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nexedi
linux
Commits
57b55f79
Commit
57b55f79
authored
Feb 26, 2003
by
David S. Miller
Browse files
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[FRAMEBUFFER]: Convert bw2, cg6, and cg3 drivers to new APIs.
parent
41ae6422
Changes
8
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Showing
8 changed files
with
1771 additions
and
562 deletions
+1771
-562
drivers/video/Kconfig
drivers/video/Kconfig
+3
-3
drivers/video/Makefile
drivers/video/Makefile
+5
-4
drivers/video/bw2.c
drivers/video/bw2.c
+448
-0
drivers/video/bwtwofb.c
drivers/video/bwtwofb.c
+0
-269
drivers/video/cg3.c
drivers/video/cg3.c
+507
-0
drivers/video/cg6.c
drivers/video/cg6.c
+793
-0
drivers/video/cgthreefb.c
drivers/video/cgthreefb.c
+0
-286
drivers/video/fbmem.c
drivers/video/fbmem.c
+15
-0
No files found.
drivers/video/Kconfig
View file @
57b55f79
...
@@ -376,19 +376,19 @@ config FB_SUN3
...
@@ -376,19 +376,19 @@ config FB_SUN3
bool "Sun3 framebuffer support"
bool "Sun3 framebuffer support"
depends on FB && (SUN3 || SUN3X)
depends on FB && (SUN3 || SUN3X)
config FB_BW
TWO
config FB_BW
2
bool "BWtwo support"
bool "BWtwo support"
depends on FB && ((SPARC32 || SPARC64) && FB_SBUS || (SUN3 || SUN3X) && FB_SUN3)
depends on FB && ((SPARC32 || SPARC64) && FB_SBUS || (SUN3 || SUN3X) && FB_SUN3)
help
help
This is the frame buffer device driver for the BWtwo frame buffer.
This is the frame buffer device driver for the BWtwo frame buffer.
config FB_CG
THREE
config FB_CG
3
bool "CGthree support"
bool "CGthree support"
depends on FB && ((SPARC32 || SPARC64) && FB_SBUS || (SUN3 || SUN3X) && FB_SUN3)
depends on FB && ((SPARC32 || SPARC64) && FB_SBUS || (SUN3 || SUN3X) && FB_SUN3)
help
help
This is the frame buffer device driver for the CGthree frame buffer.
This is the frame buffer device driver for the CGthree frame buffer.
config FB_CG
SIX
config FB_CG
6
bool "CGsix (GX,TurboGX) support"
bool "CGsix (GX,TurboGX) support"
depends on FB && ((SPARC32 || SPARC64) && FB_SBUS || (SUN3 || SUN3X) && FB_SUN3)
depends on FB && ((SPARC32 || SPARC64) && FB_SBUS || (SUN3 || SUN3X) && FB_SUN3)
help
help
...
...
drivers/video/Makefile
View file @
57b55f79
...
@@ -71,16 +71,17 @@ obj-$(CONFIG_FB_PVR2) += pvr2fb.o
...
@@ -71,16 +71,17 @@ obj-$(CONFIG_FB_PVR2) += pvr2fb.o
obj-$(CONFIG_FB_VOODOO1)
+=
sstfb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
obj-$(CONFIG_FB_VOODOO1)
+=
sstfb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
# One by one these are being converted over to the new APIs
# One by one these are being converted over to the new APIs
#obj-$(CONFIG_FB_CREATOR) += creatorfb.o sbusfb.o
#obj-$(CONFIG_FB_CGSIX) += cgsixfb.o sbusfb.o
#obj-$(CONFIG_FB_BWTWO) += bwtwofb.o sbusfb.o
#obj-$(CONFIG_FB_CGTHREE) += cgthreefb.o sbusfb.o
#obj-$(CONFIG_FB_TCX) += tcxfb.o sbusfb.o
#obj-$(CONFIG_FB_TCX) += tcxfb.o sbusfb.o
#obj-$(CONFIG_FB_CGFOURTEEN) += cgfourteenfb.o sbusfb.o
#obj-$(CONFIG_FB_CGFOURTEEN) += cgfourteenfb.o sbusfb.o
#obj-$(CONFIG_FB_P9100) += p9100fb.o sbusfb.o
#obj-$(CONFIG_FB_P9100) += p9100fb.o sbusfb.o
#obj-$(CONFIG_FB_LEO) += leofb.o sbusfb.o
#obj-$(CONFIG_FB_LEO) += leofb.o sbusfb.o
obj-$(CONFIG_FB_FFB)
+=
ffb.o sbuslib.o cfbimgblt.o cfbcopyarea.o
obj-$(CONFIG_FB_FFB)
+=
ffb.o sbuslib.o cfbimgblt.o cfbcopyarea.o
obj-$(CONFIG_FB_CG6)
+=
cg6.o sbuslib.o cfbimgblt.o cfbcopyarea.o
obj-$(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
# Files generated that shall be removed upon make clean
# Files generated that shall be removed upon make clean
clean-files
:=
promcon_tbl.c
clean-files
:=
promcon_tbl.c
...
...
drivers/video/bw2.c
0 → 100644
View file @
57b55f79
/* bw2.c: BWTWO frame buffer driver
*
* Copyright (C) 2003 David S. Miller (davem@redhat.com)
* Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
* Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
* Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
*
* Driver layout based loosely on tgafb.c, see that file for credits.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/fb.h>
#include <linux/mm.h>
#include <asm/io.h>
#include <asm/sbus.h>
#include <asm/oplib.h>
#include <asm/fbio.h>
#ifdef CONFIG_SPARC32
#include <asm/sun4paddr.h>
#endif
#include "sbuslib.h"
/*
* Local functions.
*/
static
int
bw2_check_var
(
struct
fb_var_screeninfo
*
,
struct
fb_info
*
);
static
int
bw2_set_par
(
struct
fb_info
*
);
static
int
bw2_blank
(
int
,
struct
fb_info
*
);
static
int
bw2_mmap
(
struct
fb_info
*
,
struct
file
*
,
struct
vm_area_struct
*
);
/*
* Frame buffer operations
*/
static
struct
fb_ops
bw2_ops
=
{
.
owner
=
THIS_MODULE
,
.
fb_check_var
=
bw2_check_var
,
.
fb_set_par
=
bw2_set_par
,
.
fb_blank
=
bw2_blank
,
.
fb_fillrect
=
cfb_fillrect
,
.
fb_copyarea
=
cfb_copyarea
,
.
fb_imageblit
=
cfb_imageblit
,
.
fb_mmap
=
bw2_mmap
,
.
fb_cursor
=
soft_cursor
,
};
/* OBio addresses for the bwtwo registers */
#define BWTWO_REGISTER_OFFSET 0x400000
struct
bt_regs
{
volatile
u32
addr
;
volatile
u32
color_map
;
volatile
u32
control
;
volatile
u32
cursor
;
};
struct
bw2_regs
{
struct
bt_regs
cmap
;
volatile
u8
control
;
volatile
u8
status
;
volatile
u8
cursor_start
;
volatile
u8
cursor_end
;
volatile
u8
h_blank_start
;
volatile
u8
h_blank_end
;
volatile
u8
h_sync_start
;
volatile
u8
h_sync_end
;
volatile
u8
comp_sync_end
;
volatile
u8
v_blank_start_high
;
volatile
u8
v_blank_start_low
;
volatile
u8
v_blank_end
;
volatile
u8
v_sync_start
;
volatile
u8
v_sync_end
;
volatile
u8
xfer_holdoff_start
;
volatile
u8
xfer_holdoff_end
;
};
/* Status Register Constants */
#define BWTWO_SR_RES_MASK 0x70
#define BWTWO_SR_1600_1280 0x50
#define BWTWO_SR_1152_900_76_A 0x40
#define BWTWO_SR_1152_900_76_B 0x60
#define BWTWO_SR_ID_MASK 0x0f
#define BWTWO_SR_ID_MONO 0x02
#define BWTWO_SR_ID_MONO_ECL 0x03
#define BWTWO_SR_ID_MSYNC 0x04
#define BWTWO_SR_ID_NOCONN 0x0a
/* Control Register Constants */
#define BWTWO_CTL_ENABLE_INTS 0x80
#define BWTWO_CTL_ENABLE_VIDEO 0x40
#define BWTWO_CTL_ENABLE_TIMING 0x20
#define BWTWO_CTL_ENABLE_CURCMP 0x10
#define BWTWO_CTL_XTAL_MASK 0x0C
#define BWTWO_CTL_DIVISOR_MASK 0x03
/* Status Register Constants */
#define BWTWO_STAT_PENDING_INT 0x80
#define BWTWO_STAT_MSENSE_MASK 0x70
#define BWTWO_STAT_ID_MASK 0x0f
struct
bw2_par
{
spinlock_t
lock
;
struct
bw2_regs
*
regs
;
u32
flags
;
#define BW2_FLAG_BLANKED 0x00000001
unsigned
long
physbase
;
unsigned
long
fbsize
;
struct
sbus_dev
*
sdev
;
struct
list_head
list
;
};
/**
* bw2_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
bw2_check_var
(
struct
fb_var_screeninfo
*
var
,
struct
fb_info
*
info
)
{
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
;
}
/**
* bw2_set_par - Optional function. Alters the hardware state.
* @info: frame buffer structure that represents a single frame buffer
*/
static
int
bw2_set_par
(
struct
fb_info
*
info
)
{
return
0
;
}
/**
* bw2_blank - Optional function. Blanks the display.
* @blank_mode: the blank mode we want.
* @info: frame buffer structure that represents a single frame buffer
*/
static
int
bw2_blank
(
int
blank
,
struct
fb_info
*
info
)
{
struct
bw2_par
*
par
=
(
struct
bw2_par
*
)
info
->
par
;
struct
bw2_regs
*
regs
=
par
->
regs
;
unsigned
long
flags
;
u8
val
;
spin_lock_irqsave
(
&
par
->
lock
,
flags
);
switch
(
blank
)
{
case
0
:
/* Unblanking */
val
=
sbus_readb
(
&
regs
->
control
);
val
|=
BWTWO_CTL_ENABLE_VIDEO
;
sbus_writeb
(
val
,
&
regs
->
control
);
par
->
flags
&=
~
BW2_FLAG_BLANKED
;
break
;
case
1
:
/* Normal blanking */
case
2
:
/* VESA blank (vsync off) */
case
3
:
/* VESA blank (hsync off) */
case
4
:
/* Poweroff */
val
=
sbus_readb
(
&
regs
->
control
);
val
&=
~
BWTWO_CTL_ENABLE_VIDEO
;
sbus_writeb
(
val
,
&
regs
->
control
);
par
->
flags
|=
BW2_FLAG_BLANKED
;
break
;
}
spin_unlock_irqrestore
(
&
par
->
lock
,
flags
);
return
0
;
}
static
struct
sbus_mmap_map
bw2_mmap_map
[]
=
{
{
0
,
0
,
SBUS_MMAP_FBSIZE
(
1
)
},
{
0
,
0
,
0
}
};
static
int
bw2_mmap
(
struct
fb_info
*
info
,
struct
file
*
file
,
struct
vm_area_struct
*
vma
)
{
struct
bw2_par
*
par
=
(
struct
bw2_par
*
)
info
->
par
;
return
sbusfb_mmap_helper
(
bw2_mmap_map
,
par
->
physbase
,
par
->
fbsize
,
(
par
->
sdev
?
par
->
sdev
->
reg_addrs
[
0
].
which_io
:
0
),
vma
);
}
/*
* Initialisation
*/
static
void
bw2_init_fix
(
struct
fb_info
*
info
,
int
linebytes
)
{
strncpy
(
info
->
fix
.
id
,
"bwtwo"
,
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_MONO01
;
info
->
fix
.
line_length
=
linebytes
;
info
->
fix
.
accel
=
FB_ACCEL_SUN_BWTWO
;
}
static
u8
bw2regs_1600
[]
__initdata
=
{
0x14
,
0x8b
,
0x15
,
0x28
,
0x16
,
0x03
,
0x17
,
0x13
,
0x18
,
0x7b
,
0x19
,
0x05
,
0x1a
,
0x34
,
0x1b
,
0x2e
,
0x1c
,
0x00
,
0x1d
,
0x0a
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x21
,
0
};
static
u8
bw2regs_ecl
[]
__initdata
=
{
0x14
,
0x65
,
0x15
,
0x1e
,
0x16
,
0x04
,
0x17
,
0x0c
,
0x18
,
0x5e
,
0x19
,
0x03
,
0x1a
,
0xa7
,
0x1b
,
0x23
,
0x1c
,
0x00
,
0x1d
,
0x08
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x20
,
0
};
static
u8
bw2regs_analog
[]
__initdata
=
{
0x14
,
0xbb
,
0x15
,
0x2b
,
0x16
,
0x03
,
0x17
,
0x13
,
0x18
,
0xb0
,
0x19
,
0x03
,
0x1a
,
0xa6
,
0x1b
,
0x22
,
0x1c
,
0x01
,
0x1d
,
0x05
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x20
,
0
};
static
u8
bw2regs_76hz
[]
__initdata
=
{
0x14
,
0xb7
,
0x15
,
0x27
,
0x16
,
0x03
,
0x17
,
0x0f
,
0x18
,
0xae
,
0x19
,
0x03
,
0x1a
,
0xae
,
0x1b
,
0x2a
,
0x1c
,
0x01
,
0x1d
,
0x09
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x24
,
0
};
static
u8
bw2regs_66hz
[]
__initdata
=
{
0x14
,
0xbb
,
0x15
,
0x2b
,
0x16
,
0x04
,
0x17
,
0x14
,
0x18
,
0xae
,
0x19
,
0x03
,
0x1a
,
0xa8
,
0x1b
,
0x24
,
0x1c
,
0x01
,
0x1d
,
0x05
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x20
,
0
};
static
void
bw2_do_default_mode
(
struct
bw2_par
*
par
,
struct
fb_info
*
info
,
int
*
linebytes
)
{
u8
status
,
mon
;
u8
*
p
;
status
=
sbus_readb
(
&
par
->
regs
->
status
);
mon
=
status
&
BWTWO_SR_RES_MASK
;
switch
(
status
&
BWTWO_SR_ID_MASK
)
{
case
BWTWO_SR_ID_MONO_ECL
:
if
(
mon
==
BWTWO_SR_1600_1280
)
{
p
=
bw2regs_1600
;
info
->
var
.
xres
=
info
->
var
.
xres_virtual
=
1600
;
info
->
var
.
yres
=
info
->
var
.
yres_virtual
=
1280
;
*
linebytes
=
1600
/
8
;
}
else
p
=
bw2regs_ecl
;
break
;
case
BWTWO_SR_ID_MONO
:
p
=
bw2regs_analog
;
break
;
case
BWTWO_SR_ID_MSYNC
:
if
(
mon
==
BWTWO_SR_1152_900_76_A
||
mon
==
BWTWO_SR_1152_900_76_B
)
p
=
bw2regs_76hz
;
else
p
=
bw2regs_66hz
;
break
;
case
BWTWO_SR_ID_NOCONN
:
return
;
default:
prom_printf
(
"bw2: can't handle SR %02x
\n
"
,
status
);
prom_halt
();
}
for
(
;
*
p
;
p
+=
2
)
{
u8
*
regp
=
&
((
u8
*
)
par
->
regs
)[
p
[
0
]];
sbus_writeb
(
p
[
1
],
regp
);
}
}
struct
all_info
{
struct
fb_info
info
;
struct
bw2_par
par
;
struct
list_head
list
;
};
static
LIST_HEAD
(
bw2_list
);
static
void
bw2_init_one
(
struct
sbus_dev
*
sdev
)
{
struct
all_info
*
all
;
struct
resource
*
resp
;
#ifdef CONFIG_SUN4
struct
resource
res
;
#endif
int
linebytes
;
all
=
kmalloc
(
sizeof
(
*
all
),
GFP_KERNEL
);
if
(
!
all
)
{
printk
(
KERN_ERR
"bw2: Cannot allocate memory.
\n
"
);
return
;
}
memset
(
all
,
0
,
sizeof
(
*
all
));
INIT_LIST_HEAD
(
&
all
->
list
);
spin_lock_init
(
&
all
->
par
.
lock
);
all
->
par
.
sdev
=
sdev
;
#ifdef CONFIG_SUN4
if
(
!
sdev
)
{
all
->
par
.
physbase
=
sun4_bwtwo_physaddr
;
res
.
start
=
sun4_bwtwo_physaddr
;
res
.
end
=
res
.
start
+
BWTWO_REGISTER_OFFSET
+
sizeof
(
struct
bw2_regs
)
-
1
;
res
.
flags
=
IORESOURCE_IO
;
resp
=
&
res
;
all
->
info
.
var
.
xres
=
all
->
info
.
var
.
xres_virtual
=
1152
;
all
->
info
.
var
.
yres
=
all
->
info
.
var
.
yres_virtual
=
900
;
all
->
info
.
bits_per_pixel
=
1
;
linebytes
=
1152
/
8
;
}
else
#else
{
if
(
!
sdev
)
BUG
();
all
->
par
.
physbase
=
sdev
->
reg_addrs
[
0
].
phys_addr
;
resp
=
&
sdev
->
resource
[
0
];
sbusfb_fill_var
(
&
all
->
info
.
var
,
(
sdev
?
sdev
->
prom_node
:
0
),
1
);
linebytes
=
prom_getintdefault
(
sdev
->
prom_node
,
"linebytes"
,
all
->
info
.
var
.
xres
);
}
#endif
all
->
par
.
regs
=
(
struct
bw2_regs
*
)
sbus_ioremap
(
resp
,
BWTWO_REGISTER_OFFSET
,
sizeof
(
struct
bw2_regs
),
"bw2 regs"
);
if
(
sdev
&&
!
prom_getbool
(
sdev
->
prom_node
,
"width"
))
bw2_do_default_mode
(
&
all
->
par
,
&
all
->
info
,
&
linebytes
);
all
->
par
.
fbsize
=
PAGE_ALIGN
(
linebytes
*
all
->
info
.
var
.
yres
);
all
->
info
.
node
=
NODEV
;
all
->
info
.
flags
=
FBINFO_FLAG_DEFAULT
;
all
->
info
.
fbops
=
&
bw2_ops
;
#if defined(CONFIG_SPARC32)
if
(
sdev
)
all
->
info
.
screen_base
=
(
char
*
)
prom_getintdefault
(
sdev
->
prom_node
,
"address"
,
0
);
#endif
if
(
!
all
->
info
.
screen_base
)
all
->
info
.
screen_base
=
(
char
*
)
sbus_ioremap
(
resp
,
0
,
all
->
par
.
fbsize
,
"bw2 ram"
);
all
->
info
.
currcon
=
-
1
;
all
->
info
.
par
=
&
all
->
par
;
bw2_blank
(
0
,
&
all
->
info
);
bw2_set_par
(
&
all
->
info
);
bw2_init_fix
(
&
all
->
info
,
linebytes
);
if
(
register_framebuffer
(
&
all
->
info
)
<
0
)
{
printk
(
KERN_ERR
"bw2: Could not register framebuffer.
\n
"
);
kfree
(
all
);
return
;
}
list_add
(
&
all
->
list
,
&
bw2_list
);
printk
(
"bw2: bwtwo at %lx:%lx
\n
"
,
(
long
)
(
sdev
?
sdev
->
reg_addrs
[
0
].
which_io
:
0
),
(
long
)
all
->
par
.
physbase
);
}
int
__init
bw2_init
(
void
)
{
struct
sbus_bus
*
sbus
;
struct
sbus_dev
*
sdev
;
#ifdef CONFIG_SUN4
bw2_init_one
(
NULL
);
#endif
for_all_sbusdev
(
sdev
,
sbus
)
{
if
(
!
strcmp
(
sdev
->
prom_name
,
"bwtwo"
))
bw2_init_one
(
sdev
);
}
return
0
;
}
void
__exit
bw2_exit
(
void
)
{
struct
list_head
*
pos
,
*
tmp
;
list_for_each_safe
(
pos
,
tmp
,
&
bw2_list
)
{
struct
all_info
*
all
=
list_entry
(
pos
,
typeof
(
*
all
),
list
);
unregister_framebuffer
(
&
all
->
info
);
kfree
(
all
);
}
}
int
__init
bw2_setup
(
char
*
arg
)
{
/* No cmdline options yet... */
return
0
;
}
#ifdef MODULE
module_init
(
bw2_init
);
module_exit
(
bw2_exit
);
#endif
MODULE_DESCRIPTION
(
"framebuffer driver for BWTWO chipsets"
);
MODULE_AUTHOR
(
"David S. Miller <davem@redhat.com>"
);
MODULE_LICENSE
(
"GPL"
);
drivers/video/bwtwofb.c
deleted
100644 → 0
View file @
41ae6422
/* $Id: bwtwofb.c,v 1.15 2001/09/19 00:04:33 davem Exp $
* bwtwofb.c: BWtwo frame buffer driver
*
* Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
* Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
* Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
* Copyright (C) 1998 Pavel Machek (pavel@ucw.cz)
*/
#include <linux/config.h>
#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 <video/sbusfb.h>
#include <asm/io.h>
#if !defined(__sparc_v9__) && !defined(__mc68000__)
#include <asm/sun4paddr.h>
#endif
#include <video/fbcon-mfb.h>
/* OBio addresses for the bwtwo registers */
#define BWTWO_REGISTER_OFFSET 0x400000
struct
bw2_regs
{
struct
bt_regs
bt
;
volatile
u8
control
;
volatile
u8
status
;
volatile
u8
cursor_start
;
volatile
u8
cursor_end
;
volatile
u8
h_blank_start
;
volatile
u8
h_blank_end
;
volatile
u8
h_sync_start
;
volatile
u8
h_sync_end
;
volatile
u8
comp_sync_end
;
volatile
u8
v_blank_start_high
;
volatile
u8
v_blank_start_low
;
volatile
u8
v_blank_end
;
volatile
u8
v_sync_start
;
volatile
u8
v_sync_end
;
volatile
u8
xfer_holdoff_start
;
volatile
u8
xfer_holdoff_end
;
};
/* Status Register Constants */
#define BWTWO_SR_RES_MASK 0x70
#define BWTWO_SR_1600_1280 0x50
#define BWTWO_SR_1152_900_76_A 0x40
#define BWTWO_SR_1152_900_76_B 0x60
#define BWTWO_SR_ID_MASK 0x0f
#define BWTWO_SR_ID_MONO 0x02
#define BWTWO_SR_ID_MONO_ECL 0x03
#define BWTWO_SR_ID_MSYNC 0x04
#define BWTWO_SR_ID_NOCONN 0x0a
/* Control Register Constants */
#define BWTWO_CTL_ENABLE_INTS 0x80
#define BWTWO_CTL_ENABLE_VIDEO 0x40
#define BWTWO_CTL_ENABLE_TIMING 0x20
#define BWTWO_CTL_ENABLE_CURCMP 0x10
#define BWTWO_CTL_XTAL_MASK 0x0C
#define BWTWO_CTL_DIVISOR_MASK 0x03
/* Status Register Constants */
#define BWTWO_STAT_PENDING_INT 0x80
#define BWTWO_STAT_MSENSE_MASK 0x70
#define BWTWO_STAT_ID_MASK 0x0f
static
struct
sbus_mmap_map
bw2_mmap_map
[]
=
{
{
0
,
0
,
SBUS_MMAP_FBSIZE
(
1
)
},
{
0
,
0
,
0
}
};
static
int
bw2_blank
(
struct
fb_info_sbusfb
*
fb
)
{
unsigned
long
flags
;
u8
tmp
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
tmp
=
sbus_readb
(
&
fb
->
s
.
bw2
.
regs
->
control
);
tmp
&=
~
BWTWO_CTL_ENABLE_VIDEO
;
sbus_writeb
(
tmp
,
&
fb
->
s
.
bw2
.
regs
->
control
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
return
0
;
}
static
int
bw2_unblank
(
struct
fb_info_sbusfb
*
fb
)
{
unsigned
long
flags
;
u8
tmp
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
tmp
=
sbus_readb
(
&
fb
->
s
.
bw2
.
regs
->
control
);
tmp
|=
BWTWO_CTL_ENABLE_VIDEO
;
sbus_writeb
(
tmp
,
&
fb
->
s
.
bw2
.
regs
->
control
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
return
0
;
}
static
void
bw2_margins
(
struct
fb_info_sbusfb
*
fb
,
struct
display
*
p
,
int
x_margin
,
int
y_margin
)
{
fb
->
info
.
screen_base
+=
(
y_margin
-
fb
->
y_margin
)
*
p
->
fb_info
->
fix
.
line_length
+
((
x_margin
-
fb
->
x_margin
)
>>
3
);
}
static
u8
bw2regs_1600
[]
__initdata
=
{
0x14
,
0x8b
,
0x15
,
0x28
,
0x16
,
0x03
,
0x17
,
0x13
,
0x18
,
0x7b
,
0x19
,
0x05
,
0x1a
,
0x34
,
0x1b
,
0x2e
,
0x1c
,
0x00
,
0x1d
,
0x0a
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x21
,
0
};
static
u8
bw2regs_ecl
[]
__initdata
=
{
0x14
,
0x65
,
0x15
,
0x1e
,
0x16
,
0x04
,
0x17
,
0x0c
,
0x18
,
0x5e
,
0x19
,
0x03
,
0x1a
,
0xa7
,
0x1b
,
0x23
,
0x1c
,
0x00
,
0x1d
,
0x08
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x20
,
0
};
static
u8
bw2regs_analog
[]
__initdata
=
{
0x14
,
0xbb
,
0x15
,
0x2b
,
0x16
,
0x03
,
0x17
,
0x13
,
0x18
,
0xb0
,
0x19
,
0x03
,
0x1a
,
0xa6
,
0x1b
,
0x22
,
0x1c
,
0x01
,
0x1d
,
0x05
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x20
,
0
};
static
u8
bw2regs_76hz
[]
__initdata
=
{
0x14
,
0xb7
,
0x15
,
0x27
,
0x16
,
0x03
,
0x17
,
0x0f
,
0x18
,
0xae
,
0x19
,
0x03
,
0x1a
,
0xae
,
0x1b
,
0x2a
,
0x1c
,
0x01
,
0x1d
,
0x09
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x24
,
0
};
static
u8
bw2regs_66hz
[]
__initdata
=
{
0x14
,
0xbb
,
0x15
,
0x2b
,
0x16
,
0x04
,
0x17
,
0x14
,
0x18
,
0xae
,
0x19
,
0x03
,
0x1a
,
0xa8
,
0x1b
,
0x24
,
0x1c
,
0x01
,
0x1d
,
0x05
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x20
,
0
};
static
char
idstring
[
60
]
__initdata
=
{
0
};
char
__init
*
bwtwofb_init
(
struct
fb_info_sbusfb
*
fb
)
{
struct
fb_fix_screeninfo
*
fix
=
&
fb
->
info
.
fix
;
struct
display
*
disp
=
&
fb
->
disp
;
struct
fbtype
*
type
=
&
fb
->
type
;
#ifdef CONFIG_SUN4
unsigned
long
phys
=
sun4_bwtwo_physaddr
;
struct
resource
res
;
#else
unsigned
long
phys
=
fb
->
sbdp
->
reg_addrs
[
0
].
phys_addr
;
#endif
struct
resource
*
resp
;
unsigned
int
vaddr
;
#ifndef FBCON_HAS_MFB
return
NULL
;
#endif
#ifdef CONFIG_SUN4
res
.
start
=
phys
;
res
.
end
=
res
.
start
+
BWTWO_REGISTER_OFFSET
+
sizeof
(
struct
bw2_regs
)
-
1
;
res
.
flags
=
IORESOURCE_IO
|
(
fb
->
iospace
&
0xff
);
resp
=
&
res
;
#else
resp
=
&
fb
->
sbdp
->
resource
[
0
];
#endif
if
(
!
fb
->
s
.
bw2
.
regs
)
{
fb
->
s
.
bw2
.
regs
=
(
struct
bw2_regs
*
)
sbus_ioremap
(
resp
,
BWTWO_REGISTER_OFFSET
,
sizeof
(
struct
bw2_regs
),
"bw2 regs"
);
if
((
!
ARCH_SUN4
)
&&
(
!
prom_getbool
(
fb
->
prom_node
,
"width"
)))
{
/* Ugh, broken PROM didn't initialize us.
* Let's deal with this ourselves.
*/
u8
status
,
mon
;
u8
*
p
;
int
sizechange
=
0
;
status
=
sbus_readb
(
&
fb
->
s
.
bw2
.
regs
->
status
);
mon
=
status
&
BWTWO_SR_RES_MASK
;
switch
(
status
&
BWTWO_SR_ID_MASK
)
{
case
BWTWO_SR_ID_MONO_ECL
:
if
(
mon
==
BWTWO_SR_1600_1280
)
{
p
=
bw2regs_1600
;
fb
->
type
.
fb_width
=
1600
;
fb
->
type
.
fb_height
=
1280
;
sizechange
=
1
;
}
else
p
=
bw2regs_ecl
;
break
;
case
BWTWO_SR_ID_MONO
:
p
=
bw2regs_analog
;
break
;
case
BWTWO_SR_ID_MSYNC
:
if
(
mon
==
BWTWO_SR_1152_900_76_A
||
mon
==
BWTWO_SR_1152_900_76_B
)
p
=
bw2regs_76hz
;
else
p
=
bw2regs_66hz
;
break
;
case
BWTWO_SR_ID_NOCONN
:
return
NULL
;
default:
#ifndef CONFIG_FB_SUN3
prom_printf
(
"bw2: can't handle SR %02x
\n
"
,
status
);
prom_halt
();
#endif
return
NULL
;
/* fool gcc. */
}
for
(
;
*
p
;
p
+=
2
)
{
u8
*
regp
=
&
((
u8
*
)
fb
->
s
.
bw2
.
regs
)[
p
[
0
]];
sbus_writeb
(
p
[
1
],
regp
);
}
}
}
strcpy
(
fb
->
info
.
modename
,
"BWtwo"
);
strcpy
(
fix
->
id
,
"BWtwo"
);
fix
->
line_length
=
fb
->
info
.
var
.
xres_virtual
>>
3
;
fix
->
accel
=
FB_ACCEL_SUN_BWTWO
;
disp
->
scrollmode
=
SCROLL_YREDRAW
;
disp
->
inverse
=
1
;
if
(
!
fb
->
info
.
screen_base
)
{
fb
->
info
.
screen_base
=
(
char
*
)
sbus_ioremap
(
resp
,
0
,
type
->
fb_size
,
"bw2 ram"
);
}
fb
->
info
.
screen_base
+=
fix
->
line_length
*
fb
->
y_margin
+
(
fb
->
x_margin
>>
3
);
fb
->
dispsw
=
fbcon_mfb
;
fix
->
visual
=
FB_VISUAL_MONO01
;
#ifndef CONFIG_SUN4
fb
->
blank
=
bw2_blank
;
fb
->
unblank
=
bw2_unblank
;
prom_getproperty
(
fb
->
sbdp
->
prom_node
,
"address"
,
(
char
*
)
&
vaddr
,
sizeof
(
vaddr
));
fb
->
physbase
=
__get_phys
((
unsigned
long
)
vaddr
);
#endif
fb
->
margins
=
bw2_margins
;
fb
->
mmap_map
=
bw2_mmap_map
;
#ifdef __sparc_v9__
sprintf
(
idstring
,
"bwtwo at %016lx"
,
phys
);
#else
sprintf
(
idstring
,
"bwtwo at %x.%08lx"
,
fb
->
iospace
,
phys
);
#endif
return
idstring
;
}
MODULE_LICENSE
(
"GPL"
);
drivers/video/cg3.c
0 → 100644
View file @
57b55f79
/* cg3.c: CGTHREE frame buffer driver
*
* Copyright (C) 2003 David S. Miller (davem@redhat.com)
* Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
* Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
* Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
*
* Driver layout based loosely on tgafb.c, see that file for credits.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/fb.h>
#include <linux/mm.h>
#include <asm/io.h>
#include <asm/sbus.h>
#include <asm/oplib.h>
#include <asm/fbio.h>
#include "sbuslib.h"
/*
* Local functions.
*/
static
int
cg3_check_var
(
struct
fb_var_screeninfo
*
,
struct
fb_info
*
);
static
int
cg3_set_par
(
struct
fb_info
*
);
static
int
cg3_setcolreg
(
unsigned
,
unsigned
,
unsigned
,
unsigned
,
unsigned
,
struct
fb_info
*
);
static
int
cg3_blank
(
int
,
struct
fb_info
*
);
static
int
cg3_mmap
(
struct
fb_info
*
,
struct
file
*
,
struct
vm_area_struct
*
);
/*
* Frame buffer operations
*/
static
struct
fb_ops
cg3_ops
=
{
.
owner
=
THIS_MODULE
,
.
fb_check_var
=
cg3_check_var
,
.
fb_set_par
=
cg3_set_par
,
.
fb_setcolreg
=
cg3_setcolreg
,
.
fb_blank
=
cg3_blank
,
.
fb_fillrect
=
cfb_fillrect
,
.
fb_copyarea
=
cfb_copyarea
,
.
fb_imageblit
=
cfb_imageblit
,
.
fb_mmap
=
cg3_mmap
,
.
fb_cursor
=
soft_cursor
,
};
/* Control Register Constants */
#define CG3_CR_ENABLE_INTS 0x80
#define CG3_CR_ENABLE_VIDEO 0x40
#define CG3_CR_ENABLE_TIMING 0x20
#define CG3_CR_ENABLE_CURCMP 0x10
#define CG3_CR_XTAL_MASK 0x0c
#define CG3_CR_DIVISOR_MASK 0x03
/* Status Register Constants */
#define CG3_SR_PENDING_INT 0x80
#define CG3_SR_RES_MASK 0x70
#define CG3_SR_1152_900_76_A 0x40
#define CG3_SR_1152_900_76_B 0x60
#define CG3_SR_ID_MASK 0x0f
#define CG3_SR_ID_COLOR 0x01
#define CG3_SR_ID_MONO 0x02
#define CG3_SR_ID_MONO_ECL 0x03
enum
cg3_type
{
CG3_AT_66HZ
=
0
,
CG3_AT_76HZ
,
CG3_RDI
};
struct
bt_regs
{
volatile
u32
addr
;
volatile
u32
color_map
;
volatile
u32
control
;
volatile
u32
cursor
;
};
struct
cg3_regs
{
struct
bt_regs
cmap
;
volatile
u8
control
;
volatile
u8
status
;
volatile
u8
cursor_start
;
volatile
u8
cursor_end
;
volatile
u8
h_blank_start
;
volatile
u8
h_blank_end
;
volatile
u8
h_sync_start
;
volatile
u8
h_sync_end
;
volatile
u8
comp_sync_end
;
volatile
u8
v_blank_start_high
;
volatile
u8
v_blank_start_low
;
volatile
u8
v_blank_end
;
volatile
u8
v_sync_start
;
volatile
u8
v_sync_end
;
volatile
u8
xfer_holdoff_start
;
volatile
u8
xfer_holdoff_end
;
};
/* Offset of interesting structures in the OBIO space */
#define CG3_REGS_OFFSET 0x400000UL
#define CG3_RAM_OFFSET 0x800000UL
struct
cg3_par
{
spinlock_t
lock
;
struct
cg3_regs
*
regs
;
u32
sw_cmap
[((
256
*
3
)
+
3
)
/
4
];
u32
flags
;
#define CG3_FLAG_BLANKED 0x00000001
#define CG3_FLAG_RDI 0x00000002
unsigned
long
physbase
;
unsigned
long
fbsize
;
struct
sbus_dev
*
sdev
;
struct
list_head
list
;
};
/**
* cg3_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
cg3_check_var
(
struct
fb_var_screeninfo
*
var
,
struct
fb_info
*
info
)
{
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
;
}
/**
* cg3_set_par - Optional function. Alters the hardware state.
* @info: frame buffer structure that represents a single frame buffer
*/
static
int
cg3_set_par
(
struct
fb_info
*
info
)
{
return
0
;
}
/**
* cg3_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
*
* The cg3 palette is loaded with 4 color values at each time
* so you end up with: (rgb)(r), (gb)(rg), (b)(rgb), and so on.
* We keep a sw copy of the hw cmap to assist us in this esoteric
* loading procedure.
*/
static
int
cg3_setcolreg
(
unsigned
regno
,
unsigned
red
,
unsigned
green
,
unsigned
blue
,
unsigned
transp
,
struct
fb_info
*
info
)
{
struct
cg3_par
*
par
=
(
struct
cg3_par
*
)
info
->
par
;
struct
bt_regs
*
bt
=
&
par
->
regs
->
cmap
;
unsigned
long
flags
;
u32
*
p32
;
u8
*
p8
;
int
count
;
if
(
regno
>=
256
)
return
1
;
red
>>=
8
;
green
>>=
8
;
blue
>>=
8
;
spin_lock_irqsave
(
&
par
->
lock
,
flags
);
p8
=
(
u8
*
)
par
->
sw_cmap
+
(
regno
*
3
);
p8
[
0
]
=
red
;
p8
[
1
]
=
green
;
p8
[
2
]
=
blue
;
#define D4M3(x) ((((x)>>2)<<1) + ((x)>>2))
/* (x/4)*3 */
#define D4M4(x) ((x)&~0x3)
/* (x/4)*4 */
count
=
3
;
p32
=
&
par
->
sw_cmap
[
D4M3
(
regno
)];
sbus_writel
(
D4M4
(
regno
),
&
bt
->
addr
);
while
(
count
--
)
sbus_writel
(
*
p32
++
,
&
bt
->
color_map
);
#undef D4M3
#undef D4M4
spin_unlock_irqrestore
(
&
par
->
lock
,
flags
);
return
0
;
}
/**
* cg3_blank - Optional function. Blanks the display.
* @blank_mode: the blank mode we want.
* @info: frame buffer structure that represents a single frame buffer
*/
static
int
cg3_blank
(
int
blank
,
struct
fb_info
*
info
)
{
struct
cg3_par
*
par
=
(
struct
cg3_par
*
)
info
->
par
;
struct
cg3_regs
*
regs
=
par
->
regs
;
unsigned
long
flags
;
u8
val
;
spin_lock_irqsave
(
&
par
->
lock
,
flags
);
switch
(
blank
)
{
case
0
:
/* Unblanking */
val
=
sbus_readl
(
&
regs
->
control
);
val
|=
CG3_CR_ENABLE_VIDEO
;
sbus_writel
(
val
,
&
regs
->
control
);
par
->
flags
&=
~
CG3_FLAG_BLANKED
;
break
;
case
1
:
/* Normal blanking */
case
2
:
/* VESA blank (vsync off) */
case
3
:
/* VESA blank (hsync off) */
case
4
:
/* Poweroff */
val
=
sbus_readl
(
&
regs
->
control
);
val
|=
CG3_CR_ENABLE_VIDEO
;
sbus_writel
(
val
,
&
regs
->
control
);
par
->
flags
|=
CG3_FLAG_BLANKED
;
break
;
}
spin_unlock_irqrestore
(
&
par
->
lock
,
flags
);
return
0
;
}
static
struct
sbus_mmap_map
cg3_mmap_map
[]
=
{
{
CG3_MMAP_OFFSET
,
CG3_RAM_OFFSET
,
SBUS_MMAP_FBSIZE
(
1
)
},
{
0
,
0
,
0
}
};
static
int
cg3_mmap
(
struct
fb_info
*
info
,
struct
file
*
file
,
struct
vm_area_struct
*
vma
)
{
struct
cg3_par
*
par
=
(
struct
cg3_par
*
)
info
->
par
;
return
sbusfb_mmap_helper
(
cg3_mmap_map
,
par
->
physbase
,
par
->
fbsize
,
par
->
sdev
->
reg_addrs
[
0
].
which_io
,
vma
);
}
/*
* Initialisation
*/
static
void
cg3_init_fix
(
struct
fb_info
*
info
,
int
linebytes
)
{
struct
cg3_par
*
par
=
(
struct
cg3_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_PSEUDOCOLOR
;
info
->
fix
.
line_length
=
linebytes
;
info
->
fix
.
accel
=
FB_ACCEL_SUN_CGTHREE
;
}
static
void
cg3_rdi_maybe_fixup_var
(
struct
fb_var_screeninfo
*
var
,
struct
sbus_dev
*
sdev
)
{
char
buffer
[
40
];
char
*
p
;
int
ww
,
hh
;
*
buffer
=
0
;
prom_getstring
(
sdev
->
prom_node
,
"params"
,
buffer
,
sizeof
(
buffer
));
if
(
*
buffer
)
{
ww
=
simple_strtoul
(
buffer
,
&
p
,
10
);
if
(
ww
&&
*
p
==
'x'
)
{
hh
=
simple_strtoul
(
p
+
1
,
&
p
,
10
);
if
(
hh
&&
*
p
==
'-'
)
{
if
(
var
->
xres
!=
ww
||
var
->
yres
!=
hh
)
{
var
->
xres
=
var
->
xres_virtual
=
ww
;
var
->
yres
=
var
->
yres_virtual
=
hh
;
}
}
}
}
}
static
u8
cg3regvals_66hz
[]
__initdata
=
{
/* 1152 x 900, 66 Hz */
0x14
,
0xbb
,
0x15
,
0x2b
,
0x16
,
0x04
,
0x17
,
0x14
,
0x18
,
0xae
,
0x19
,
0x03
,
0x1a
,
0xa8
,
0x1b
,
0x24
,
0x1c
,
0x01
,
0x1d
,
0x05
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x20
,
0
};
static
u8
cg3regvals_76hz
[]
__initdata
=
{
/* 1152 x 900, 76 Hz */
0x14
,
0xb7
,
0x15
,
0x27
,
0x16
,
0x03
,
0x17
,
0x0f
,
0x18
,
0xae
,
0x19
,
0x03
,
0x1a
,
0xae
,
0x1b
,
0x2a
,
0x1c
,
0x01
,
0x1d
,
0x09
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x24
,
0
};
static
u8
cg3regvals_rdi
[]
__initdata
=
{
/* 640 x 480, cgRDI */
0x14
,
0x70
,
0x15
,
0x20
,
0x16
,
0x08
,
0x17
,
0x10
,
0x18
,
0x06
,
0x19
,
0x02
,
0x1a
,
0x31
,
0x1b
,
0x51
,
0x1c
,
0x06
,
0x1d
,
0x0c
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x22
,
0
};
static
u8
*
cg3_regvals
[]
__initdata
=
{
cg3regvals_66hz
,
cg3regvals_76hz
,
cg3regvals_rdi
};
static
u_char
cg3_dacvals
[]
__initdata
=
{
4
,
0xff
,
5
,
0x00
,
6
,
0x70
,
7
,
0x00
,
0
};
static
void
cg3_do_default_mode
(
struct
cg3_par
*
par
)
{
enum
cg3_type
type
;
u8
*
p
;
if
(
par
->
flags
&
CG3_FLAG_RDI
)
type
=
CG3_RDI
;
else
{
u8
status
=
sbus_readb
(
&
par
->
regs
->
status
),
mon
;
if
((
status
&
CG3_SR_ID_MASK
)
==
CG3_SR_ID_COLOR
)
{
mon
=
status
&
CG3_SR_RES_MASK
;
if
(
mon
==
CG3_SR_1152_900_76_A
||
mon
==
CG3_SR_1152_900_76_B
)
type
=
CG3_AT_76HZ
;
else
type
=
CG3_AT_66HZ
;
}
else
{
prom_printf
(
"cgthree: can't handle SR %02x
\n
"
,
status
);
prom_halt
();
return
;
}
}
for
(
p
=
cg3_regvals
[
type
];
*
p
;
p
+=
2
)
{
u8
*
regp
=
&
((
u8
*
)
par
->
regs
)[
p
[
0
]];
sbus_writeb
(
p
[
1
],
regp
);
}
for
(
p
=
cg3_dacvals
;
*
p
;
p
+=
2
)
{
volatile
u8
*
regp
;
regp
=
(
volatile
u8
*
)
&
par
->
regs
->
cmap
.
addr
;
sbus_writeb
(
p
[
0
],
regp
);
regp
=
(
volatile
u8
*
)
&
par
->
regs
->
cmap
.
control
;
sbus_writeb
(
p
[
1
],
regp
);
}
}
struct
all_info
{
struct
fb_info
info
;
struct
cg3_par
par
;
struct
list_head
list
;
};
static
LIST_HEAD
(
cg3_list
);
static
void
cg3_init_one
(
struct
sbus_dev
*
sdev
)
{
struct
all_info
*
all
;
int
linebytes
;
all
=
kmalloc
(
sizeof
(
*
all
),
GFP_KERNEL
);
if
(
!
all
)
{
printk
(
KERN_ERR
"cg3: Cannot allocate memory.
\n
"
);
return
;
}
memset
(
all
,
0
,
sizeof
(
*
all
));
INIT_LIST_HEAD
(
&
all
->
list
);
spin_lock_init
(
&
all
->
par
.
lock
);
all
->
par
.
sdev
=
sdev
;
all
->
par
.
physbase
=
sdev
->
reg_addrs
[
0
].
phys_addr
;
sbusfb_fill_var
(
&
all
->
info
.
var
,
sdev
->
prom_node
,
8
);
if
(
!
strcmp
(
sdev
->
prom_name
,
"cgRDI"
))
all
->
par
.
flags
|=
CG3_FLAG_RDI
;
if
(
all
->
par
.
flags
&
CG3_FLAG_RDI
)
cg3_rdi_maybe_fixup_var
(
&
all
->
info
.
var
,
sdev
);
linebytes
=
prom_getintdefault
(
sdev
->
prom_node
,
"linebytes"
,
all
->
info
.
var
.
xres
);
all
->
par
.
fbsize
=
PAGE_ALIGN
(
linebytes
*
all
->
info
.
var
.
yres
);
all
->
par
.
regs
=
(
struct
cg3_regs
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG3_REGS_OFFSET
,
sizeof
(
struct
cg3_regs
),
"cg3 regs"
);
all
->
info
.
node
=
NODEV
;
all
->
info
.
flags
=
FBINFO_FLAG_DEFAULT
;
all
->
info
.
fbops
=
&
cg3_ops
;
#ifdef CONFIG_SPARC32
all
->
info
.
screen_base
=
(
char
*
)
prom_getintdefault
(
sdev
->
prom_node
,
"address"
,
0
);
#endif
if
(
!
all
->
info
.
screen_base
)
all
->
info
.
screen_base
=
(
char
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG3_RAM_OFFSET
,
all
->
par
.
fbsize
,
"cg3 ram"
);
all
->
info
.
currcon
=
-
1
;
all
->
info
.
par
=
&
all
->
par
;
cg3_blank
(
0
,
&
all
->
info
);
if
(
!
prom_getbool
(
sdev
->
prom_node
,
"width"
))
cg3_do_default_mode
(
&
all
->
par
);
if
(
fb_alloc_cmap
(
&
all
->
info
.
cmap
,
256
,
0
))
{
printk
(
KERN_ERR
"cg3: Could not allocate color map.
\n
"
);
kfree
(
all
);
return
;
}
cg3_set_par
(
&
all
->
info
);
cg3_init_fix
(
&
all
->
info
,
linebytes
);
if
(
register_framebuffer
(
&
all
->
info
)
<
0
)
{
printk
(
KERN_ERR
"cg3: Could not register framebuffer.
\n
"
);
fb_dealloc_cmap
(
&
all
->
info
.
cmap
);
kfree
(
all
);
return
;
}
list_add
(
&
all
->
list
,
&
cg3_list
);
printk
(
"cg3: %s at %lx:%lx
\n
"
,
sdev
->
prom_name
,
(
long
)
sdev
->
reg_addrs
[
0
].
which_io
,
(
long
)
sdev
->
reg_addrs
[
0
].
phys_addr
);
}
int
__init
cg3_init
(
void
)
{
struct
sbus_bus
*
sbus
;
struct
sbus_dev
*
sdev
;
for_all_sbusdev
(
sdev
,
sbus
)
{
if
(
!
strcmp
(
sdev
->
prom_name
,
"cgthree"
)
||
!
strcmp
(
sdev
->
prom_name
,
"cgRDI"
))
cg3_init_one
(
sdev
);
}
return
0
;
}
void
__exit
cg3_exit
(
void
)
{
struct
list_head
*
pos
,
*
tmp
;
list_for_each_safe
(
pos
,
tmp
,
&
cg3_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
cg3_setup
(
char
*
arg
)
{
/* No cmdline options yet... */
return
0
;
}
#ifdef MODULE
module_init
(
cg3_init
);
module_exit
(
cg3_exit
);
#endif
MODULE_DESCRIPTION
(
"framebuffer driver for CGthree chipsets"
);
MODULE_AUTHOR
(
"David S. Miller <davem@redhat.com>"
);
MODULE_LICENSE
(
"GPL"
);
drivers/video/cg
sixfb
.c
→
drivers/video/cg
6
.c
View file @
57b55f79
/* $Id: cgsixfb.c,v 1.26 2001/10/16 05:44:44 davem Exp $
/* cg6.c: CGSIX (GX, GXplus, TGX) frame buffer driver
* cgsixfb.c: CGsix (GX,GXplus) frame buffer driver
*
*
* Copyright (C) 2003 David S. Miller (davem@redhat.com)
* Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
* Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
* Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
* Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
* Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
* Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
*
* Driver layout based loosely on tgafb.c, see that file for credits.
*/
*/
#include <linux/module.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/fb.h>
#include <linux/init.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/io.h>
#include <asm/sbus.h>
#include <asm/oplib.h>
#include <asm/fbio.h>
#include "sbuslib.h"
/*
* Local functions.
*/
static
int
cg6_check_var
(
struct
fb_var_screeninfo
*
,
struct
fb_info
*
);
static
int
cg6_set_par
(
struct
fb_info
*
);
static
int
cg6_setcolreg
(
unsigned
,
unsigned
,
unsigned
,
unsigned
,
unsigned
,
struct
fb_info
*
);
static
int
cg6_blank
(
int
,
struct
fb_info
*
);
static
void
cg6_imageblit
(
struct
fb_info
*
,
struct
fb_image
*
);
static
void
cg6_fillrect
(
struct
fb_info
*
,
struct
fb_fillrect
*
);
static
int
cg6_sync
(
struct
fb_info
*
);
static
int
cg6_mmap
(
struct
fb_info
*
,
struct
file
*
,
struct
vm_area_struct
*
);
/*
* Frame buffer operations
*/
static
struct
fb_ops
cg6_ops
=
{
.
owner
=
THIS_MODULE
,
.
fb_check_var
=
cg6_check_var
,
.
fb_set_par
=
cg6_set_par
,
.
fb_setcolreg
=
cg6_setcolreg
,
.
fb_blank
=
cg6_blank
,
.
fb_fillrect
=
cg6_fillrect
,
.
fb_copyarea
=
cfb_copyarea
,
.
fb_imageblit
=
cg6_imageblit
,
.
fb_sync
=
cg6_sync
,
.
fb_mmap
=
cg6_mmap
,
.
fb_cursor
=
soft_cursor
,
};
/* Offset of interesting structures in the OBIO space */
/* Offset of interesting structures in the OBIO space */
/*
/*
...
@@ -128,8 +162,6 @@
...
@@ -128,8 +162,6 @@
#define CG6_THC_MISC_INT (1 << 4)
#define CG6_THC_MISC_INT (1 << 4)
#define CG6_THC_MISC_INIT 0x9f
#define CG6_THC_MISC_INIT 0x9f
MODULE_LICENSE
(
"GPL"
);
/* The contents are unknown */
/* The contents are unknown */
struct
cg6_tec
{
struct
cg6_tec
{
volatile
int
tec_matrix
;
volatile
int
tec_matrix
;
...
@@ -210,430 +242,385 @@ struct cg6_fbc {
...
@@ -210,430 +242,385 @@ struct cg6_fbc {
volatile
u32
rectr
,
rectg
,
rectb
,
recta
;
volatile
u32
rectr
,
rectg
,
rectb
,
recta
;
};
};
static
struct
sbus_mmap_map
cg6_mmap_map
[]
=
{
struct
bt_regs
{
{
CG6_FBC
,
CG6_FBC_OFFSET
,
PAGE_SIZE
},
volatile
u32
addr
;
{
CG6_TEC
,
CG6_TEC_OFFSET
,
PAGE_SIZE
},
volatile
u32
color_map
;
{
CG6_BTREGS
,
CG6_BROOKTREE_OFFSET
,
PAGE_SIZE
},
volatile
u32
control
;
{
CG6_FHC
,
CG6_FHC_OFFSET
,
PAGE_SIZE
},
volatile
u32
cursor
;
{
CG6_THC
,
CG6_THC_OFFSET
,
PAGE_SIZE
},
{
CG6_ROM
,
CG6_ROM_OFFSET
,
0x10000
},
{
CG6_RAM
,
CG6_RAM_OFFSET
,
SBUS_MMAP_FBSIZE
(
1
)
},
{
CG6_DHC
,
CG6_DHC_OFFSET
,
0x40000
},
{
0
,
0
,
0
}
};
};
static
void
cg6_setup
(
struct
display
*
p
)
struct
cg6_par
{
{
spinlock_t
lock
;
p
->
next_line
=
p
->
fb_info
->
var
.
xres_virtual
;
struct
bt_regs
*
bt
;
p
->
next_plane
=
0
;
struct
cg6_fbc
*
fbc
;
}
struct
cg6_thc
*
thc
;
struct
cg6_tec
*
tec
;
volatile
u32
*
fhc
;
u32
flags
;
#define CG6_FLAG_BLANKED 0x00000001
unsigned
long
physbase
;
unsigned
long
fbsize
;
struct
sbus_dev
*
sdev
;
struct
list_head
list
;
};
static
void
cg6_clear
(
struct
vc_data
*
conp
,
struct
display
*
p
,
int
sy
,
int
sx
,
static
int
cg6_sync
(
struct
fb_info
*
info
)
int
height
,
int
width
)
{
{
struct
fb_info_sbusfb
*
fb
=
sbusfbinfo
(
p
->
fb_info
);
struct
cg6_par
*
par
=
(
struct
cg6_par
*
)
info
->
par
;
register
struct
cg6_fbc
*
fbc
=
fb
->
s
.
cg6
.
fbc
;
struct
cg6_fbc
*
fbc
=
par
->
fbc
;
unsigned
long
flags
;
int
limit
=
10000
;
int
x
,
y
,
w
,
h
;
int
i
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
do
{
do
{
i
=
sbus_readl
(
&
fbc
->
s
);
if
(
!
(
sbus_readl
(
&
fbc
->
s
)
&
0x10000000
))
}
while
(
i
&
0x10000000
);
break
;
sbus_writel
(
attr_bgcol_ec
(
p
,
conp
),
&
fbc
->
fg
);
udelay
(
10
);
sbus_writel
(
attr_bgcol_ec
(
p
,
conp
),
&
fbc
->
bg
);
}
while
(
--
limit
>
0
);
sbus_writel
(
~
0
,
&
fbc
->
pixelm
);
sbus_writel
(
0xea80ff00
,
&
fbc
->
alu
);
sbus_writel
(
0
,
&
fbc
->
s
);
sbus_writel
(
0
,
&
fbc
->
clip
);
sbus_writel
(
~
0
,
&
fbc
->
pm
);
if
(
fontheightlog
(
p
))
{
return
0
;
y
=
sy
<<
fontheightlog
(
p
);
h
=
height
<<
fontheightlog
(
p
);
}
else
{
y
=
sy
*
fontheight
(
p
);
h
=
height
*
fontheight
(
p
);
}
if
(
fontwidthlog
(
p
))
{
x
=
sx
<<
fontwidthlog
(
p
);
w
=
width
<<
fontwidthlog
(
p
);
}
else
{
x
=
sx
*
fontwidth
(
p
);
w
=
width
*
fontwidth
(
p
);
}
sbus_writel
(
y
+
fb
->
y_margin
,
&
fbc
->
arecty
);
sbus_writel
(
x
+
fb
->
x_margin
,
&
fbc
->
arectx
);
sbus_writel
(
y
+
fb
->
y_margin
+
h
,
&
fbc
->
arecty
);
sbus_writel
(
x
+
fb
->
x_margin
+
w
,
&
fbc
->
arectx
);
do
{
i
=
sbus_readl
(
&
fbc
->
draw
);
}
while
(
i
<
0
&&
(
i
&
0x20000000
));
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
}
}
static
void
cg6_fill
(
struct
fb_info_sbusfb
*
fb
,
struct
display
*
p
,
int
s
,
/**
int
count
,
unsigned
short
*
boxes
)
* cg6_fillrect - REQUIRED function. Can use generic routines if
* non acclerated hardware and packed pixel based.
* Draws a rectangle on the screen.
*
* @info: frame buffer structure that represents a single frame buffer
* @rect: structure defining the rectagle and operation.
*/
static
void
cg6_fillrect
(
struct
fb_info
*
info
,
struct
fb_fillrect
*
rect
)
{
{
int
i
;
struct
cg6_par
*
par
=
(
struct
cg6_par
*
)
info
->
par
;
register
struct
cg6_fbc
*
fbc
=
fb
->
s
.
cg6
.
fbc
;
struct
cg6_fbc
*
fbc
=
par
->
fbc
;
unsigned
long
flags
;
unsigned
long
flags
;
s32
val
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
/* XXX doesn't handle ROP_XOR */
do
{
i
=
sbus_readl
(
&
fbc
->
s
);
spin_lock_irqsave
(
&
par
->
lock
,
flags
);
}
while
(
i
&
0x10000000
);
cg6_sync
(
info
);
sbus_writel
(
attr_bgcol
(
p
,
s
),
&
fbc
->
fg
);
sbus_writel
(
rect
->
color
,
&
fbc
->
fg
);
sbus_writel
(
attr_bgcol
(
p
,
s
),
&
fbc
->
bg
);
sbus_writel
(
~
(
u32
)
0
,
&
fbc
->
pixelm
);
sbus_writel
(
~
0
,
&
fbc
->
pixelm
);
sbus_writel
(
0xea80ff00
,
&
fbc
->
alu
);
sbus_writel
(
0xea80ff00
,
&
fbc
->
alu
);
sbus_writel
(
0
,
&
fbc
->
s
);
sbus_writel
(
0
,
&
fbc
->
s
);
sbus_writel
(
0
,
&
fbc
->
clip
);
sbus_writel
(
0
,
&
fbc
->
clip
);
sbus_writel
(
~
0
,
&
fbc
->
pm
);
sbus_writel
(
~
(
u32
)
0
,
&
fbc
->
pm
);
while
(
count
--
>
0
)
{
sbus_writel
(
rect
->
dy
,
&
fbc
->
arecty
);
sbus_writel
(
boxes
[
1
],
&
fbc
->
arecty
);
sbus_writel
(
rect
->
dx
,
&
fbc
->
arectx
);
sbus_writel
(
boxes
[
0
],
&
fbc
->
arectx
);
sbus_writel
(
rect
->
dy
+
rect
->
height
,
&
fbc
->
arecty
);
sbus_writel
(
boxes
[
3
],
&
fbc
->
arecty
);
sbus_writel
(
rect
->
dx
+
rect
->
width
,
&
fbc
->
arectx
);
sbus_writel
(
boxes
[
2
],
&
fbc
->
arectx
);
boxes
+=
4
;
do
{
do
{
i
=
sbus_readl
(
&
fbc
->
draw
);
val
=
sbus_readl
(
&
fbc
->
draw
);
}
while
(
i
<
0
&&
(
i
&
0x20000000
));
}
while
(
val
<
0
&&
(
val
&
0x20000000
));
}
spin_unlock_irqrestore
(
&
par
->
lock
,
flags
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
}
}
static
void
cg6_putc
(
struct
vc_data
*
conp
,
struct
display
*
p
,
int
c
,
int
yy
,
int
xx
)
/**
* cg6_imageblit - REQUIRED function. Can use generic routines if
* non acclerated hardware and packed pixel based.
* Copies a image from system memory to the screen.
*
* @info: frame buffer structure that represents a single frame buffer
* @image: structure defining the image.
*/
static
void
cg6_imageblit
(
struct
fb_info
*
info
,
struct
fb_image
*
image
)
{
{
struct
fb_info_sbusfb
*
fb
=
sbusfbinfo
(
p
->
fb_info
);
struct
cg6_par
*
par
=
(
struct
cg6_par
*
)
info
->
par
;
register
struct
cg6_fbc
*
fbc
=
fb
->
s
.
cg6
.
fbc
;
struct
cg6_fbc
*
fbc
=
par
->
fbc
;
u8
*
data
=
image
->
data
;
unsigned
long
flags
;
unsigned
long
flags
;
int
i
,
x
,
y
;
u32
x
,
y
;
u8
*
fd
;
int
i
,
width
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
if
(
image
->
depth
>
1
)
{
if
(
fontheightlog
(
p
))
{
cfb_imageblit
(
info
,
image
);
y
=
fb
->
y_margin
+
(
yy
<<
fontheightlog
(
p
));
return
;
i
=
((
c
&
p
->
charmask
)
<<
fontheightlog
(
p
));
}
else
{
y
=
fb
->
y_margin
+
(
yy
*
fontheight
(
p
));
i
=
(
c
&
p
->
charmask
)
*
fontheight
(
p
);
}
}
if
(
fontwidth
(
p
)
<=
8
)
fd
=
p
->
fontdata
+
i
;
else
fd
=
p
->
fontdata
+
(
i
<<
1
);
if
(
fontwidthlog
(
p
))
x
=
fb
->
x_margin
+
(
xx
<<
fontwidthlog
(
p
));
else
x
=
fb
->
x_margin
+
(
xx
*
fontwidth
(
p
));
do
{
i
=
sbus_readl
(
&
fbc
->
s
);
}
while
(
i
&
0x10000000
);
sbus_writel
(
attr_fgcol
(
p
,
c
),
&
fbc
->
fg
);
sbus_writel
(
attr_bgcol
(
p
,
c
),
&
fbc
->
bg
);
sbus_writel
(
0x140000
,
&
fbc
->
mode
);
sbus_writel
(
0xe880fc30
,
&
fbc
->
alu
);
sbus_writel
(
~
0
,
&
fbc
->
pixelm
);
sbus_writel
(
0
,
&
fbc
->
s
);
sbus_writel
(
0
,
&
fbc
->
clip
);
sbus_writel
(
0xff
,
&
fbc
->
pm
);
sbus_writel
(
0
,
&
fbc
->
incx
);
sbus_writel
(
1
,
&
fbc
->
incy
);
sbus_writel
(
x
,
&
fbc
->
x0
);
sbus_writel
(
x
+
fontwidth
(
p
)
-
1
,
&
fbc
->
x1
);
sbus_writel
(
y
,
&
fbc
->
y0
);
if
(
fontwidth
(
p
)
<=
8
)
{
for
(
i
=
0
;
i
<
fontheight
(
p
);
i
++
)
{
u32
val
=
*
fd
++
<<
24
;
sbus_writel
(
val
,
&
fbc
->
font
);
}
}
else
{
for
(
i
=
0
;
i
<
fontheight
(
p
);
i
++
)
{
u32
val
=
*
(
u16
*
)
fd
<<
16
;
sbus_writel
(
val
,
&
fbc
->
font
);
spin_lock_irqsave
(
&
par
->
lock
,
flags
);
fd
+=
2
;
}
}
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
}
static
void
cg6_putcs
(
struct
vc_data
*
conp
,
struct
display
*
p
,
const
unsigned
short
*
s
,
cg6_sync
(
info
);
int
count
,
int
yy
,
int
xx
)
{
struct
fb_info_sbusfb
*
fb
=
sbusfbinfo
(
p
->
fb_info
);
register
struct
cg6_fbc
*
fbc
=
fb
->
s
.
cg6
.
fbc
;
unsigned
long
flags
;
int
i
,
x
,
y
;
u8
*
fd1
,
*
fd2
,
*
fd3
,
*
fd4
;
u16
c
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
sbus_writel
(
image
->
fg_color
,
&
fbc
->
fg
);
do
{
sbus_writel
(
image
->
bg_color
,
&
fbc
->
bg
);
i
=
sbus_readl
(
&
fbc
->
s
);
}
while
(
i
&
0x10000000
);
c
=
scr_readw
(
s
);
sbus_writel
(
attr_fgcol
(
p
,
c
),
&
fbc
->
fg
);
sbus_writel
(
attr_bgcol
(
p
,
c
),
&
fbc
->
bg
);
sbus_writel
(
0x140000
,
&
fbc
->
mode
);
sbus_writel
(
0x140000
,
&
fbc
->
mode
);
sbus_writel
(
0xe880fc30
,
&
fbc
->
alu
);
sbus_writel
(
0xe880fc30
,
&
fbc
->
alu
);
sbus_writel
(
~
0
,
&
fbc
->
pixelm
);
sbus_writel
(
~
(
u32
)
0
,
&
fbc
->
pixelm
);
sbus_writel
(
0
,
&
fbc
->
s
);
sbus_writel
(
0
,
&
fbc
->
s
);
sbus_writel
(
0
,
&
fbc
->
clip
);
sbus_writel
(
0
,
&
fbc
->
clip
);
sbus_writel
(
0xff
,
&
fbc
->
pm
);
sbus_writel
(
0xff
,
&
fbc
->
pm
);
x
=
fb
->
x_margin
;
sbus_writel
(
32
,
&
fbc
->
incx
);
y
=
fb
->
y_margin
;
sbus_writel
(
0
,
&
fbc
->
incy
);
if
(
fontwidthlog
(
p
))
x
+=
(
xx
<<
fontwidthlog
(
p
));
x
=
image
->
dx
;
else
y
=
image
->
dy
;
x
+=
xx
*
fontwidth
(
p
);
for
(
i
=
0
;
i
<
image
->
height
;
i
++
)
{
if
(
fontheightlog
(
p
))
width
=
image
->
width
;
y
+=
(
yy
<<
fontheightlog
(
p
));
else
while
(
width
>=
32
)
{
y
+=
(
yy
*
fontheight
(
p
));
u32
val
;
if
(
fontwidth
(
p
)
<=
8
)
{
while
(
count
>=
4
)
{
count
-=
4
;
sbus_writel
(
0
,
&
fbc
->
incx
);
sbus_writel
(
1
,
&
fbc
->
incy
);
sbus_writel
(
x
,
&
fbc
->
x0
);
sbus_writel
((
x
+=
4
*
fontwidth
(
p
))
-
1
,
&
fbc
->
x1
);
sbus_writel
(
y
,
&
fbc
->
y0
);
sbus_writel
(
y
,
&
fbc
->
y0
);
if
(
fontheightlog
(
p
))
{
fd1
=
p
->
fontdata
+
((
scr_readw
(
s
++
)
&
p
->
charmask
)
<<
fontheightlog
(
p
));
fd2
=
p
->
fontdata
+
((
scr_readw
(
s
++
)
&
p
->
charmask
)
<<
fontheightlog
(
p
));
fd3
=
p
->
fontdata
+
((
scr_readw
(
s
++
)
&
p
->
charmask
)
<<
fontheightlog
(
p
));
fd4
=
p
->
fontdata
+
((
scr_readw
(
s
++
)
&
p
->
charmask
)
<<
fontheightlog
(
p
));
}
else
{
fd1
=
p
->
fontdata
+
((
scr_readw
(
s
++
)
&
p
->
charmask
)
*
fontheight
(
p
));
fd2
=
p
->
fontdata
+
((
scr_readw
(
s
++
)
&
p
->
charmask
)
*
fontheight
(
p
));
fd3
=
p
->
fontdata
+
((
scr_readw
(
s
++
)
&
p
->
charmask
)
*
fontheight
(
p
));
fd4
=
p
->
fontdata
+
((
scr_readw
(
s
++
)
&
p
->
charmask
)
*
fontheight
(
p
));
}
if
(
fontwidth
(
p
)
==
8
)
{
for
(
i
=
0
;
i
<
fontheight
(
p
);
i
++
)
{
u32
val
=
((
u32
)
*
fd4
++
)
|
((((
u32
)
*
fd3
++
)
|
((((
u32
)
*
fd2
++
)
|
(((
u32
)
*
fd1
++
)
<<
8
))
<<
8
))
<<
8
);
sbus_writel
(
val
,
&
fbc
->
font
);
}
}
else
{
for
(
i
=
0
;
i
<
fontheight
(
p
);
i
++
)
{
u32
val
=
(((
u32
)
*
fd4
++
)
|
((((
u32
)
*
fd3
++
)
|
((((
u32
)
*
fd2
++
)
|
(((
u32
)
*
fd1
++
)
<<
fontwidth
(
p
)))
<<
fontwidth
(
p
)))
<<
fontwidth
(
p
)))
<<
(
24
-
3
*
fontwidth
(
p
));
sbus_writel
(
val
,
&
fbc
->
font
);
}
}
}
}
else
{
while
(
count
>=
2
)
{
count
-=
2
;
sbus_writel
(
0
,
&
fbc
->
incx
);
sbus_writel
(
1
,
&
fbc
->
incy
);
sbus_writel
(
x
,
&
fbc
->
x0
);
sbus_writel
(
x
,
&
fbc
->
x0
);
sbus_writel
((
x
+=
2
*
fontwidth
(
p
))
-
1
,
&
fbc
->
x1
);
sbus_writel
(
x
+
32
-
1
,
&
fbc
->
x1
);
sbus_writel
(
y
,
&
fbc
->
y0
);
if
(
fontheightlog
(
p
))
{
val
=
((
u32
)
data
[
0
]
<<
24
)
|
fd1
=
p
->
fontdata
+
((
scr_readw
(
s
++
)
&
p
->
charmask
)
<<
(
fontheightlog
(
p
)
+
1
));
((
u32
)
data
[
1
]
<<
16
)
|
fd2
=
p
->
fontdata
+
((
scr_readw
(
s
++
)
&
p
->
charmask
)
<<
(
fontheightlog
(
p
)
+
1
));
((
u32
)
data
[
2
]
<<
8
)
|
}
else
{
((
u32
)
data
[
3
]
<<
0
);
fd1
=
p
->
fontdata
+
(((
scr_readw
(
s
++
)
&
p
->
charmask
)
*
fontheight
(
p
))
<<
1
);
fd2
=
p
->
fontdata
+
(((
scr_readw
(
s
++
)
&
p
->
charmask
)
*
fontheight
(
p
))
<<
1
);
}
for
(
i
=
0
;
i
<
fontheight
(
p
);
i
++
)
{
u32
val
=
((((
u32
)
*
(
u16
*
)
fd1
)
<<
fontwidth
(
p
))
|
((
u32
)
*
(
u16
*
)
fd2
))
<<
(
16
-
fontwidth
(
p
));
sbus_writel
(
val
,
&
fbc
->
font
);
sbus_writel
(
val
,
&
fbc
->
font
);
fd1
+=
2
;
fd2
+=
2
;
}
data
+=
4
;
}
x
+=
32
;
width
-=
32
;
}
}
while
(
count
)
{
if
(
width
)
{
count
--
;
u32
val
;
sbus_writel
(
0
,
&
fbc
->
incx
);
sbus_writel
(
1
,
&
fbc
->
incy
);
sbus_writel
(
x
,
&
fbc
->
x0
);
sbus_writel
((
x
+=
fontwidth
(
p
))
-
1
,
&
fbc
->
x1
);
sbus_writel
(
y
,
&
fbc
->
y0
);
sbus_writel
(
y
,
&
fbc
->
y0
);
if
(
fontheightlog
(
p
))
sbus_writel
(
x
,
&
fbc
->
x0
);
i
=
((
scr_readw
(
s
++
)
&
p
->
charmask
)
<<
fontheightlog
(
p
));
sbus_writel
(
x
+
width
-
1
,
&
fbc
->
x1
);
else
if
(
width
<=
8
)
{
i
=
((
scr_readw
(
s
++
)
&
p
->
charmask
)
*
fontheight
(
p
));
val
=
(
u32
)
data
[
0
]
<<
24
;
if
(
fontwidth
(
p
)
<=
8
)
{
data
+=
1
;
fd1
=
p
->
fontdata
+
i
;
}
else
if
(
width
<=
16
)
{
for
(
i
=
0
;
i
<
fontheight
(
p
);
i
++
)
{
val
=
((
u32
)
data
[
0
]
<<
24
)
|
u32
val
=
*
fd1
++
<<
24
;
((
u32
)
data
[
1
]
<<
16
);
sbus_writel
(
val
,
&
fbc
->
font
);
data
+=
2
;
}
}
else
{
}
else
{
fd1
=
p
->
fontdata
+
(
i
<<
1
);
val
=
((
u32
)
data
[
0
]
<<
24
)
|
for
(
i
=
0
;
i
<
fontheight
(
p
);
i
++
)
{
((
u32
)
data
[
1
]
<<
16
)
|
u32
val
=
*
(
u16
*
)
fd1
<<
16
;
((
u32
)
data
[
2
]
<<
8
);
sbus_writel
(
val
,
&
fbc
->
font
);
data
+=
3
;
fd1
+=
2
;
}
}
sbus_writel
(
val
,
&
fbc
->
font
);
}
}
y
+=
1
;
x
=
image
->
dx
;
}
}
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
spin_unlock_irqrestore
(
&
par
->
lock
,
flags
);
}
/**
* cg6_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
cg6_check_var
(
struct
fb_var_screeninfo
*
var
,
struct
fb_info
*
info
)
{
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
cg6_revc
(
struct
display
*
p
,
int
xx
,
int
yy
)
/**
* cg6_set_par - Optional function. Alters the hardware state.
* @info: frame buffer structure that represents a single frame buffer
*/
static
int
cg6_set_par
(
struct
fb_info
*
info
)
{
{
/* Not used if hw cursor */
return
0
;
}
}
static
void
cg6_loadcmap
(
struct
fb_info_sbusfb
*
fb
,
struct
display
*
p
,
int
index
,
int
count
)
/**
* cg6_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
cg6_setcolreg
(
unsigned
regno
,
unsigned
red
,
unsigned
green
,
unsigned
blue
,
unsigned
transp
,
struct
fb_info
*
info
)
{
{
struct
bt_regs
*
bt
=
fb
->
s
.
cg6
.
bt
;
struct
cg6_par
*
par
=
(
struct
cg6_par
*
)
info
->
par
;
struct
bt_regs
*
bt
=
par
->
bt
;
unsigned
long
flags
;
unsigned
long
flags
;
int
i
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
if
(
regno
>=
256
)
sbus_writel
(
index
<<
24
,
&
bt
->
addr
);
return
1
;
for
(
i
=
index
;
count
--
;
i
++
){
sbus_writel
(
fb
->
color_map
CM
(
i
,
0
)
<<
24
,
red
>>=
8
;
&
bt
->
color_map
);
green
>>=
8
;
sbus_writel
(
fb
->
color_map
CM
(
i
,
1
)
<<
24
,
blue
>>=
8
;
&
bt
->
color_map
);
sbus_writel
(
fb
->
color_map
CM
(
i
,
2
)
<<
24
,
spin_lock_irqsave
(
&
par
->
lock
,
flags
);
&
bt
->
color_map
);
}
sbus_writel
((
u32
)
regno
<<
24
,
&
bt
->
addr
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
sbus_writel
((
u32
)
red
<<
24
,
&
bt
->
color_map
);
sbus_writel
((
u32
)
green
<<
24
,
&
bt
->
color_map
);
sbus_writel
((
u32
)
blue
<<
24
,
&
bt
->
color_map
);
spin_unlock_irqrestore
(
&
par
->
lock
,
flags
);
return
0
;
}
}
static
void
cg6_restore_palette
(
struct
fb_info_sbusfb
*
fb
)
/**
* cg6_blank - Optional function. Blanks the display.
* @blank_mode: the blank mode we want.
* @info: frame buffer structure that represents a single frame buffer
*/
static
int
cg6_blank
(
int
blank
,
struct
fb_info
*
info
)
{
{
struct
bt_regs
*
bt
=
fb
->
s
.
cg6
.
bt
;
struct
cg6_par
*
par
=
(
struct
cg6_par
*
)
info
->
par
;
struct
cg6_thc
*
thc
=
par
->
thc
;
unsigned
long
flags
;
unsigned
long
flags
;
u32
val
;
spin_lock_irqsave
(
&
par
->
lock
,
flags
);
switch
(
blank
)
{
case
0
:
/* Unblanking */
val
=
sbus_readl
(
&
thc
->
thc_misc
);
val
|=
CG6_THC_MISC_VIDEO
;
sbus_writel
(
val
,
&
thc
->
thc_misc
);
par
->
flags
&=
~
CG6_FLAG_BLANKED
;
break
;
case
1
:
/* Normal blanking */
case
2
:
/* VESA blank (vsync off) */
case
3
:
/* VESA blank (hsync off) */
case
4
:
/* Poweroff */
val
=
sbus_readl
(
&
thc
->
thc_misc
);
val
&=
~
CG6_THC_MISC_VIDEO
;
sbus_writel
(
val
,
&
thc
->
thc_misc
);
par
->
flags
|=
CG6_FLAG_BLANKED
;
break
;
}
spin_unlock_irqrestore
(
&
par
->
lock
,
flags
);
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
return
0
;
sbus_writel
(
0
,
&
bt
->
addr
);
sbus_writel
(
0xffffffff
,
&
bt
->
color_map
);
sbus_writel
(
0xffffffff
,
&
bt
->
color_map
);
sbus_writel
(
0xffffffff
,
&
bt
->
color_map
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
}
}
static
struct
display_switch
cg6_dispsw
__initdata
=
{
static
struct
sbus_mmap_map
cg6_mmap_map
[]
=
{
.
setup
=
cg6_setup
,
{
CG6_FBC
,
CG6_FBC_OFFSET
,
PAGE_SIZE
},
.
bmove
=
fbcon_redraw_bmove
,
{
CG6_TEC
,
CG6_TEC_OFFSET
,
PAGE_SIZE
},
.
clear
=
cg6_clear
,
{
CG6_BTREGS
,
CG6_BROOKTREE_OFFSET
,
PAGE_SIZE
},
.
putc
=
cg6_putc
,
{
CG6_FHC
,
CG6_FHC_OFFSET
,
PAGE_SIZE
},
.
putcs
=
cg6_putcs
,
{
CG6_THC
,
CG6_THC_OFFSET
,
PAGE_SIZE
},
.
revc
=
cg6_revc
,
{
CG6_ROM
,
CG6_ROM_OFFSET
,
0x10000
},
.
fontwidthmask
=
FONTWIDTHRANGE
(
1
,
16
)
/* Allow fontwidths up to 16 */
{
CG6_RAM
,
CG6_RAM_OFFSET
,
SBUS_MMAP_FBSIZE
(
1
)
},
{
CG6_DHC
,
CG6_DHC_OFFSET
,
0x40000
},
{
0
,
0
,
0
}
};
};
static
void
cg6_setcursormap
(
struct
fb_info_sbusfb
*
fb
,
u8
*
red
,
u8
*
green
,
u8
*
blue
)
static
int
cg6_mmap
(
struct
fb_info
*
info
,
struct
file
*
file
,
struct
vm_area_struct
*
vma
)
{
{
struct
bt_regs
*
bt
=
fb
->
s
.
cg6
.
bt
;
struct
cg6_par
*
par
=
(
struct
cg6_par
*
)
info
->
par
;
unsigned
long
flags
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
return
sbusfb_mmap_helper
(
cg6_mmap_map
,
sbus_writel
(
1
<<
24
,
&
bt
->
addr
);
par
->
physbase
,
par
->
fbsize
,
sbus_writel
(
red
[
0
]
<<
24
,
&
bt
->
cursor
);
par
->
sdev
->
reg_addrs
[
0
].
which_io
,
sbus_writel
(
green
[
0
]
<<
24
,
&
bt
->
cursor
);
vma
);
sbus_writel
(
blue
[
0
]
<<
24
,
&
bt
->
cursor
);
sbus_writel
(
3
<<
24
,
&
bt
->
addr
);
sbus_writel
(
red
[
1
]
<<
24
,
&
bt
->
cursor
);
sbus_writel
(
green
[
1
]
<<
24
,
&
bt
->
cursor
);
sbus_writel
(
blue
[
1
]
<<
24
,
&
bt
->
cursor
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
}
}
/* Set cursor shape */
/*
static
void
cg6_setcurshape
(
struct
fb_info_sbusfb
*
fb
)
* Initialisation
*/
static
void
cg6_init_fix
(
struct
fb_info
*
info
,
int
linebytes
)
{
{
struct
cg6_
thc
*
thc
=
fb
->
s
.
cg6
.
thc
;
struct
cg6_
par
*
par
=
(
struct
cg6_par
*
)
info
->
par
;
unsigned
long
flags
;
const
char
*
cg6_cpu_name
,
*
cg6_card_name
;
int
i
;
u32
conf
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
conf
=
sbus_readl
(
par
->
fhc
);
for
(
i
=
0
;
i
<
32
;
i
++
)
{
switch
(
conf
&
CG6_FHC_CPU_MASK
)
{
sbus_writel
(
fb
->
cursor
.
bits
[
0
][
i
],
case
CG6_FHC_CPU_SPARC
:
&
thc
->
thc_cursmask
[
i
]);
cg6_cpu_name
=
"sparc"
;
sbus_writel
(
fb
->
cursor
.
bits
[
1
][
i
],
break
;
&
thc
->
thc_cursbits
[
i
]);
case
CG6_FHC_CPU_68020
:
cg6_cpu_name
=
"68020"
;
break
;
default:
cg6_cpu_name
=
"i386"
;
break
;
};
if
(((
conf
>>
CG6_FHC_REV_SHIFT
)
&
CG6_FHC_REV_MASK
)
>=
11
)
{
if
(
par
->
fbsize
<=
0x100000
)
{
cg6_card_name
=
"TGX"
;
}
else
{
cg6_card_name
=
"TGX+"
;
}
}
else
{
if
(
par
->
fbsize
<=
0x100000
)
{
cg6_card_name
=
"GX"
;
}
else
{
cg6_card_name
=
"GX+"
;
}
}
}
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
}
/* Load cursor information */
sprintf
(
info
->
fix
.
id
,
"%s %s"
,
cg6_card_name
,
cg6_cpu_name
);
static
void
cg6_setcursor
(
struct
fb_info_sbusfb
*
fb
)
info
->
fix
.
id
[
sizeof
(
info
->
fix
.
id
)
-
1
]
=
0
;
{
unsigned
int
v
;
unsigned
long
flags
;
struct
cg_cursor
*
c
=
&
fb
->
cursor
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
if
(
c
->
enable
)
v
=
((
c
->
cpos
.
fbx
-
c
->
chot
.
fbx
)
<<
16
)
|
((
c
->
cpos
.
fby
-
c
->
chot
.
fby
)
&
0xffff
);
else
/* Magic constant to turn off the cursor */
v
=
((
65536
-
32
)
<<
16
)
|
(
65536
-
32
);
sbus_writel
(
v
,
&
fb
->
s
.
cg6
.
thc
->
thc_cursxy
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
}
static
int
cg6_blank
(
struct
fb_info_sbusfb
*
fb
)
info
->
fix
.
type
=
FB_TYPE_PACKED_PIXELS
;
{
info
->
fix
.
visual
=
FB_VISUAL_PSEUDOCOLOR
;
unsigned
long
flags
;
u32
tmp
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
info
->
fix
.
line_length
=
linebytes
;
tmp
=
sbus_readl
(
&
fb
->
s
.
cg6
.
thc
->
thc_misc
);
tmp
&=
~
CG6_THC_MISC_VIDEO
;
info
->
fix
.
accel
=
FB_ACCEL_SUN_CGSIX
;
sbus_writel
(
tmp
,
&
fb
->
s
.
cg6
.
thc
->
thc_misc
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
return
0
;
}
}
static
int
cg6_unblank
(
struct
fb_info_sbusfb
*
fb
)
/* Initialize Brooktree DAC */
static
void
cg6_bt_init
(
struct
cg6_par
*
par
)
{
{
unsigned
long
flags
;
struct
bt_regs
*
bt
=
par
->
bt
;
u32
tmp
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
sbus_writel
(
0x04
<<
24
,
&
bt
->
addr
);
/* color planes */
tmp
=
sbus_readl
(
&
fb
->
s
.
cg6
.
thc
->
thc_misc
);
sbus_writel
(
0xff
<<
24
,
&
bt
->
control
);
tmp
|=
CG6_THC_MISC_VIDEO
;
sbus_writel
(
0x05
<<
24
,
&
bt
->
addr
);
sbus_writel
(
tmp
,
&
fb
->
s
.
cg6
.
thc
->
thc_misc
);
sbus_writel
(
0x00
<<
24
,
&
bt
->
control
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
sbus_writel
(
0x06
<<
24
,
&
bt
->
addr
);
/* overlay plane */
return
0
;
sbus_writel
(
0x73
<<
24
,
&
bt
->
control
);
sbus_writel
(
0x07
<<
24
,
&
bt
->
addr
);
sbus_writel
(
0x00
<<
24
,
&
bt
->
control
);
}
}
static
void
cg6_
reset
(
struct
fb_info_sbusfb
*
fb
)
static
void
cg6_
chip_init
(
struct
fb_info
*
info
)
{
{
unsigned
int
rev
,
conf
;
struct
cg6_par
*
par
=
(
struct
cg6_par
*
)
info
->
par
;
struct
cg6_tec
*
tec
=
fb
->
s
.
cg6
.
tec
;
struct
cg6_tec
*
tec
=
par
->
tec
;
struct
cg6_fbc
*
fbc
=
fb
->
s
.
cg6
.
fbc
;
struct
cg6_fbc
*
fbc
=
par
->
fbc
;
unsigned
long
flags
;
u32
rev
,
conf
,
mode
,
tmp
;
u32
mode
,
tmp
;
int
i
;
int
i
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
/* Turn off stuff in the Transform Engine. */
/* Turn off stuff in the Transform Engine. */
sbus_writel
(
0
,
&
tec
->
tec_matrix
);
sbus_writel
(
0
,
&
tec
->
tec_matrix
);
sbus_writel
(
0
,
&
tec
->
tec_clip
);
sbus_writel
(
0
,
&
tec
->
tec_clip
);
sbus_writel
(
0
,
&
tec
->
tec_vdc
);
sbus_writel
(
0
,
&
tec
->
tec_vdc
);
/* Take care of bugs in old revisions. */
/* Take care of bugs in old revisions. */
rev
=
(
sbus_readl
(
fb
->
s
.
cg6
.
fhc
)
>>
CG6_FHC_REV_SHIFT
)
&
CG6_FHC_REV_MASK
;
rev
=
(
sbus_readl
(
par
->
fhc
)
>>
CG6_FHC_REV_SHIFT
)
&
CG6_FHC_REV_MASK
;
if
(
rev
<
5
)
{
if
(
rev
<
5
)
{
conf
=
(
sbus_readl
(
fb
->
s
.
cg6
.
fhc
)
&
CG6_FHC_RES_MASK
)
|
conf
=
(
sbus_readl
(
par
->
fhc
)
&
CG6_FHC_RES_MASK
)
|
CG6_FHC_CPU_68020
|
CG6_FHC_TEST
|
CG6_FHC_CPU_68020
|
CG6_FHC_TEST
|
(
11
<<
CG6_FHC_TEST_X_SHIFT
)
|
(
11
<<
CG6_FHC_TEST_X_SHIFT
)
|
(
11
<<
CG6_FHC_TEST_Y_SHIFT
);
(
11
<<
CG6_FHC_TEST_Y_SHIFT
);
if
(
rev
<
2
)
if
(
rev
<
2
)
conf
|=
CG6_FHC_DST_DISABLE
;
conf
|=
CG6_FHC_DST_DISABLE
;
sbus_writel
(
conf
,
fb
->
s
.
cg6
.
fhc
);
sbus_writel
(
conf
,
par
->
fhc
);
}
}
/* Set things in the FBC. Bad things appear to happen if we do
/* Set things in the FBC. Bad things appear to happen if we do
...
@@ -658,167 +645,149 @@ static void cg6_reset (struct fb_info_sbusfb *fb)
...
@@ -658,167 +645,149 @@ static void cg6_reset (struct fb_info_sbusfb *fb)
sbus_writel
(
0
,
&
fbc
->
offy
);
sbus_writel
(
0
,
&
fbc
->
offy
);
sbus_writel
(
0
,
&
fbc
->
clipminx
);
sbus_writel
(
0
,
&
fbc
->
clipminx
);
sbus_writel
(
0
,
&
fbc
->
clipminy
);
sbus_writel
(
0
,
&
fbc
->
clipminy
);
sbus_writel
(
fb
->
type
.
fb_width
-
1
,
&
fbc
->
clipmaxx
);
sbus_writel
(
info
->
var
.
xres
-
1
,
&
fbc
->
clipmaxx
);
sbus_writel
(
fb
->
type
.
fb_height
-
1
,
&
fbc
->
clipmaxy
);
sbus_writel
(
info
->
var
.
yres
-
1
,
&
fbc
->
clipmaxy
);
/* Enable cursor in Brooktree DAC. */
/* Disable cursor in Brooktree DAC. */
sbus_writel
(
0x06
<<
24
,
&
fb
->
s
.
cg6
.
bt
->
addr
);
sbus_writel
(
0x06
<<
24
,
&
par
->
bt
->
addr
);
tmp
=
sbus_readl
(
&
fb
->
s
.
cg6
.
bt
->
control
);
tmp
=
sbus_readl
(
&
par
->
bt
->
control
);
tmp
|=
0x03
<<
24
;
tmp
&=
~
(
0x03
<<
24
);
sbus_writel
(
tmp
,
&
fb
->
s
.
cg6
.
bt
->
control
);
sbus_writel
(
tmp
,
&
par
->
bt
->
control
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
}
}
static
void
cg6_margins
(
struct
fb_info_sbusfb
*
fb
,
struct
display
*
p
,
int
x_margin
,
int
y_margin
)
struct
all_info
{
{
struct
fb_info
info
;
fb
->
info
.
screen_base
+=
(
y_margin
-
fb
->
y_margin
)
*
struct
cg6_par
par
;
fb
->
info
.
fix
.
line_length
+
(
x_margin
-
fb
->
x_margin
);
struct
list_head
list
;
}
};
static
LIST_HEAD
(
cg6_list
);
static
int
__init
cg6_rasterimg
(
struct
fb_info
*
info
,
int
start
)
static
void
cg6_init_one
(
struct
sbus_dev
*
sdev
)
{
{
struct
fb_info_sbusfb
*
fb
=
sbusfbinfo
(
info
);
struct
all_info
*
all
;
register
struct
cg6_fbc
*
fbc
=
fb
->
s
.
cg6
.
fbc
;
int
linebytes
;
int
i
;
do
{
all
=
kmalloc
(
sizeof
(
*
all
),
GFP_KERNEL
);
i
=
sbus_readl
(
&
fbc
->
s
);
if
(
!
all
)
{
}
while
(
i
&
0x10000000
);
printk
(
KERN_ERR
"cg6: Cannot allocate memory.
\n
"
);
return
0
;
return
;
}
}
memset
(
all
,
0
,
sizeof
(
*
all
));
static
char
idstring
[
70
]
__initdata
=
{
0
};
char
__init
*
cgsixfb_init
(
struct
fb_info_sbusfb
*
fb
)
{
struct
fb_fix_screeninfo
*
fix
=
&
fb
->
info
.
fix
;
struct
fb_var_screeninfo
*
var
=
&
fb
->
info
.
var
;
struct
display
*
disp
=
&
fb
->
disp
;
struct
fbtype
*
type
=
&
fb
->
type
;
struct
sbus_dev
*
sdev
=
fb
->
sbdp
;
unsigned
long
phys
=
sdev
->
reg_addrs
[
0
].
phys_addr
;
u32
conf
;
char
*
p
;
char
*
cardtype
;
struct
bt_regs
*
bt
;
struct
fb_ops
*
fbops
;
fbops
=
kmalloc
(
sizeof
(
*
fbops
),
GFP_KERNEL
);
INIT_LIST_HEAD
(
&
all
->
list
);
if
(
fbops
==
NULL
)
return
NULL
;
*
fbops
=
*
fb
->
info
.
fbops
;
spin_lock_init
(
&
all
->
par
.
lock
);
fbops
->
fb_rasterimg
=
cg6_rasterimg
;
all
->
par
.
sdev
=
sdev
;
fb
->
info
.
fbops
=
fbops
;
if
(
prom_getbool
(
fb
->
prom_node
,
"dblbuf"
))
{
all
->
par
.
physbase
=
sdev
->
reg_addrs
[
0
].
phys_addr
;
type
->
fb_size
*=
4
;
fix
->
smem_len
*=
4
;
}
fix
->
line_length
=
fb
->
info
.
var
.
xres_virtual
;
sbusfb_fill_var
(
&
all
->
info
.
var
,
sdev
->
prom_node
,
8
);
fix
->
accel
=
FB_ACCEL_SUN_CGSIX
;
var
->
accel_flags
=
FB_ACCELF_TEXT
;
linebytes
=
prom_getintdefault
(
sdev
->
prom_node
,
"linebytes"
,
all
->
info
.
var
.
xres
);
all
->
par
.
fbsize
=
PAGE_ALIGN
(
linebytes
*
all
->
info
.
var
.
yres
);
if
(
prom_getbool
(
sdev
->
prom_node
,
"dblbuf"
))
all
->
par
.
fbsize
*=
4
;
disp
->
scrollmode
=
SCROLL_YREDRAW
;
all
->
par
.
fbc
=
(
struct
cg6_fbc
*
)
if
(
!
fb
->
info
.
screen_base
)
{
fb
->
info
.
screen_base
=
(
char
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG6_RAM_OFFSET
,
type
->
fb_size
,
"cgsix ram"
);
}
fb
->
info
.
screen_base
+=
fix
->
line_length
*
fb
->
y_margin
+
fb
->
x_margin
;
fb
->
s
.
cg6
.
fbc
=
(
struct
cg6_fbc
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG6_FBC_OFFSET
,
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG6_FBC_OFFSET
,
4096
,
"cgsix fbc"
);
4096
,
"cgsix fbc"
);
fb
->
s
.
cg6
.
tec
=
(
struct
cg6_tec
*
)
all
->
par
.
tec
=
(
struct
cg6_tec
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG6_TEC_OFFSET
,
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG6_TEC_OFFSET
,
sizeof
(
struct
cg6_tec
),
"cgsix tec"
);
sizeof
(
struct
cg6_tec
),
"cgsix tec"
);
fb
->
s
.
cg6
.
thc
=
(
struct
cg6_thc
*
)
all
->
par
.
thc
=
(
struct
cg6_thc
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG6_THC_OFFSET
,
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG6_THC_OFFSET
,
sizeof
(
struct
cg6_thc
),
"cgsix thc"
);
sizeof
(
struct
cg6_thc
),
"cgsix thc"
);
fb
->
s
.
cg6
.
bt
=
bt
=
(
struct
bt_regs
*
)
all
->
par
.
bt
=
(
struct
bt_regs
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG6_BROOKTREE_OFFSET
,
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG6_BROOKTREE_OFFSET
,
sizeof
(
struct
bt_regs
),
"cgsix dac"
);
sizeof
(
struct
bt_regs
),
"cgsix dac"
);
fb
->
s
.
cg6
.
fhc
=
(
u32
*
)
all
->
par
.
fhc
=
(
u32
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG6_FHC_OFFSET
,
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG6_FHC_OFFSET
,
sizeof
(
u32
),
"cgsix fhc"
);
sizeof
(
u32
),
"cgsix fhc"
);
#if 0
prom_printf("CG6: RES[%016lx:%016lx:%016lx]\n",
all
->
info
.
node
=
NODEV
;
sdev->resource[0].start,
all
->
info
.
flags
=
FBINFO_FLAG_DEFAULT
;
sdev->resource[0].end,
all
->
info
.
fbops
=
&
cg6_ops
;
sdev->resource[0].flags);
#ifdef CONFIG_SPARC32
prom_printf("CG6: fbc(%p) tec(%p) thc(%p) bt(%p) fhc(%p)\n",
all
->
info
.
screen_base
=
(
char
*
)
fb->s.cg6.fbc,
prom_getintdefault
(
sdev
->
prom_node
,
"address"
,
0
);
fb->s.cg6.tec,
fb->s.cg6.thc,
fb->s.cg6.bt,
fb->s.cg6.fhc);
prom_halt();
#endif
#endif
fb
->
dispsw
=
cg6_dispsw
;
if
(
!
all
->
info
.
screen_base
)
all
->
info
.
screen_base
=
(
char
*
)
fb
->
margins
=
cg6_margins
;
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG6_RAM_OFFSET
,
fb
->
loadcmap
=
cg6_loadcmap
;
all
->
par
.
fbsize
,
"cgsix ram"
);
fb
->
setcursor
=
cg6_setcursor
;
all
->
info
.
currcon
=
-
1
;
fb
->
setcursormap
=
cg6_setcursormap
;
all
->
info
.
par
=
&
all
->
par
;
fb
->
setcurshape
=
cg6_setcurshape
;
fb
->
restore_palette
=
cg6_restore_palette
;
fb
->
fill
=
cg6_fill
;
fb
->
blank
=
cg6_blank
;
fb
->
unblank
=
cg6_unblank
;
fb
->
reset
=
cg6_reset
;
fb
->
physbase
=
phys
;
fb
->
mmap_map
=
cg6_mmap_map
;
/* Initialize Brooktree DAC */
sbus_writel
(
0x04
<<
24
,
&
bt
->
addr
);
/* color planes */
sbus_writel
(
0xff
<<
24
,
&
bt
->
control
);
sbus_writel
(
0x05
<<
24
,
&
bt
->
addr
);
sbus_writel
(
0x00
<<
24
,
&
bt
->
control
);
sbus_writel
(
0x06
<<
24
,
&
bt
->
addr
);
/* overlay plane */
sbus_writel
(
0x73
<<
24
,
&
bt
->
control
);
sbus_writel
(
0x07
<<
24
,
&
bt
->
addr
);
sbus_writel
(
0x00
<<
24
,
&
bt
->
control
);
conf
=
sbus_readl
(
fb
->
s
.
cg6
.
fhc
);
all
->
info
.
var
.
accel_flags
=
FB_ACCELF_TEXT
;
switch
(
conf
&
CG6_FHC_CPU_MASK
)
{
case
CG6_FHC_CPU_SPARC
:
p
=
"sparc"
;
break
;
case
CG6_FHC_CPU_68020
:
p
=
"68020"
;
break
;
default:
p
=
"i386"
;
break
;
}
if
(((
conf
>>
CG6_FHC_REV_SHIFT
)
&
CG6_FHC_REV_MASK
)
>=
11
)
{
cg6_bt_init
(
&
all
->
par
);
if
(
fix
->
smem_len
<=
0x100000
)
{
cg6_chip_init
(
&
all
->
info
);
cardtype
=
"TGX"
;
cg6_blank
(
0
,
&
all
->
info
);
}
else
{
cardtype
=
"TGX+"
;
if
(
fb_alloc_cmap
(
&
all
->
info
.
cmap
,
256
,
0
))
{
printk
(
KERN_ERR
"cg6: Could not allocate color map.
\n
"
);
kfree
(
all
);
return
;
}
}
}
else
{
if
(
fix
->
smem_len
<=
0x100000
)
{
cg6_set_par
(
&
all
->
info
);
cardtype
=
"GX"
;
cg6_init_fix
(
&
all
->
info
,
linebytes
);
}
else
{
cardtype
=
"GX+"
;
if
(
register_framebuffer
(
&
all
->
info
)
<
0
)
{
printk
(
KERN_ERR
"cg6: Could not register framebuffer.
\n
"
);
fb_dealloc_cmap
(
&
all
->
info
.
cmap
);
kfree
(
all
);
return
;
}
}
list_add
(
&
all
->
list
,
&
cg6_list
);
printk
(
"cg6: CGsix [%s] at %lx:%lx
\n
"
,
all
->
info
.
fix
.
id
,
(
long
)
sdev
->
reg_addrs
[
0
].
which_io
,
(
long
)
sdev
->
reg_addrs
[
0
].
phys_addr
);
}
int
__init
cg6_init
(
void
)
{
struct
sbus_bus
*
sbus
;
struct
sbus_dev
*
sdev
;
for_all_sbusdev
(
sdev
,
sbus
)
{
if
(
!
strcmp
(
sdev
->
prom_name
,
"cgsix"
)
||
!
strcmp
(
sdev
->
prom_name
,
"cgthree+"
))
cg6_init_one
(
sdev
);
}
}
sprintf
(
idstring
,
return
0
;
#ifdef __sparc_v9__
}
"cgsix at %016lx TEC Rev %x CPU %s Rev %x [%s]"
,
phys
,
#else
"cgsix at %x.%08lx TEC Rev %x CPU %s Rev %x [%s]"
,
fb
->
iospace
,
phys
,
#endif
((
sbus_readl
(
&
fb
->
s
.
cg6
.
thc
->
thc_misc
)
>>
CG6_THC_MISC_REV_SHIFT
)
&
CG6_THC_MISC_REV_MASK
),
p
,
(
conf
>>
CG6_FHC_REV_SHIFT
)
&
CG6_FHC_REV_MASK
,
cardtype
);
sprintf
(
fb
->
info
.
modename
,
"CGsix [%s]"
,
cardtype
);
void
__exit
cg6_exit
(
void
)
sprintf
(
fix
->
id
,
"CGsix [%s]"
,
cardtype
);
{
struct
list_head
*
pos
,
*
tmp
;
list_for_each_safe
(
pos
,
tmp
,
&
cg6_list
)
{
struct
all_info
*
all
=
list_entry
(
pos
,
typeof
(
*
all
),
list
);
cg6_reset
(
fb
);
unregister_framebuffer
(
&
all
->
info
);
fb_dealloc_cmap
(
&
all
->
info
.
cmap
);
kfree
(
all
);
}
}
return
idstring
;
int
__init
cg6_setup
(
char
*
arg
)
{
/* No cmdline options yet... */
return
0
;
}
}
#ifdef MODULE
module_init
(
cg6_init
);
module_exit
(
cg6_exit
);
#endif
MODULE_DESCRIPTION
(
"framebuffer driver for CGsix chipsets"
);
MODULE_AUTHOR
(
"David S. Miller <davem@redhat.com>"
);
MODULE_LICENSE
(
"GPL"
);
drivers/video/cgthreefb.c
deleted
100644 → 0
View file @
41ae6422
/* $Id: cgthreefb.c,v 1.11 2001/09/19 00:04:33 davem Exp $
* cgthreefb.c: CGthree frame buffer driver
*
* Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
* Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
* Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
*/
#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 <video/sbusfb.h>
#include <asm/io.h>
#include <video/fbcon-cfb8.h>
/* Control Register Constants */
#define CG3_CR_ENABLE_INTS 0x80
#define CG3_CR_ENABLE_VIDEO 0x40
#define CG3_CR_ENABLE_TIMING 0x20
#define CG3_CR_ENABLE_CURCMP 0x10
#define CG3_CR_XTAL_MASK 0x0c
#define CG3_CR_DIVISOR_MASK 0x03
/* Status Register Constants */
#define CG3_SR_PENDING_INT 0x80
#define CG3_SR_RES_MASK 0x70
#define CG3_SR_1152_900_76_A 0x40
#define CG3_SR_1152_900_76_B 0x60
#define CG3_SR_ID_MASK 0x0f
#define CG3_SR_ID_COLOR 0x01
#define CG3_SR_ID_MONO 0x02
#define CG3_SR_ID_MONO_ECL 0x03
MODULE_LICENSE
(
"GPL"
);
enum
cg3_type
{
CG3_AT_66HZ
=
0
,
CG3_AT_76HZ
,
CG3_RDI
};
struct
cg3_regs
{
struct
bt_regs
cmap
;
volatile
u8
control
;
volatile
u8
status
;
volatile
u8
cursor_start
;
volatile
u8
cursor_end
;
volatile
u8
h_blank_start
;
volatile
u8
h_blank_end
;
volatile
u8
h_sync_start
;
volatile
u8
h_sync_end
;
volatile
u8
comp_sync_end
;
volatile
u8
v_blank_start_high
;
volatile
u8
v_blank_start_low
;
volatile
u8
v_blank_end
;
volatile
u8
v_sync_start
;
volatile
u8
v_sync_end
;
volatile
u8
xfer_holdoff_start
;
volatile
u8
xfer_holdoff_end
;
};
/* Offset of interesting structures in the OBIO space */
#define CG3_REGS_OFFSET 0x400000UL
#define CG3_RAM_OFFSET 0x800000UL
static
struct
sbus_mmap_map
cg3_mmap_map
[]
=
{
{
CG3_MMAP_OFFSET
,
CG3_RAM_OFFSET
,
SBUS_MMAP_FBSIZE
(
1
)
},
{
0
,
0
,
0
}
};
/* The cg3 palette is loaded with 4 color values at each time */
/* so you end up with: (rgb)(r), (gb)(rg), (b)(rgb), and so on */
#define D4M3(x) ((((x)>>2)<<1) + ((x)>>2))
/* (x/4)*3 */
#define D4M4(x) ((x)&~0x3)
/* (x/4)*4 */
static
void
cg3_loadcmap
(
struct
fb_info_sbusfb
*
fb
,
struct
display
*
p
,
int
index
,
int
count
)
{
struct
bt_regs
*
bt
=
&
fb
->
s
.
cg3
.
regs
->
cmap
;
unsigned
long
flags
;
u32
*
i
;
volatile
u8
*
regp
;
int
steps
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
i
=
(((
u32
*
)
fb
->
color_map
)
+
D4M3
(
index
));
steps
=
D4M3
(
index
+
count
-
1
)
-
D4M3
(
index
)
+
3
;
regp
=
(
volatile
u8
*
)
&
bt
->
addr
;
sbus_writeb
(
D4M4
(
index
),
regp
);
while
(
steps
--
)
{
u32
val
=
*
i
++
;
sbus_writel
(
val
,
&
bt
->
color_map
);
}
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
}
static
int
cg3_blank
(
struct
fb_info_sbusfb
*
fb
)
{
unsigned
long
flags
;
u8
tmp
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
tmp
=
sbus_readb
(
&
fb
->
s
.
cg3
.
regs
->
control
);
tmp
&=
~
CG3_CR_ENABLE_VIDEO
;
sbus_writeb
(
tmp
,
&
fb
->
s
.
cg3
.
regs
->
control
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
return
0
;
}
static
int
cg3_unblank
(
struct
fb_info_sbusfb
*
fb
)
{
unsigned
long
flags
;
u8
tmp
;
spin_lock_irqsave
(
&
fb
->
lock
,
flags
);
tmp
=
sbus_readb
(
&
fb
->
s
.
cg3
.
regs
->
control
);
tmp
|=
CG3_CR_ENABLE_VIDEO
;
sbus_writeb
(
tmp
,
&
fb
->
s
.
cg3
.
regs
->
control
);
spin_unlock_irqrestore
(
&
fb
->
lock
,
flags
);
return
0
;
}
static
void
cg3_margins
(
struct
fb_info_sbusfb
*
fb
,
struct
display
*
p
,
int
x_margin
,
int
y_margin
)
{
fb
->
info
.
screen_base
+=
(
y_margin
-
fb
->
y_margin
)
*
fb
->
info
.
fix
.
line_length
+
(
x_margin
-
fb
->
x_margin
);
}
static
u8
cg3regvals_66hz
[]
__initdata
=
{
/* 1152 x 900, 66 Hz */
0x14
,
0xbb
,
0x15
,
0x2b
,
0x16
,
0x04
,
0x17
,
0x14
,
0x18
,
0xae
,
0x19
,
0x03
,
0x1a
,
0xa8
,
0x1b
,
0x24
,
0x1c
,
0x01
,
0x1d
,
0x05
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x20
,
0
};
static
u8
cg3regvals_76hz
[]
__initdata
=
{
/* 1152 x 900, 76 Hz */
0x14
,
0xb7
,
0x15
,
0x27
,
0x16
,
0x03
,
0x17
,
0x0f
,
0x18
,
0xae
,
0x19
,
0x03
,
0x1a
,
0xae
,
0x1b
,
0x2a
,
0x1c
,
0x01
,
0x1d
,
0x09
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x24
,
0
};
static
u8
cg3regvals_rdi
[]
__initdata
=
{
/* 640 x 480, cgRDI */
0x14
,
0x70
,
0x15
,
0x20
,
0x16
,
0x08
,
0x17
,
0x10
,
0x18
,
0x06
,
0x19
,
0x02
,
0x1a
,
0x31
,
0x1b
,
0x51
,
0x1c
,
0x06
,
0x1d
,
0x0c
,
0x1e
,
0xff
,
0x1f
,
0x01
,
0x10
,
0x22
,
0
};
static
u8
*
cg3_regvals
[]
__initdata
=
{
cg3regvals_66hz
,
cg3regvals_76hz
,
cg3regvals_rdi
};
static
u_char
cg3_dacvals
[]
__initdata
=
{
4
,
0xff
,
5
,
0x00
,
6
,
0x70
,
7
,
0x00
,
0
};
static
char
idstring
[
60
]
__initdata
=
{
0
};
char
__init
*
cgthreefb_init
(
struct
fb_info_sbusfb
*
fb
)
{
struct
fb_fix_screeninfo
*
fix
=
&
fb
->
info
.
fix
;
struct
display
*
disp
=
&
fb
->
disp
;
struct
fbtype
*
type
=
&
fb
->
type
;
struct
sbus_dev
*
sdev
=
fb
->
sbdp
;
unsigned
long
phys
=
sdev
->
reg_addrs
[
0
].
phys_addr
;
int
cgRDI
=
strstr
(
fb
->
sbdp
->
prom_name
,
"cgRDI"
)
!=
NULL
;
#ifndef FBCON_HAS_CFB8
return
NULL
;
#endif
if
(
!
fb
->
s
.
cg3
.
regs
)
{
fb
->
s
.
cg3
.
regs
=
(
struct
cg3_regs
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG3_REGS_OFFSET
,
sizeof
(
struct
cg3_regs
),
"cg3 regs"
);
if
(
cgRDI
)
{
char
buffer
[
40
];
char
*
p
;
int
ww
,
hh
;
*
buffer
=
0
;
prom_getstring
(
fb
->
prom_node
,
"params"
,
buffer
,
sizeof
(
buffer
));
if
(
*
buffer
)
{
ww
=
simple_strtoul
(
buffer
,
&
p
,
10
);
if
(
ww
&&
*
p
==
'x'
)
{
hh
=
simple_strtoul
(
p
+
1
,
&
p
,
10
);
if
(
hh
&&
*
p
==
'-'
)
{
if
(
type
->
fb_width
!=
ww
||
type
->
fb_height
!=
hh
)
{
type
->
fb_width
=
ww
;
type
->
fb_height
=
hh
;
return
SBUSFBINIT_SIZECHANGE
;
}
}
}
}
}
}
strcpy
(
fb
->
info
.
modename
,
"CGthree"
);
strcpy
(
fix
->
id
,
"CGthree"
);
fix
->
line_length
=
fb
->
info
.
var
.
xres_virtual
;
fix
->
accel
=
FB_ACCEL_SUN_CGTHREE
;
disp
->
scrollmode
=
SCROLL_YREDRAW
;
if
(
!
fb
->
info
.
screen_base
)
{
fb
->
info
.
screen_base
=
(
char
*
)
sbus_ioremap
(
&
sdev
->
resource
[
0
],
CG3_RAM_OFFSET
,
type
->
fb_size
,
"cg3 ram"
);
}
fb
->
info
.
screen_base
+=
fix
->
line_length
*
fb
->
y_margin
+
fb
->
x_margin
;
fb
->
dispsw
=
fbcon_cfb8
;
fb
->
margins
=
cg3_margins
;
fb
->
loadcmap
=
cg3_loadcmap
;
fb
->
blank
=
cg3_blank
;
fb
->
unblank
=
cg3_unblank
;
fb
->
physbase
=
phys
;
fb
->
mmap_map
=
cg3_mmap_map
;
#ifdef __sparc_v9__
sprintf
(
idstring
,
"%s at %016lx"
,
cgRDI
?
"cgRDI"
:
"cgthree"
,
phys
);
#else
sprintf
(
idstring
,
"%s at %x.%08lx"
,
cgRDI
?
"cgRDI"
:
"cgthree"
,
fb
->
iospace
,
phys
);
#endif
if
(
!
prom_getbool
(
fb
->
prom_node
,
"width"
))
{
/* Ugh, broken PROM didn't initialize us.
* Let's deal with this ourselves.
*/
enum
cg3_type
type
;
u8
*
p
;
if
(
cgRDI
)
type
=
CG3_RDI
;
else
{
u8
status
=
sbus_readb
(
&
fb
->
s
.
cg3
.
regs
->
status
),
mon
;
if
((
status
&
CG3_SR_ID_MASK
)
==
CG3_SR_ID_COLOR
)
{
mon
=
status
&
CG3_SR_RES_MASK
;
if
(
mon
==
CG3_SR_1152_900_76_A
||
mon
==
CG3_SR_1152_900_76_B
)
type
=
CG3_AT_76HZ
;
else
type
=
CG3_AT_66HZ
;
}
else
{
prom_printf
(
"cgthree: can't handle SR %02x
\n
"
,
status
);
prom_halt
();
return
NULL
;
/* fool gcc. */
}
}
for
(
p
=
cg3_regvals
[
type
];
*
p
;
p
+=
2
)
{
u8
*
regp
=
&
((
u8
*
)
fb
->
s
.
cg3
.
regs
)[
p
[
0
]];
sbus_writeb
(
p
[
1
],
regp
);
}
for
(
p
=
cg3_dacvals
;
*
p
;
p
+=
2
)
{
volatile
u8
*
regp
;
regp
=
(
volatile
u8
*
)
&
fb
->
s
.
cg3
.
regs
->
cmap
.
addr
;
sbus_writeb
(
p
[
0
],
regp
);
regp
=
(
volatile
u8
*
)
&
fb
->
s
.
cg3
.
regs
->
cmap
.
control
;
sbus_writeb
(
p
[
1
],
regp
);
}
}
return
idstring
;
}
drivers/video/fbmem.c
View file @
57b55f79
...
@@ -146,6 +146,12 @@ extern int i810fb_init(void);
...
@@ -146,6 +146,12 @@ extern int i810fb_init(void);
extern
int
i810fb_setup
(
char
*
);
extern
int
i810fb_setup
(
char
*
);
extern
int
ffb_init
(
void
);
extern
int
ffb_init
(
void
);
extern
int
ffb_setup
(
char
*
);
extern
int
ffb_setup
(
char
*
);
extern
int
cg6_init
(
void
);
extern
int
cg6_setup
(
char
*
);
extern
int
cg3_init
(
void
);
extern
int
cg3_setup
(
char
*
);
extern
int
bw2_init
(
void
);
extern
int
bw2_setup
(
char
*
);
static
struct
{
static
struct
{
const
char
*
name
;
const
char
*
name
;
...
@@ -240,6 +246,15 @@ static struct {
...
@@ -240,6 +246,15 @@ static struct {
#ifdef CONFIG_FB_FFB
#ifdef CONFIG_FB_FFB
{
"ffb"
,
ffb_init
,
ffb_setup
},
{
"ffb"
,
ffb_init
,
ffb_setup
},
#endif
#endif
#ifdef CONFIG_FB_CG6
{
"cg6"
,
cg6_init
,
cg6_setup
},
#endif
#ifdef CONFIG_FB_CG3
{
"cg3"
,
cg3_init
,
cg3_setup
},
#endif
#ifdef CONFIG_FB_BW2
{
"bw2"
,
bw2_init
,
bw2_setup
},
#endif
/*
/*
* Generic drivers that are used as fallbacks
* Generic drivers that are used as fallbacks
...
...
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