Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
L
linux
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Kirill Smelkov
linux
Commits
e3608581
Commit
e3608581
authored
Jan 16, 2003
by
Russell King
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
[ARM] Update acornfb for new fbcon layer.
parent
e1aada59
Changes
2
Show whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
149 additions
and
447 deletions
+149
-447
drivers/video/Makefile
drivers/video/Makefile
+1
-1
drivers/video/acornfb.c
drivers/video/acornfb.c
+148
-446
No files found.
drivers/video/Makefile
View file @
e3608581
...
@@ -18,7 +18,7 @@ ifeq ($(CONFIG_FB),y)
...
@@ -18,7 +18,7 @@ ifeq ($(CONFIG_FB),y)
obj-$(CONFIG_PPC)
+=
macmodes.o
obj-$(CONFIG_PPC)
+=
macmodes.o
endif
endif
obj-$(CONFIG_FB_ACORN)
+=
acornfb.o
obj-$(CONFIG_FB_ACORN)
+=
acornfb.o
cfbfillrect.o cfbcopyarea.o cfbimgblt.o
obj-$(CONFIG_FB_AMIGA)
+=
amifb.o
obj-$(CONFIG_FB_AMIGA)
+=
amifb.o
obj-$(CONFIG_FB_PM2)
+=
pm2fb.o
obj-$(CONFIG_FB_PM2)
+=
pm2fb.o
obj-$(CONFIG_FB_PM3)
+=
pm3fb.o
obj-$(CONFIG_FB_PM3)
+=
pm3fb.o
...
...
drivers/video/acornfb.c
View file @
e3608581
...
@@ -12,6 +12,9 @@
...
@@ -12,6 +12,9 @@
* NOTE: Most of the modes with X!=640 will disappear shortly.
* NOTE: Most of the modes with X!=640 will disappear shortly.
* NOTE: Startup setting of HS & VS polarity not supported.
* NOTE: Startup setting of HS & VS polarity not supported.
* (do we need to support it if we're coming up in 640x480?)
* (do we need to support it if we're coming up in 640x480?)
*
* FIXME: (things broken by the "new improved" FBCON API)
* - Blanking 8bpp displays with VIDC
*/
*/
#include <linux/config.h>
#include <linux/config.h>
...
@@ -33,14 +36,6 @@
...
@@ -33,14 +36,6 @@
#include <asm/mach-types.h>
#include <asm/mach-types.h>
#include <asm/uaccess.h>
#include <asm/uaccess.h>
#include <video/fbcon.h>
#include <video/fbcon-mfb.h>
#include <video/fbcon-cfb2.h>
#include <video/fbcon-cfb4.h>
#include <video/fbcon-cfb8.h>
#include <video/fbcon-cfb16.h>
#include <video/fbcon-cfb32.h>
#include "acornfb.h"
#include "acornfb.h"
/*
/*
...
@@ -58,25 +53,7 @@
...
@@ -58,25 +53,7 @@
*/
*/
#define DEFAULT_XRES 640
#define DEFAULT_XRES 640
#define DEFAULT_YRES 480
#define DEFAULT_YRES 480
/*
#define DEFAULT_BPP 4
* The order here defines which BPP we
* pick depending on which resolutions
* we have configured.
*/
#if defined(FBCON_HAS_CFB4)
# define DEFAULT_BPP 4
#elif defined(FBCON_HAS_CFB8)
# define DEFAULT_BPP 8
#elif defined(FBCON_HAS_CFB16)
# define DEFAULT_BPP 16
#elif defined(FBCON_HAS_CFB2)
# define DEFAULT_BPP 2
#elif defined(FBCON_HAS_MFB)
# define DEFAULT_BPP 1
#else
#error No suitable framebuffers configured
#endif
/*
/*
* define this to debug the video mode selection
* define this to debug the video mode selection
...
@@ -99,13 +76,10 @@ static struct fb_monspecs monspecs[NR_MONTYPES] __initdata = {
...
@@ -99,13 +76,10 @@ static struct fb_monspecs monspecs[NR_MONTYPES] __initdata = {
{
30000
,
70000
,
60
,
60
,
0
}
{
30000
,
70000
,
60
,
60
,
0
}
};
};
static
struct
display
global_disp
;
static
struct
fb_info
fb_info
;
static
struct
fb_info
fb_info
;
static
struct
acornfb_par
current_par
;
static
struct
acornfb_par
current_par
;
static
struct
vidc_timing
current_vidc
;
static
struct
vidc_timing
current_vidc
;
static
struct
fb_var_screeninfo
__initdata
init_var
=
{};
extern
int
acornfb_depth
;
/* set by setup.c */
extern
unsigned
int
vram_size
;
/* set by setup.c */
extern
unsigned
int
vram_size
;
/* set by setup.c */
#ifdef HAS_VIDC
#ifdef HAS_VIDC
...
@@ -333,34 +307,26 @@ acornfb_set_timing(struct fb_var_screeninfo *var)
...
@@ -333,34 +307,26 @@ acornfb_set_timing(struct fb_var_screeninfo *var)
#endif
#endif
}
}
static
inline
void
static
int
acornfb_palette_write
(
u_int
regno
,
union
palette
pal
)
acornfb_setcolreg
(
u_int
regno
,
u_int
red
,
u_int
green
,
u_int
blue
,
{
u_int
trans
,
struct
fb_info
*
info
)
vidc_writel
(
pal
.
p
);
}
static
inline
union
palette
acornfb_palette_encode
(
u_int
regno
,
u_int
red
,
u_int
green
,
u_int
blue
,
u_int
trans
)
{
{
union
palette
pal
;
union
palette
pal
;
if
(
regno
>=
current_par
.
palette_size
)
return
1
;
pal
.
p
=
0
;
pal
.
p
=
0
;
pal
.
vidc
.
reg
=
regno
;
pal
.
vidc
.
reg
=
regno
;
pal
.
vidc
.
red
=
red
>>
12
;
pal
.
vidc
.
red
=
red
>>
12
;
pal
.
vidc
.
green
=
green
>>
12
;
pal
.
vidc
.
green
=
green
>>
12
;
pal
.
vidc
.
blue
=
blue
>>
12
;
pal
.
vidc
.
blue
=
blue
>>
12
;
return
pal
;
}
static
void
current_par
.
palette
[
regno
]
=
pal
;
acornfb_palette_decode
(
u_int
regno
,
u_int
*
red
,
u_int
*
green
,
u_int
*
blue
,
u_int
*
trans
)
vidc_writel
(
pal
.
p
);
{
*
red
=
EXTEND4
(
current_par
.
palette
[
regno
].
vidc
.
red
);
return
0
;
*
green
=
EXTEND4
(
current_par
.
palette
[
regno
].
vidc
.
green
);
*
blue
=
EXTEND4
(
current_par
.
palette
[
regno
].
vidc
.
blue
);
*
trans
=
current_par
.
palette
[
regno
].
vidc
.
trans
?
-
1
:
0
;
}
}
#endif
#endif
...
@@ -513,34 +479,66 @@ acornfb_set_timing(struct fb_info *info, struct fb_var_screeninfo *var)
...
@@ -513,34 +479,66 @@ acornfb_set_timing(struct fb_info *info, struct fb_var_screeninfo *var)
#endif
#endif
}
}
static
inline
void
/*
acornfb_palette_write
(
u_int
regno
,
union
palette
pal
)
* We have to take note of the VIDC20's 16-bit palette here.
{
* The VIDC20 looks up a 16 bit pixel as follows:
vidc_writel
(
0x10000000
|
regno
);
*
vidc_writel
(
pal
.
p
);
* bits 111111
}
* 5432109876543210
* red ++++++++ (8 bits, 7 to 0)
static
inline
union
palette
* green ++++++++ (8 bits, 11 to 4)
acornfb_palette_encode
(
u_int
regno
,
u_int
red
,
u_int
green
,
u_int
blue
,
* blue ++++++++ (8 bits, 15 to 8)
u_int
trans
)
*
* We use a pixel which looks like:
*
* bits 111111
* 5432109876543210
* red +++++ (5 bits, 4 to 0)
* green +++++ (5 bits, 9 to 5)
* blue +++++ (5 bits, 14 to 10)
*/
static
int
acornfb_setcolreg
(
u_int
regno
,
u_int
red
,
u_int
green
,
u_int
blue
,
u_int
trans
,
struct
fb_info
*
info
)
{
{
union
palette
pal
;
union
palette
pal
;
int
bpp
=
info
->
var
.
bits_per_pixel
;
if
(
regno
>=
current_par
.
palette_size
)
return
1
;
pal
.
p
=
0
;
pal
.
p
=
0
;
pal
.
vidc20
.
red
=
red
>>
8
;
pal
.
vidc20
.
red
=
red
>>
8
;
pal
.
vidc20
.
green
=
green
>>
8
;
pal
.
vidc20
.
green
=
green
>>
8
;
pal
.
vidc20
.
blue
=
blue
>>
8
;
pal
.
vidc20
.
blue
=
blue
>>
8
;
return
pal
;
}
static
void
current_par
.
palette
[
regno
]
=
pal
;
acornfb_palette_decode
(
u_int
regno
,
u_int
*
red
,
u_int
*
green
,
u_int
*
blue
,
u_int
*
trans
)
if
(
bpp
==
32
&&
regno
<
16
)
{
{
current_par
.
cmap
.
cfb32
[
regno
]
=
*
red
=
EXTEND8
(
current_par
.
palette
[
regno
].
vidc20
.
red
);
regno
|
regno
<<
8
|
regno
<<
16
;
*
green
=
EXTEND8
(
current_par
.
palette
[
regno
].
vidc20
.
green
);
}
*
blue
=
EXTEND8
(
current_par
.
palette
[
regno
].
vidc20
.
blue
);
if
(
bpp
==
16
&&
regno
<
16
)
{
*
trans
=
EXTEND4
(
current_par
.
palette
[
regno
].
vidc20
.
ext
);
int
i
;
current_par
.
cmap
.
cfb16
[
regno
]
=
regno
|
regno
<<
5
|
regno
<<
10
;
pal
.
p
=
0
;
vidc_writel
(
0x10000000
);
for
(
i
=
0
;
i
<
256
;
i
+=
1
)
{
pal
.
vidc20
.
red
=
current_par
.
palette
[
i
&
31
].
vidc20
.
red
;
pal
.
vidc20
.
green
=
current_par
.
palette
[(
i
>>
1
)
&
31
].
vidc20
.
green
;
pal
.
vidc20
.
blue
=
current_par
.
palette
[(
i
>>
2
)
&
31
].
vidc20
.
blue
;
vidc_writel
(
pal
.
p
);
/* Palette register pointer auto-increments */
}
}
else
{
vidc_writel
(
0x10000000
|
regno
);
vidc_writel
(
pal
.
p
);
}
return
0
;
}
}
#endif
#endif
...
@@ -549,12 +547,9 @@ acornfb_palette_decode(u_int regno, u_int *red, u_int *green, u_int *blue,
...
@@ -549,12 +547,9 @@ acornfb_palette_decode(u_int regno, u_int *red, u_int *green, u_int *blue,
* the resolution to fit the rules.
* the resolution to fit the rules.
*/
*/
static
int
static
int
acornfb_adjust_timing
(
struct
fb_info
*
info
,
struct
fb_var_screeninfo
*
var
,
int
con
)
acornfb_adjust_timing
(
struct
fb_info
*
info
,
struct
fb_var_screeninfo
*
var
,
u_int
fontht
)
{
{
u_int
font_line_len
;
u_int
font_line_len
,
sam_size
,
min_size
,
size
,
nr_y
;
u_int
fontht
;
u_int
sam_size
,
min_size
,
size
;
u_int
nr_y
;
/* xres must be even */
/* xres must be even */
var
->
xres
=
(
var
->
xres
+
1
)
&
~
1
;
var
->
xres
=
(
var
->
xres
+
1
)
&
~
1
;
...
@@ -565,17 +560,6 @@ acornfb_adjust_timing(struct fb_info *info, struct fb_var_screeninfo *var, int c
...
@@ -565,17 +560,6 @@ acornfb_adjust_timing(struct fb_info *info, struct fb_var_screeninfo *var, int c
var
->
xres_virtual
=
var
->
xres
;
var
->
xres_virtual
=
var
->
xres
;
var
->
xoffset
=
0
;
var
->
xoffset
=
0
;
/*
* Find the font height
*/
if
(
con
==
-
1
)
fontht
=
fontheight
(
&
global_disp
);
else
fontht
=
fontheight
(
fb_display
+
con
);
if
(
fontht
==
0
)
fontht
=
8
;
if
(
current_par
.
using_vram
)
if
(
current_par
.
using_vram
)
sam_size
=
current_par
.
vram_half_sam
*
2
;
sam_size
=
current_par
.
vram_half_sam
*
2
;
else
else
...
@@ -693,7 +677,7 @@ acornfb_validate_timing(struct fb_var_screeninfo *var,
...
@@ -693,7 +677,7 @@ acornfb_validate_timing(struct fb_var_screeninfo *var,
static
inline
void
static
inline
void
acornfb_update_dma
(
struct
fb_info
*
info
,
struct
fb_var_screeninfo
*
var
)
acornfb_update_dma
(
struct
fb_info
*
info
,
struct
fb_var_screeninfo
*
var
)
{
{
int
off
=
(
var
->
yoffset
*
var
->
xres_virtual
*
u_
int
off
=
(
var
->
yoffset
*
var
->
xres_virtual
*
var
->
bits_per_pixel
)
>>
3
;
var
->
bits_per_pixel
)
>>
3
;
#if defined(HAS_MEMC)
#if defined(HAS_MEMC)
...
@@ -704,130 +688,27 @@ acornfb_update_dma(struct fb_info *info, struct fb_var_screeninfo *var)
...
@@ -704,130 +688,27 @@ acornfb_update_dma(struct fb_info *info, struct fb_var_screeninfo *var)
}
}
static
int
static
int
acornfb_getcolreg
(
u_int
regno
,
u_int
*
red
,
u_int
*
green
,
u_int
*
blue
,
acornfb_check_var
(
struct
fb_var_screeninfo
*
var
,
struct
fb_info
*
info
)
u_int
*
trans
,
struct
fb_info
*
info
)
{
{
if
(
regno
>=
current_par
.
palette_size
)
u_int
fontht
;
return
1
;
int
err
;
acornfb_palette_decode
(
regno
,
red
,
green
,
blue
,
trans
);
return
0
;
}
/*
/*
* We have to take note of the VIDC20's 16-bit palette here.
* FIXME: Find the font height
* The VIDC20 looks up a 16 bit pixel as follows:
*
* bits 111111
* 5432109876543210
* red ++++++++ (8 bits, 7 to 0)
* green ++++++++ (8 bits, 11 to 4)
* blue ++++++++ (8 bits, 15 to 8)
*
* We use a pixel which looks like:
*
* bits 111111
* 5432109876543210
* red +++++ (5 bits, 4 to 0)
* green +++++ (5 bits, 9 to 5)
* blue +++++ (5 bits, 14 to 10)
*/
*/
static
int
fontht
=
8
;
acornfb_setcolreg
(
u_int
regno
,
u_int
red
,
u_int
green
,
u_int
blue
,
u_int
trans
,
struct
fb_info
*
info
)
{
union
palette
pal
;
int
bpp
=
fb_display
[
info
->
currcon
].
var
.
bits_per_pixel
;
if
(
regno
>=
current_par
.
palette_size
)
return
1
;
pal
=
acornfb_palette_encode
(
regno
,
red
,
green
,
blue
,
trans
);
current_par
.
palette
[
regno
]
=
pal
;
#ifdef FBCON_HAS_CFB32
if
(
bpp
==
32
&&
regno
<
16
)
{
current_par
.
cmap
.
cfb32
[
regno
]
=
regno
|
regno
<<
8
|
regno
<<
16
;
}
#endif
#ifdef FBCON_HAS_CFB16
if
(
bpp
==
16
&&
regno
<
16
)
{
int
i
;
current_par
.
cmap
.
cfb16
[
regno
]
=
regno
|
regno
<<
5
|
regno
<<
10
;
pal
.
p
=
0
;
vidc_writel
(
0x10000000
);
for
(
i
=
0
;
i
<
256
;
i
+=
1
)
{
pal
.
vidc20
.
red
=
current_par
.
palette
[
i
&
31
].
vidc20
.
red
;
pal
.
vidc20
.
green
=
current_par
.
palette
[(
i
>>
1
)
&
31
].
vidc20
.
green
;
pal
.
vidc20
.
blue
=
current_par
.
palette
[(
i
>>
2
)
&
31
].
vidc20
.
blue
;
vidc_writel
(
pal
.
p
);
/* Palette register pointer auto-increments */
}
}
else
#endif
acornfb_palette_write
(
regno
,
pal
);
return
0
;
}
static
int
acornfb_get_cmap
(
struct
fb_cmap
*
cmap
,
int
kspc
,
int
con
,
struct
fb_info
*
info
)
{
int
err
=
0
;
if
(
con
==
info
->
currcon
)
err
=
fb_get_cmap
(
cmap
,
kspc
,
acornfb_getcolreg
,
info
);
else
if
(
fb_display
[
con
].
cmap
.
len
)
fb_copy_cmap
(
&
fb_display
[
con
].
cmap
,
cmap
,
kspc
?
0
:
2
);
else
fb_copy_cmap
(
fb_default_cmap
(
current_par
.
palette_size
),
cmap
,
kspc
?
0
:
2
);
return
err
;
}
static
int
acornfb_decode_var
(
struct
fb_info
*
info
,
struct
fb_var_screeninfo
*
var
,
int
con
)
{
int
err
;
#if defined(HAS_VIDC20)
switch
(
var
->
bits_per_pixel
)
{
case
1
:
case
2
:
case
4
:
case
8
:
var
->
red
.
offset
=
0
;
var
->
red
.
offset
=
0
;
var
->
red
.
length
=
8
;
var
->
red
.
length
=
var
->
bits_per_pixel
;
var
->
green
=
var
->
red
;
var
->
green
=
var
->
red
;
var
->
blue
=
var
->
red
;
var
->
blue
=
var
->
red
;
var
->
transp
.
offset
=
0
;
var
->
transp
.
offset
=
0
;
var
->
transp
.
length
=
4
;
var
->
transp
.
length
=
0
;
#elif defined(HAS_VIDC)
var
->
red
.
length
=
4
;
var
->
green
=
var
->
red
;
var
->
blue
=
var
->
red
;
var
->
transp
.
length
=
1
;
#endif
switch
(
var
->
bits_per_pixel
)
{
#ifdef FBCON_HAS_MFB
case
1
:
break
;
#endif
#ifdef FBCON_HAS_CFB2
case
2
:
break
;
#endif
#ifdef FBCON_HAS_CFB4
case
4
:
break
;
break
;
#endif
#ifdef FBCON_HAS_CFB8
#ifdef HAS_VIDC20
case
8
:
break
;
#endif
#ifdef FBCON_HAS_CFB16
case
16
:
case
16
:
var
->
red
.
offset
=
0
;
var
->
red
.
offset
=
0
;
var
->
red
.
length
=
5
;
var
->
red
.
length
=
5
;
...
@@ -838,8 +719,7 @@ acornfb_decode_var(struct fb_info *info, struct fb_var_screeninfo *var, int con)
...
@@ -838,8 +719,7 @@ acornfb_decode_var(struct fb_info *info, struct fb_var_screeninfo *var, int con)
var
->
transp
.
offset
=
15
;
var
->
transp
.
offset
=
15
;
var
->
transp
.
length
=
1
;
var
->
transp
.
length
=
1
;
break
;
break
;
#endif
#ifdef FBCON_HAS_CFB32
case
32
:
case
32
:
var
->
red
.
offset
=
0
;
var
->
red
.
offset
=
0
;
var
->
red
.
length
=
8
;
var
->
red
.
length
=
8
;
...
@@ -865,7 +745,7 @@ acornfb_decode_var(struct fb_info *info, struct fb_var_screeninfo *var, int con)
...
@@ -865,7 +745,7 @@ acornfb_decode_var(struct fb_info *info, struct fb_var_screeninfo *var, int con)
* Validate and adjust the resolution to
* Validate and adjust the resolution to
* match the video generator hardware.
* match the video generator hardware.
*/
*/
err
=
acornfb_adjust_timing
(
info
,
var
,
con
);
err
=
acornfb_adjust_timing
(
info
,
var
,
fontht
);
if
(
err
)
if
(
err
)
return
err
;
return
err
;
...
@@ -873,137 +753,61 @@ acornfb_decode_var(struct fb_info *info, struct fb_var_screeninfo *var, int con)
...
@@ -873,137 +753,61 @@ acornfb_decode_var(struct fb_info *info, struct fb_var_screeninfo *var, int con)
* Validate the timing against the
* Validate the timing against the
* monitor hardware.
* monitor hardware.
*/
*/
return
acornfb_validate_timing
(
var
,
&
fb_info
.
monspecs
);
return
acornfb_validate_timing
(
var
,
&
info
->
monspecs
);
}
}
static
int
static
int
acornfb_set_par
(
struct
fb_info
*
info
)
acornfb_set_var
(
struct
fb_var_screeninfo
*
var
,
int
con
,
struct
fb_info
*
info
)
{
{
struct
display
*
display
;
switch
(
info
->
var
.
bits_per_pixel
)
{
unsigned
int
visual
,
chgvar
=
0
;
int
err
;
if
(
con
>=
0
)
display
=
fb_display
+
con
;
else
display
=
&
global_disp
;
err
=
acornfb_decode_var
(
info
,
var
,
con
);
if
(
err
)
return
err
;
switch
(
var
->
activate
&
FB_ACTIVATE_MASK
)
{
case
FB_ACTIVATE_TEST
:
return
0
;
case
FB_ACTIVATE_NXTOPEN
:
case
FB_ACTIVATE_NOW
:
break
;
default:
return
-
EINVAL
;
}
if
(
con
>=
0
)
{
if
(
display
->
var
.
xres
!=
var
->
xres
)
chgvar
=
1
;
if
(
display
->
var
.
yres
!=
var
->
yres
)
chgvar
=
1
;
if
(
display
->
var
.
xres_virtual
!=
var
->
xres_virtual
)
chgvar
=
1
;
if
(
display
->
var
.
yres_virtual
!=
var
->
yres_virtual
)
chgvar
=
1
;
if
(
memcmp
(
&
display
->
var
.
red
,
&
var
->
red
,
sizeof
(
var
->
red
)))
chgvar
=
1
;
if
(
memcmp
(
&
display
->
var
.
green
,
&
var
->
green
,
sizeof
(
var
->
green
)))
chgvar
=
1
;
if
(
memcmp
(
&
display
->
var
.
blue
,
&
var
->
blue
,
sizeof
(
var
->
blue
)))
chgvar
=
1
;
}
display
->
var
=
*
var
;
display
->
var
.
activate
&=
~
FB_ACTIVATE_ALL
;
if
(
var
->
activate
&
FB_ACTIVATE_ALL
)
global_disp
.
var
=
display
->
var
;
switch
(
display
->
var
.
bits_per_pixel
)
{
#ifdef FBCON_HAS_MFB
case
1
:
case
1
:
current_par
.
palette_size
=
2
;
current_par
.
palette_size
=
2
;
display
->
dispsw
=
&
fbcon_mfb
;
info
->
fix
.
visual
=
FB_VISUAL_MONO10
;
visual
=
FB_VISUAL_MONO10
;
break
;
break
;
#endif
#ifdef FBCON_HAS_CFB2
case
2
:
case
2
:
current_par
.
palette_size
=
4
;
current_par
.
palette_size
=
4
;
display
->
dispsw
=
&
fbcon_cfb2
;
info
->
fix
.
visual
=
FB_VISUAL_PSEUDOCOLOR
;
visual
=
FB_VISUAL_PSEUDOCOLOR
;
break
;
break
;
#endif
#ifdef FBCON_HAS_CFB4
case
4
:
case
4
:
current_par
.
palette_size
=
16
;
current_par
.
palette_size
=
16
;
display
->
dispsw
=
&
fbcon_cfb4
;
info
->
fix
.
visual
=
FB_VISUAL_PSEUDOCOLOR
;
visual
=
FB_VISUAL_PSEUDOCOLOR
;
break
;
break
;
#endif
#ifdef FBCON_HAS_CFB8
case
8
:
case
8
:
current_par
.
palette_size
=
VIDC_PALETTE_SIZE
;
current_par
.
palette_size
=
VIDC_PALETTE_SIZE
;
display
->
dispsw
=
&
fbcon_cfb8
;
#ifdef HAS_VIDC
#ifdef HAS_VIDC
visual
=
FB_VISUAL_STATIC_PSEUDOCOLOR
;
info
->
fix
.
visual
=
FB_VISUAL_STATIC_PSEUDOCOLOR
;
#else
#else
visual
=
FB_VISUAL_PSEUDOCOLOR
;
info
->
fix
.
visual
=
FB_VISUAL_PSEUDOCOLOR
;
#endif
#endif
break
;
break
;
#endif
#ifdef HAS_VIDC20
#ifdef FBCON_HAS_CFB16
case
16
:
case
16
:
current_par
.
palette_size
=
32
;
current_par
.
palette_size
=
32
;
display
->
dispsw
=
&
fbcon_cfb16
;
info
->
pseudo_palette
=
current_par
.
cmap
.
cfb16
;
display
->
dispsw_data
=
current_par
.
cmap
.
cfb16
;
info
->
fix
.
visual
=
FB_VISUAL_DIRECTCOLOR
;
visual
=
FB_VISUAL_DIRECTCOLOR
;
break
;
break
;
#endif
#ifdef FBCON_HAS_CFB32
case
32
:
case
32
:
current_par
.
palette_size
=
VIDC_PALETTE_SIZE
;
current_par
.
palette_size
=
VIDC_PALETTE_SIZE
;
display
->
dispsw
=
&
fbcon_cfb32
;
info
->
pseudo_palette
=
current_par
.
cmap
.
cfb32
;
display
->
dispsw_data
=
current_par
.
cmap
.
cfb32
;
info
->
fix
.
visual
=
FB_VISUAL_TRUECOLOR
;
visual
=
FB_VISUAL_TRUECOLOR
;
break
;
break
;
#endif
#endif
default:
default:
display
->
dispsw
=
&
fbcon_dummy
;
BUG
();
visual
=
FB_VISUAL_MONO10
;
break
;
}
}
display
->
next_line
=
(
var
->
xres
*
var
->
bits_per_pixel
)
/
8
;
info
->
fix
.
line_length
=
(
info
->
var
.
xres
*
info
->
var
.
bits_per_pixel
)
/
8
;
display
->
can_soft_blank
=
visual
==
FB_VISUAL_PSEUDOCOLOR
?
1
:
0
;
display
->
inverse
=
0
;
if
(
chgvar
&&
info
&&
info
->
changevar
)
info
->
changevar
(
con
);
if
(
con
==
info
->
currcon
)
{
struct
fb_cmap
*
cmap
;
unsigned
long
start
,
size
;
int
control
;
info
->
fix
.
visual
=
visual
;
#if defined(HAS_MEMC)
#if defined(HAS_MEMC)
start
=
0
;
{
size
=
info
->
fix
.
smem_len
-
VDMA_XFERSIZE
;
unsigned
long
size
=
info
->
fix
.
smem_len
-
VDMA_XFERSIZE
;
control
=
0
;
memc_write
(
VDMA_START
,
start
);
memc_write
(
VDMA_START
,
0
);
memc_write
(
VDMA_END
,
size
>>
2
);
memc_write
(
VDMA_END
,
size
>>
2
);
}
#elif defined(HAS_IOMD)
#elif defined(HAS_IOMD)
{
unsigned
long
start
,
size
;
u_int
control
;
start
=
info
->
fix
.
smem_start
;
start
=
info
->
fix
.
smem_start
;
size
=
current_par
.
screen_end
;
size
=
current_par
.
screen_end
;
...
@@ -1019,80 +823,27 @@ acornfb_set_var(struct fb_var_screeninfo *var, int con, struct fb_info *info)
...
@@ -1019,80 +823,27 @@ acornfb_set_var(struct fb_var_screeninfo *var, int con, struct fb_info *info)
iomd_writel
(
start
,
IOMD_VIDSTART
);
iomd_writel
(
start
,
IOMD_VIDSTART
);
iomd_writel
(
size
,
IOMD_VIDEND
);
iomd_writel
(
size
,
IOMD_VIDEND
);
iomd_writel
(
control
,
IOMD_VIDCR
);
iomd_writel
(
control
,
IOMD_VIDCR
);
}
#endif
#endif
acornfb_update_dma
(
info
,
var
);
acornfb_set_timing
(
info
,
var
);
if
(
display
->
cmap
.
len
)
acornfb_update_dma
(
info
,
&
info
->
var
);
cmap
=
&
display
->
cmap
;
acornfb_set_timing
(
info
,
&
info
->
var
);
else
cmap
=
fb_default_cmap
(
current_par
.
palette_size
);
fb_set_cmap
(
cmap
,
1
,
info
);
}
return
0
;
return
0
;
}
}
static
int
static
int
acornfb_pan_display
(
struct
fb_var_screeninfo
*
var
,
int
con
,
acornfb_pan_display
(
struct
fb_var_screeninfo
*
var
,
struct
fb_info
*
info
)
struct
fb_info
*
info
)
{
{
u_int
y_bottom
;
u_int
y_bottom
=
var
->
yoffset
;
if
(
var
->
xoffset
)
return
-
EINVAL
;
y_bottom
=
var
->
yoffset
;
if
(
!
(
var
->
vmode
&
FB_VMODE_YWRAP
))
if
(
!
(
var
->
vmode
&
FB_VMODE_YWRAP
))
y_bottom
+=
var
->
yres
;
y_bottom
+=
var
->
yres
;
if
(
y_bottom
>
fb_display
[
con
].
var
.
yres_virtual
)
BUG_ON
(
y_bottom
>
var
->
yres_virtual
);
return
-
EINVAL
;
acornfb_update_dma
(
info
,
var
);
acornfb_update_dma
(
info
,
var
);
fb_display
[
con
].
var
.
yoffset
=
var
->
yoffset
;
if
(
var
->
vmode
&
FB_VMODE_YWRAP
)
fb_display
[
con
].
var
.
vmode
|=
FB_VMODE_YWRAP
;
else
fb_display
[
con
].
var
.
vmode
&=
~
FB_VMODE_YWRAP
;
return
0
;
}
static
int
acornfb_blank
(
int
blank
,
struct
fb_info
*
info
)
{
union
palette
p
;
int
i
,
bpp
=
fb_display
[
info
->
currcon
].
var
.
bits_per_pixel
;
#ifdef FBCON_HAS_CFB16
if
(
bpp
==
16
)
{
p
.
p
=
0
;
for
(
i
=
0
;
i
<
256
;
i
++
)
{
if
(
blank
)
p
=
acornfb_palette_encode
(
i
,
0
,
0
,
0
,
0
);
else
{
p
.
vidc20
.
red
=
current_par
.
palette
[
i
&
31
].
vidc20
.
red
;
p
.
vidc20
.
green
=
current_par
.
palette
[(
i
>>
1
)
&
31
].
vidc20
.
green
;
p
.
vidc20
.
blue
=
current_par
.
palette
[(
i
>>
2
)
&
31
].
vidc20
.
blue
;
}
acornfb_palette_write
(
i
,
current_par
.
palette
[
i
]);
}
}
else
#endif
{
for
(
i
=
0
;
i
<
current_par
.
palette_size
;
i
++
)
{
if
(
blank
)
p
=
acornfb_palette_encode
(
i
,
0
,
0
,
0
,
0
);
else
p
=
current_par
.
palette
[
i
];
acornfb_palette_write
(
i
,
p
);
}
}
return
0
;
return
0
;
}
}
...
@@ -1137,45 +888,16 @@ acornfb_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma
...
@@ -1137,45 +888,16 @@ acornfb_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma
static
struct
fb_ops
acornfb_ops
=
{
static
struct
fb_ops
acornfb_ops
=
{
.
owner
=
THIS_MODULE
,
.
owner
=
THIS_MODULE
,
.
fb_set_var
=
acornfb_set_var
,
.
fb_check_var
=
acornfb_check_var
,
.
fb_get_cmap
=
acornfb_get_cmap
,
.
fb_set_par
=
acornfb_set_par
,
.
fb_set_cmap
=
gen_set_cmap
,
.
fb_setcolreg
=
acornfb_setcolreg
,
.
fb_setcolreg
=
acornfb_setcolreg
,
.
fb_pan_display
=
acornfb_pan_display
,
.
fb_pan_display
=
acornfb_pan_display
,
.
fb_blank
=
acornfb_blank
,
.
fb_fillrect
=
cfb_fillrect
,
.
fb_copyarea
=
cfb_copyarea
,
.
fb_imageblit
=
cfb_imageblit
,
.
fb_mmap
=
acornfb_mmap
,
.
fb_mmap
=
acornfb_mmap
,
};
};
static
int
acornfb_updatevar
(
int
con
,
struct
fb_info
*
info
)
{
if
(
con
==
info
->
currcon
)
acornfb_update_dma
(
info
,
&
fb_display
[
con
].
var
);
return
0
;
}
static
int
acornfb_switch
(
int
con
,
struct
fb_info
*
info
)
{
struct
fb_cmap
*
cmap
;
if
(
info
->
currcon
>=
0
)
{
cmap
=
&
fb_display
[
info
->
currcon
].
cmap
;
if
(
cmap
->
len
)
fb_get_cmap
(
cmap
,
1
,
acornfb_getcolreg
,
info
);
}
info
->
currcon
=
con
;
fb_display
[
con
].
var
.
activate
=
FB_ACTIVATE_NOW
;
acornfb_set_var
(
&
fb_display
[
con
].
var
,
con
,
info
);
return
0
;
}
/*
/*
* Everything after here is initialisation!!!
* Everything after here is initialisation!!!
*/
*/
...
@@ -1248,8 +970,7 @@ acornfb_default_mode = {
...
@@ -1248,8 +970,7 @@ acornfb_default_mode = {
.
vmode
=
FB_VMODE_NONINTERLACED
.
vmode
=
FB_VMODE_NONINTERLACED
};
};
static
void
__init
static
void
__init
acornfb_init_fbinfo
(
void
)
acornfb_init_fbinfo
(
void
)
{
{
static
int
first
=
1
;
static
int
first
=
1
;
...
@@ -1257,15 +978,8 @@ acornfb_init_fbinfo(void)
...
@@ -1257,15 +978,8 @@ acornfb_init_fbinfo(void)
return
;
return
;
first
=
0
;
first
=
0
;
strcpy
(
fb_info
.
modename
,
"Acorn"
);
strcpy
(
fb_info
.
fontname
,
"Acorn8x8"
);
fb_info
.
node
=
NODEV
;
fb_info
.
node
=
NODEV
;
fb_info
.
fbops
=
&
acornfb_ops
;
fb_info
.
fbops
=
&
acornfb_ops
;
fb_info
.
disp
=
&
global_disp
;
fb_info
.
changevar
=
NULL
;
fb_info
.
switch_con
=
acornfb_switch
;
fb_info
.
updatevar
=
acornfb_updatevar
;
fb_info
.
flags
=
FBINFO_FLAG_DEFAULT
;
fb_info
.
flags
=
FBINFO_FLAG_DEFAULT
;
strcpy
(
fb_info
.
fix
.
id
,
"Acorn"
);
strcpy
(
fb_info
.
fix
.
id
,
"Acorn"
);
...
@@ -1277,28 +991,26 @@ acornfb_init_fbinfo(void)
...
@@ -1277,28 +991,26 @@ acornfb_init_fbinfo(void)
fb_info
.
fix
.
line_length
=
0
;
fb_info
.
fix
.
line_length
=
0
;
fb_info
.
fix
.
accel
=
FB_ACCEL_NONE
;
fb_info
.
fix
.
accel
=
FB_ACCEL_NONE
;
global_disp
.
dispsw
=
&
fbcon_dummy
;
/*
/*
* setup initial parameters
* setup initial parameters
*/
*/
memset
(
&
init_var
,
0
,
sizeof
(
init_
var
));
memset
(
&
fb_info
.
var
,
0
,
sizeof
(
fb_info
.
var
));
#if defined(HAS_VIDC20)
#if defined(HAS_VIDC20)
init_
var
.
red
.
length
=
8
;
fb_info
.
var
.
red
.
length
=
8
;
init_var
.
transp
.
length
=
4
;
fb_info
.
var
.
transp
.
length
=
4
;
#elif defined(HAS_VIDC)
#elif defined(HAS_VIDC)
init_
var
.
red
.
length
=
4
;
fb_info
.
var
.
red
.
length
=
4
;
init_var
.
transp
.
length
=
1
;
fb_info
.
var
.
transp
.
length
=
1
;
#endif
#endif
init_var
.
green
=
init_
var
.
red
;
fb_info
.
var
.
green
=
fb_info
.
var
.
red
;
init_var
.
blue
=
init_
var
.
red
;
fb_info
.
var
.
blue
=
fb_info
.
var
.
red
;
init_var
.
nonstd
=
0
;
fb_info
.
var
.
nonstd
=
0
;
init_
var
.
activate
=
FB_ACTIVATE_NOW
;
fb_info
.
var
.
activate
=
FB_ACTIVATE_NOW
;
init_var
.
height
=
-
1
;
fb_info
.
var
.
height
=
-
1
;
init_var
.
width
=
-
1
;
fb_info
.
var
.
width
=
-
1
;
init_var
.
vmode
=
FB_VMODE_NONINTERLACED
;
fb_info
.
var
.
vmode
=
FB_VMODE_NONINTERLACED
;
init_
var
.
accel_flags
=
FB_ACCELF_TEXT
;
fb_info
.
var
.
accel_flags
=
FB_ACCELF_TEXT
;
current_par
.
dram_size
=
0
;
current_par
.
dram_size
=
0
;
current_par
.
montype
=
-
1
;
current_par
.
montype
=
-
1
;
...
@@ -1308,9 +1020,6 @@ acornfb_init_fbinfo(void)
...
@@ -1308,9 +1020,6 @@ acornfb_init_fbinfo(void)
/*
/*
* setup acornfb options:
* setup acornfb options:
*
*
* font:fontname
* Set fontname
*
* mon:hmin-hmax:vmin-vmax:dpms:width:height
* mon:hmin-hmax:vmin-vmax:dpms:width:height
* Set monitor parameters:
* Set monitor parameters:
* hmin = horizontal minimum frequency (Hz)
* hmin = horizontal minimum frequency (Hz)
...
@@ -1337,12 +1046,6 @@ acornfb_init_fbinfo(void)
...
@@ -1337,12 +1046,6 @@ acornfb_init_fbinfo(void)
* size can optionally be followed by 'M' or 'K' for
* size can optionally be followed by 'M' or 'K' for
* MB or KB respectively.
* MB or KB respectively.
*/
*/
static
void
__init
acornfb_parse_font
(
char
*
opt
)
{
strcpy
(
fb_info
.
fontname
,
opt
);
}
static
void
__init
static
void
__init
acornfb_parse_mon
(
char
*
opt
)
acornfb_parse_mon
(
char
*
opt
)
{
{
...
@@ -1373,12 +1076,12 @@ acornfb_parse_mon(char *opt)
...
@@ -1373,12 +1076,12 @@ acornfb_parse_mon(char *opt)
if
(
*
p
!=
':'
)
if
(
*
p
!=
':'
)
goto
check_values
;
goto
check_values
;
init_
var
.
width
=
simple_strtoul
(
p
+
1
,
&
p
,
0
);
fb_info
.
var
.
width
=
simple_strtoul
(
p
+
1
,
&
p
,
0
);
if
(
*
p
!=
':'
)
if
(
*
p
!=
':'
)
goto
check_values
;
goto
check_values
;
init_
var
.
height
=
simple_strtoul
(
p
+
1
,
NULL
,
0
);
fb_info
.
var
.
height
=
simple_strtoul
(
p
+
1
,
NULL
,
0
);
check_values:
check_values:
if
(
fb_info
.
monspecs
.
hfmax
<
fb_info
.
monspecs
.
hfmin
||
if
(
fb_info
.
monspecs
.
hfmax
<
fb_info
.
monspecs
.
hfmin
||
...
@@ -1460,7 +1163,6 @@ static struct options {
...
@@ -1460,7 +1163,6 @@ static struct options {
char
*
name
;
char
*
name
;
void
(
*
parse
)(
char
*
opt
);
void
(
*
parse
)(
char
*
opt
);
}
opt_table
[]
__initdata
=
{
}
opt_table
[]
__initdata
=
{
{
"font"
,
acornfb_parse_font
},
{
"mon"
,
acornfb_parse_mon
},
{
"mon"
,
acornfb_parse_mon
},
{
"montype"
,
acornfb_parse_montype
},
{
"montype"
,
acornfb_parse_montype
},
{
"dram"
,
acornfb_parse_dram
},
{
"dram"
,
acornfb_parse_dram
},
...
@@ -1658,7 +1360,7 @@ acornfb_init(void)
...
@@ -1658,7 +1360,7 @@ acornfb_init(void)
* the resolution, so we disable this feature.
* the resolution, so we disable this feature.
*/
*/
do
{
do
{
rc
=
fb_find_mode
(
&
init_
var
,
&
fb_info
,
NULL
,
modedb
,
rc
=
fb_find_mode
(
&
fb_info
.
var
,
&
fb_info
,
NULL
,
modedb
,
sizeof
(
modedb
)
/
sizeof
(
*
modedb
),
sizeof
(
modedb
)
/
sizeof
(
*
modedb
),
&
acornfb_default_mode
,
DEFAULT_BPP
);
&
acornfb_default_mode
,
DEFAULT_BPP
);
/*
/*
...
@@ -1667,7 +1369,7 @@ acornfb_init(void)
...
@@ -1667,7 +1369,7 @@ acornfb_init(void)
if
(
rc
==
1
)
if
(
rc
==
1
)
break
;
break
;
rc
=
fb_find_mode
(
&
init_
var
,
&
fb_info
,
NULL
,
NULL
,
0
,
rc
=
fb_find_mode
(
&
fb_info
.
var
,
&
fb_info
,
NULL
,
NULL
,
0
,
&
acornfb_default_mode
,
DEFAULT_BPP
);
&
acornfb_default_mode
,
DEFAULT_BPP
);
/*
/*
* If we found an exact match, all ok.
* If we found an exact match, all ok.
...
@@ -1675,13 +1377,13 @@ acornfb_init(void)
...
@@ -1675,13 +1377,13 @@ acornfb_init(void)
if
(
rc
==
1
)
if
(
rc
==
1
)
break
;
break
;
rc
=
fb_find_mode
(
&
init_
var
,
&
fb_info
,
NULL
,
modedb
,
rc
=
fb_find_mode
(
&
fb_info
.
var
,
&
fb_info
,
NULL
,
modedb
,
sizeof
(
modedb
)
/
sizeof
(
*
modedb
),
sizeof
(
modedb
)
/
sizeof
(
*
modedb
),
&
acornfb_default_mode
,
DEFAULT_BPP
);
&
acornfb_default_mode
,
DEFAULT_BPP
);
if
(
rc
)
if
(
rc
)
break
;
break
;
rc
=
fb_find_mode
(
&
init_
var
,
&
fb_info
,
NULL
,
NULL
,
0
,
rc
=
fb_find_mode
(
&
fb_info
.
var
,
&
fb_info
,
NULL
,
NULL
,
0
,
&
acornfb_default_mode
,
DEFAULT_BPP
);
&
acornfb_default_mode
,
DEFAULT_BPP
);
}
while
(
0
);
}
while
(
0
);
...
@@ -1694,17 +1396,17 @@ acornfb_init(void)
...
@@ -1694,17 +1396,17 @@ acornfb_init(void)
return
-
EINVAL
;
return
-
EINVAL
;
}
}
h_sync
=
1953125000
/
init_
var
.
pixclock
;
h_sync
=
1953125000
/
fb_info
.
var
.
pixclock
;
h_sync
=
h_sync
*
512
/
(
init_var
.
xres
+
init_
var
.
left_margin
+
h_sync
=
h_sync
*
512
/
(
fb_info
.
var
.
xres
+
fb_info
.
var
.
left_margin
+
init_var
.
right_margin
+
init_
var
.
hsync_len
);
fb_info
.
var
.
right_margin
+
fb_info
.
var
.
hsync_len
);
v_sync
=
h_sync
/
(
init_var
.
yres
+
init_
var
.
upper_margin
+
v_sync
=
h_sync
/
(
fb_info
.
var
.
yres
+
fb_info
.
var
.
upper_margin
+
init_var
.
lower_margin
+
init_
var
.
vsync_len
);
fb_info
.
var
.
lower_margin
+
fb_info
.
var
.
vsync_len
);
printk
(
KERN_INFO
"Acornfb: %dkB %cRAM, %s, using %dx%d, "
printk
(
KERN_INFO
"Acornfb: %dkB %cRAM, %s, using %dx%d, "
"%d.%03dkHz, %dHz
\n
"
,
"%d.%03dkHz, %dHz
\n
"
,
fb_info
.
fix
.
smem_len
/
1024
,
fb_info
.
fix
.
smem_len
/
1024
,
current_par
.
using_vram
?
'V'
:
'D'
,
current_par
.
using_vram
?
'V'
:
'D'
,
VIDC_NAME
,
init_var
.
xres
,
init_
var
.
yres
,
VIDC_NAME
,
fb_info
.
var
.
xres
,
fb_info
.
var
.
yres
,
h_sync
/
1000
,
h_sync
%
1000
,
v_sync
);
h_sync
/
1000
,
h_sync
%
1000
,
v_sync
);
printk
(
KERN_INFO
"Acornfb: Monitor: %d.%03d-%d.%03dkHz, %d-%dHz%s
\n
"
,
printk
(
KERN_INFO
"Acornfb: Monitor: %d.%03d-%d.%03dkHz, %d-%dHz%s
\n
"
,
...
@@ -1713,7 +1415,7 @@ acornfb_init(void)
...
@@ -1713,7 +1415,7 @@ acornfb_init(void)
fb_info
.
monspecs
.
vfmin
,
fb_info
.
monspecs
.
vfmax
,
fb_info
.
monspecs
.
vfmin
,
fb_info
.
monspecs
.
vfmax
,
fb_info
.
monspecs
.
dpms
?
", DPMS"
:
""
);
fb_info
.
monspecs
.
dpms
?
", DPMS"
:
""
);
if
(
acornfb_set_var
(
&
init_var
,
-
1
,
&
fb_info
))
if
(
fb_set_var
(
&
fb_info
.
var
,
&
fb_info
))
printk
(
KERN_ERR
"Acornfb: unable to set display parameters
\n
"
);
printk
(
KERN_ERR
"Acornfb: unable to set display parameters
\n
"
);
if
(
register_framebuffer
(
&
fb_info
)
<
0
)
if
(
register_framebuffer
(
&
fb_info
)
<
0
)
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment