpy
(
fix
->
id
,
"CGfourteen"
);
fix
->
line_length
=
fb
->
info
.
var
.
xres_virtual
;
fix
->
accel
=
FB_ACCEL_SUN_CG14
;
disp
->
scrollmode
=
SCROLL_YREDRAW
;
fb
->
info
.
screen_base
+=
fix
->
line_length
*
fb
->
y_margin
+
fb
->
x_margin
;
fb
->
dispsw
=
fbcon_cfb8
;
type
->
fb_depth
=
24
;
fb
->
emulations
[
1
]
=
FBTYPE_SUN3COLOR
;
fb
->
margins
=
cg14_margins
;
fb
->
loadcmap
=
cg14_loadcmap
;
fb
->
setcursor
=
cg14_setcursor
;
fb
->
setcursormap
=
cg14_setcursormap
;
fb
->
setcurshape
=
cg14_setcurshape
;
fb
->
reset
=
cg14_reset
;
fb
->
switch_from_graph
=
cg14_switch_from_graph
;
fb
->
ioctl
=
cg14_ioctl
;
fb
->
s
.
cg14
.
mode
=
8
;
fb
->
s
.
cg14
.
ramsize
=
(
is_8mb
)
?
0x800000
:
0x400000
;
cg14_reset
(
fb
);
sprintf
(
idstring
,
"cgfourteen at %x.%08lx, %dMB, rev=%d, impl=%d"
,
fb
->
iospace
,
phys
,
is_8mb
?
8
:
4
,
fb
->
s
.
cg14
.
regs
->
rev
>>
4
,
fb
->
s
.
cg14
.
regs
->
rev
&
0xf
);
return
idstring
;
all
->
par
.
mode
=
MDI_8_PIX
;
all
->
par
.
ramsize
=
(
is_8mb
?
0x800000
:
0x400000
);
all
->
info
.
node
=
NODEV
;
all
->
info
.
flags
=
FBINFO_FLAG_DEFAULT
;
all
->
info
.
fbops
=
&
cg14_ops
;
all
->
info
.
currcon
=
-
1
;
all
->
info
.
par
=
&
all
->
par
;
__cg14_reset
(
&
all
->
par
);
if
(
fb_alloc_cmap
(
&
all
->
info
.
cmap
,
256
,
0
))
{
printk
(
KERN_ERR
"cg14: Could not allocate color map.
\n
"
);
kfree
(
all
);
return
;
}
cg14_set_par
(
&
all
->
info
);
cg14_init_fix
(
&
all
->
info
,
linebytes
);
if
(
register_framebuffer
(
&
all
->
info
)
<
0
)
{
printk
(
KERN_ERR
"cg14: Could not register framebuffer.
\n
"
);
fb_dealloc_cmap
(
&
all
->
info
.
cmap
);
kfree
(
all
);
return
;
}
list_add
(
&
all
->
list
,
&
cg14_list
);
printk
(
"cg14: cgfourteen at %lx:%lx
\n
"
,
all
->
par
.
physbase
,
all
->
par
.
iospace
);
}
int
__init
cg14_init
(
void
)
{
struct
sbus_bus
*
sbus
;
struct
sbus_dev
*
sdev
;
#ifdef CONFIG_SPARC32
{
int
root
,
node
;
root
=
prom_getchild
(
prom_root_node
);
root
=
prom_searchsiblings
(
root
,
"obio"
);
if
(
root
)
{
node
=
prom_searchsiblings
(
prom_getchild
(
root
),
"cgfourteen"
);
if
(
node
)
cg14_init_one
(
NULL
,
node
,
root
);
}
}
#endif
for_all_sbusdev
(
sdev
,
sbus
)
{
if
(
!
strcmp
(
sdev
->
prom_name
,
"cgfourteen"
))
cg14_init_one
(
sdev
,
sdev
->
prom_node
,
sbus
->
prom_node
);
}
return
0
;
}
void
__exit
cg14_exit
(
void
)
{
struct
list_head
*
pos
,
*
tmp
;
list_for_each_safe
(
pos
,
tmp
,
&
cg14_list
)
{
struct
all_info
*
all
=
list_entry
(
pos
,
typeof
(
*
all
),
list
);
unregister_framebuffer
(
&
all
->
info
);
fb_dealloc_cmap
(
&
all
->
info
.
cmap
);
kfree
(
all
);
}
}
int
__init
cg14_setup
(
char
*
arg
)
{
/* No cmdline options yet... */
return
0
;
}
#ifdef MODULE
module_init
(
cg14_init
);
module_exit
(
cg14_exit
);
#endif
MODULE_DESCRIPTION
(
"framebuffer driver for CGfourteen chipsets"
);
MODULE_AUTHOR
(
"David S. Miller <davem@redhat.com>"
);
MODULE_LICENSE
(
"GPL"
);
drivers/video/fbmem.c
View file @
67bf3c24
...
...
@@ -152,6 +152,8 @@ extern int cg3_init(void);
extern
int
cg3_setup
(
char
*
);
extern
int
bw2_init
(
void
);
extern
int
bw2_setup
(
char
*
);
extern
int
cg14_init
(
void
);
extern
int
cg14_setup
(
char
*
);
static
struct
{
const
char
*
name
;
...
...
@@ -255,6 +257,9 @@ static struct {
#ifdef CONFIG_FB_BW2
{
"bw2"
,
bw2_init
,
bw2_setup
},
#endif
#ifdef CONFIG_FB_CG14
{
"cg14"
,
cg14_init
,
cg14_setup
},
#endif
/*
* Generic drivers that are used as fallbacks
...
...
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