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Kirill Smelkov
linux
Commits
5b4d1cf0
Commit
5b4d1cf0
authored
22 years ago
by
Jens Axboe
Browse files
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Plain Diff
it8172 update
parent
537f3ead
No related merge requests found
Changes
2
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2 changed files
with
114 additions
and
133 deletions
+114
-133
drivers/ide/pci/it8172.c
drivers/ide/pci/it8172.c
+69
-133
drivers/ide/pci/it8172.h
drivers/ide/pci/it8172.h
+45
-0
No files found.
drivers/ide/pci/it8172.c
View file @
5b4d1cf0
...
@@ -42,53 +42,17 @@
...
@@ -42,53 +42,17 @@
#include <asm/it8172/it8172_int.h>
#include <asm/it8172/it8172_int.h>
#include "ide_modes.h"
#include "ide_modes.h"
#include "it8172.h"
/*
/*
* Prototypes
* Prototypes
*/
*/
static
byte
it8172_ratemask
(
ide_drive_t
*
drive
);
static
u8
it8172_ratemask
(
ide_drive_t
*
drive
)
static
byte
it8172_ratefilter
(
ide_drive_t
*
drive
,
byte
speed
);
static
void
it8172_tune_drive
(
ide_drive_t
*
drive
,
byte
pio
);
static
byte
it8172_dma_2_pio
(
byte
xfer_rate
);
static
int
it8172_tune_chipset
(
ide_drive_t
*
drive
,
byte
xferspeed
);
#ifdef CONFIG_BLK_DEV_IDEDMA
static
int
it8172_config_chipset_for_dma
(
ide_drive_t
*
drive
);
static
int
it8172_dmaproc
(
ide_dma_action_t
func
,
ide_drive_t
*
drive
);
#endif
unsigned
int
__init
pci_init_it8172
(
struct
pci_dev
*
dev
,
const
char
*
name
);
void
__init
ide_init_it8172
(
ide_hwif_t
*
hwif
);
static
byte
it8172_ratemask
(
ide_drive_t
*
drive
)
{
{
byte
mode
=
0x00
;
return
1
;
#if 1
mode
|=
0x01
;
#endif
return
(
mode
&=
~
0xF8
);
}
}
static
byte
it8172_ratefilter
(
ide_drive_t
*
drive
,
byte
speed
)
static
void
it8172_tune_drive
(
ide_drive_t
*
drive
,
u8
pio
)
{
#ifdef CONFIG_BLK_DEV_IDEDMA
byte
mode
=
it8172_ratemask
(
drive
);
switch
(
mode
)
{
case
0x04
:
// while (speed > XFER_UDMA_6) speed--; break;
case
0x03
:
// while (speed > XFER_UDMA_5) speed--; break;
case
0x02
:
while
(
speed
>
XFER_UDMA_4
)
speed
--
;
break
;
case
0x01
:
while
(
speed
>
XFER_UDMA_2
)
speed
--
;
break
;
case
0x00
:
default:
while
(
speed
>
XFER_MW_DMA_2
)
speed
--
;
break
;
break
;
}
#else
while
(
speed
>
XFER_PIO_4
)
speed
--
;
#endif
/* CONFIG_BLK_DEV_IDEDMA */
// printk("%s: mode == %02x speed == %02x\n", drive->name, mode, speed);
return
speed
;
}
static
void
it8172_tune_drive
(
ide_drive_t
*
drive
,
byte
pio
)
{
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
...
@@ -133,7 +97,7 @@ static void it8172_tune_drive (ide_drive_t *drive, byte pio)
...
@@ -133,7 +97,7 @@ static void it8172_tune_drive (ide_drive_t *drive, byte pio)
spin_unlock_irqrestore
(
&
ide_lock
,
flags
)
spin_unlock_irqrestore
(
&
ide_lock
,
flags
)
}
}
static
byte
it8172_dma_2_pio
(
byte
xfer_rate
)
static
u8
it8172_dma_2_pio
(
u8
xfer_rate
)
{
{
switch
(
xfer_rate
)
{
switch
(
xfer_rate
)
{
case
XFER_UDMA_5
:
case
XFER_UDMA_5
:
...
@@ -162,15 +126,15 @@ static byte it8172_dma_2_pio (byte xfer_rate)
...
@@ -162,15 +126,15 @@ static byte it8172_dma_2_pio (byte xfer_rate)
}
}
}
}
static
int
it8172_tune_chipset
(
ide_drive_t
*
drive
,
byte
xferspeed
)
static
int
it8172_tune_chipset
(
ide_drive_t
*
drive
,
u8
xferspeed
)
{
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
byte
speed
=
it8172_ratefilter
(
drive
,
xferspeed
);
u8
speed
=
ide_rate_filter
(
it8172_ratemask
(
drive
)
,
xferspeed
);
int
a_speed
=
3
<<
(
drive
->
dn
*
4
);
int
a_speed
=
3
<<
(
drive
->
dn
*
4
);
int
u_flag
=
1
<<
drive
->
dn
;
int
u_flag
=
1
<<
drive
->
dn
;
int
u_speed
=
0
;
int
u_speed
=
0
;
byte
reg48
,
reg4a
;
u8
reg48
,
reg4a
;
pci_read_config_byte
(
dev
,
0x48
,
&
reg48
);
pci_read_config_byte
(
dev
,
0x48
,
&
reg48
);
pci_read_config_byte
(
dev
,
0x4a
,
&
reg4a
);
pci_read_config_byte
(
dev
,
0x4a
,
&
reg4a
);
...
@@ -221,116 +185,62 @@ static int it8172_tune_chipset (ide_drive_t *drive, byte xferspeed)
...
@@ -221,116 +185,62 @@ static int it8172_tune_chipset (ide_drive_t *drive, byte xferspeed)
#ifdef CONFIG_BLK_DEV_IDEDMA
#ifdef CONFIG_BLK_DEV_IDEDMA
static
int
it8172_config_chipset_for_dma
(
ide_drive_t
*
drive
)
static
int
it8172_config_chipset_for_dma
(
ide_drive_t
*
drive
)
{
{
struct
hd_driveid
*
id
=
drive
->
id
;
u8
speed
=
ide_dma_speed
(
drive
,
it8172_ratemask
(
drive
));
byte
mode
=
it8172_ratemask
(
drive
);
byte
speed
,
tspeed
,
dma
=
1
;
if
(
!
(
speed
))
{
u8
tspeed
=
ide_get_best_pio_mode
(
drive
,
255
,
4
,
NULL
);
switch
(
mode
)
{
speed
=
it8172_dma_2_pio
(
XFER_PIO_0
+
tspeed
);
case
0x01
:
if
(
id
->
dma_ultra
&
0x0040
)
{
speed
=
XFER_UDMA_2
;
break
;
}
if
(
id
->
dma_ultra
&
0x0020
)
{
speed
=
XFER_UDMA_2
;
break
;
}
if
(
id
->
dma_ultra
&
0x0010
)
{
speed
=
XFER_UDMA_2
;
break
;
}
if
(
id
->
dma_ultra
&
0x0008
)
{
speed
=
XFER_UDMA_2
;
break
;
}
if
(
id
->
dma_ultra
&
0x0004
)
{
speed
=
XFER_UDMA_2
;
break
;
}
if
(
id
->
dma_ultra
&
0x0002
)
{
speed
=
XFER_UDMA_1
;
break
;
}
if
(
id
->
dma_ultra
&
0x0001
)
{
speed
=
XFER_UDMA_0
;
break
;
}
case
0x00
:
if
(
id
->
dma_mword
&
0x0004
)
{
speed
=
XFER_MW_DMA_2
;
break
;
}
if
(
id
->
dma_mword
&
0x0002
)
{
speed
=
XFER_MW_DMA_1
;
break
;
}
if
(
id
->
dma_1word
&
0x0004
)
{
speed
=
XFER_SW_DMA_2
;
break
;
}
default:
tspeed
=
ide_get_best_pio_mode
(
drive
,
255
,
4
,
NULL
);
speed
=
it8172_dma_2_pio
(
XFER_PIO_0
+
tspeed
);
dma
=
0
;
break
;
}
}
(
void
)
it8172_tune_chipset
(
drive
,
speed
);
(
void
)
it8172_tune_chipset
(
drive
,
speed
);
return
ide_dma_enable
(
drive
);
// return ((int)(dma) ? ide_dma_on : ide_dma_off_quietly);
return
((
int
)((
id
->
dma_ultra
>>
11
)
&
7
)
?
ide_dma_on
:
((
id
->
dma_ultra
>>
8
)
&
7
)
?
ide_dma_on
:
((
id
->
dma_mword
>>
8
)
&
7
)
?
ide_dma_on
:
((
id
->
dma_1word
>>
8
)
&
7
)
?
ide_dma_on
:
ide_dma_off_quietly
);
}
}
static
int
config_drive_xfer_rate
(
ide_drive_t
*
drive
)
static
int
it8172_
config_drive_xfer_rate
(
ide_drive_t
*
drive
)
{
{
struct
hd_driveid
*
id
=
drive
->
id
;
ide_hwif_t
*
hwif
=
HWIF
(
drive
)
;
ide_dma_action_t
dma_func
=
ide_dma_on
;
struct
hd_driveid
*
id
=
drive
->
id
;
drive
->
init_speed
=
0
;
drive
->
init_speed
=
0
;
if
(
id
&&
(
id
->
capability
&
1
)
&&
HWIF
(
drive
)
->
autodma
)
{
if
(
id
&&
(
id
->
capability
&
1
)
&&
drive
->
autodma
)
{
/* Consult the list of known "bad" drives */
/* Consult the list of known "bad" drives */
if
(
ide_dmaproc
(
ide_dma_bad_drive
,
drive
))
{
if
(
hwif
->
ide_dma_bad_drive
(
drive
))
dma_func
=
ide_dma_off
;
goto
fast_ata_pio
;
goto
fast_ata_pio
;
}
dma_func
=
ide_dma_off_quietly
;
if
(
id
->
field_valid
&
4
)
{
if
(
id
->
field_valid
&
4
)
{
if
(
id
->
dma_ultra
&
0x007F
)
{
if
(
id
->
dma_ultra
&
hwif
->
ultra_mask
)
{
/* Force if Capable UltraDMA */
/* Force if Capable UltraDMA */
dma_func
=
it8172_config_chipset_for_dma
(
drive
);
int
dma
=
it8172_config_chipset_for_dma
(
drive
);
if
((
id
->
field_valid
&
2
)
&&
if
((
id
->
field_valid
&
2
)
&&
!
dma
)
(
dma_func
!=
ide_dma_on
))
goto
try_dma_modes
;
goto
try_dma_modes
;
}
}
}
else
if
(
id
->
field_valid
&
2
)
{
}
else
if
(
id
->
field_valid
&
2
)
{
try_dma_modes:
try_dma_modes:
if
((
id
->
dma_mword
&
0x0007
)
||
if
((
id
->
dma_mword
&
hwif
->
mwdma_mask
)
||
(
id
->
dma_1word
&
0x007
))
{
(
id
->
dma_1word
&
hwif
->
swdma_mask
))
{
/* Force if Capable regular DMA modes */
/* Force if Capable regular DMA modes */
dma_func
=
it8172_config_chipset_for_dma
(
drive
);
if
(
!
it8172_config_chipset_for_dma
(
drive
))
if
(
dma_func
!=
ide_dma_on
)
goto
no_dma_set
;
goto
no_dma_set
;
}
}
}
else
if
(
ide_dmaproc
(
ide_dma_good_drive
,
drive
))
{
}
else
if
(
hwif
->
ide_dma_good_drive
(
drive
)
&&
if
(
id
->
eide_dma_time
>
150
)
{
(
id
->
eide_dma_time
<
150
))
{
goto
no_dma_set
;
}
/* Consult the list of known "good" drives */
/* Consult the list of known "good" drives */
dma_func
=
it8172_config_chipset_for_dma
(
drive
);
if
(
!
it8172_config_chipset_for_dma
(
drive
))
if
(
dma_func
!=
ide_dma_on
)
goto
no_dma_set
;
goto
no_dma_set
;
}
else
{
}
else
{
goto
fast_ata_pio
;
goto
fast_ata_pio
;
}
}
}
else
if
((
id
->
capability
&
8
)
||
(
id
->
field_valid
&
2
))
{
}
else
if
((
id
->
capability
&
8
)
||
(
id
->
field_valid
&
2
))
{
fast_ata_pio:
fast_ata_pio:
dma_func
=
ide_dma_off_quietly
;
no_dma_set:
no_dma_set:
it8172_tune_drive
(
drive
,
5
);
it8172_tune_drive
(
drive
,
5
);
return
hwif
->
ide_dma_off_quietly
(
drive
);
}
}
return
HWIF
(
drive
)
->
dmaproc
(
dma_func
,
drive
);
return
hwif
->
ide_dma_on
(
drive
);
}
static
int
it8172_dmaproc
(
ide_dma_action_t
func
,
ide_drive_t
*
drive
)
{
switch
(
func
)
{
case
ide_dma_check
:
return
config_drive_xfer_rate
(
drive
);
default
:
break
;
}
/* Other cases are done by generic IDE-DMA code. */
return
ide_dmaproc
(
func
,
drive
);
}
}
#endif
/* CONFIG_BLK_DEV_IDEDMA */
#endif
/* CONFIG_BLK_DEV_IDEDMA */
static
unsigned
int
__init
init_chipset_it8172
(
struct
pci_dev
*
dev
,
const
char
*
name
)
unsigned
int
__init
pci_init_it8172
(
struct
pci_dev
*
dev
,
const
char
*
name
)
{
{
unsigned
char
progif
;
unsigned
char
progif
;
...
@@ -344,7 +254,7 @@ unsigned int __init pci_init_it8172 (struct pci_dev *dev, const char *name)
...
@@ -344,7 +254,7 @@ unsigned int __init pci_init_it8172 (struct pci_dev *dev, const char *name)
}
}
void
__init
ide_init
_it8172
(
ide_hwif_t
*
hwif
)
static
void
__init
init_hwif
_it8172
(
ide_hwif_t
*
hwif
)
{
{
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
unsigned
long
cmdBase
,
ctrlBase
;
unsigned
long
cmdBase
,
ctrlBase
;
...
@@ -352,8 +262,6 @@ void __init ide_init_it8172 (ide_hwif_t *hwif)
...
@@ -352,8 +262,6 @@ void __init ide_init_it8172 (ide_hwif_t *hwif)
hwif
->
autodma
=
0
;
hwif
->
autodma
=
0
;
hwif
->
tuneproc
=
&
it8172_tune_drive
;
hwif
->
tuneproc
=
&
it8172_tune_drive
;
hwif
->
speedproc
=
&
it8172_tune_chipset
;
hwif
->
speedproc
=
&
it8172_tune_chipset
;
hwif
->
drives
[
0
].
autotune
=
1
;
hwif
->
drives
[
1
].
autotune
=
1
;
cmdBase
=
dev
->
resource
[
0
].
start
;
cmdBase
=
dev
->
resource
[
0
].
start
;
ctrlBase
=
dev
->
resource
[
1
].
start
;
ctrlBase
=
dev
->
resource
[
1
].
start
;
...
@@ -362,28 +270,56 @@ void __init ide_init_it8172 (ide_hwif_t *hwif)
...
@@ -362,28 +270,56 @@ void __init ide_init_it8172 (ide_hwif_t *hwif)
memcpy
(
hwif
->
io_ports
,
hwif
->
hw
.
io_ports
,
sizeof
(
hwif
->
io_ports
));
memcpy
(
hwif
->
io_ports
,
hwif
->
hw
.
io_ports
,
sizeof
(
hwif
->
io_ports
));
hwif
->
noprobe
=
0
;
hwif
->
noprobe
=
0
;
if
(
!
hwif
->
dma_base
)
if
(
!
hwif
->
dma_base
)
{
hwif
->
drives
[
0
].
autotune
=
1
;
hwif
->
drives
[
1
].
autotune
=
1
;
return
;
return
;
}
hwif
->
atapi_dma
=
1
;
hwif
->
ultra_mask
=
0x07
;
hwif
->
mwdma_mask
=
0x06
;
hwif
->
swdma_mask
=
0x04
;
#ifdef CONFIG_BLK_DEV_IDEDMA
#ifdef CONFIG_BLK_DEV_IDEDMA
hwif
->
dmaproc
=
&
it8172_dmaproc
;
hwif
->
ide_dma_check
=
&
it8172_config_drive_xfer_rate
;
# ifdef CONFIG_IDEDMA_AUTO
if
(
!
noautodma
)
if
(
!
noautodma
)
hwif
->
autodma
=
1
;
hwif
->
autodma
=
1
;
# endif
/* CONFIG_IDEDMA_AUTO */
hwif
->
drives
[
0
].
autodma
=
hwif
->
autodma
;
hwif
->
drives
[
1
].
autodma
=
hwif
->
autodma
;
#endif
/* !CONFIG_BLK_DEV_IDEDMA */
#endif
/* !CONFIG_BLK_DEV_IDEDMA */
}
}
extern
void
ide_setup_pci_device
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
);
static
void
__init
init_dma_it8172
(
ide_hwif_t
*
hwif
,
unsigned
long
dmabase
)
{
ide_setup_dma
(
hwif
,
dmabase
,
8
);
}
extern
void
ide_setup_pci_device
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
void
__init
fixup_device
_it8172
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
static
void
__init
init_setup
_it8172
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
{
if
((
!
(
PCI_FUNC
(
dev
->
devfn
)
&
1
)
||
if
((
!
(
PCI_FUNC
(
dev
->
devfn
)
&
1
)
||
(
!
((
dev
->
class
>>
8
)
==
PCI_CLASS_STORAGE_IDE
))))
(
!
((
dev
->
class
>>
8
)
==
PCI_CLASS_STORAGE_IDE
))))
return
;
/* IT8172 is more than only a IDE controller */
return
;
/* IT8172 is more than only a IDE controller */
printk
(
"%s: IDE controller on PCI bus %02x dev %02x
\n
"
,
d
->
name
,
dev
->
bus
->
number
,
dev
->
devfn
);
ide_setup_pci_device
(
dev
,
d
);
ide_setup_pci_device
(
dev
,
d
);
}
}
static
int
__init
it8172_scan_pcidev
(
struct
pci_dev
*
dev
)
{
ide_pci_device_t
*
d
;
if
(
dev
->
vendor
!=
PCI_VENDOR_ID_ITE
)
return
0
;
for
(
d
=
it8172_chipsets
;
d
&&
d
->
vendor
&&
d
->
device
;
++
d
)
{
if
(((
d
->
vendor
==
dev
->
vendor
)
&&
(
d
->
device
==
dev
->
device
))
&&
(
d
->
init_setup
))
{
d
->
init_setup
(
dev
,
d
);
return
1
;
}
}
return
0
;
}
This diff is collapsed.
Click to expand it.
drivers/ide/pci/it8172.h
0 → 100644
View file @
5b4d1cf0
#ifndef ITE8172G_H
#define ITE8172G_H
#include <linux/config.h>
#include <linux/pci.h>
#include <linux/ide.h>
static
u8
it8172_ratemask
(
ide_drive_t
*
drive
);
static
u8
it8172_ratefilter
(
ide_drive_t
*
drive
,
u8
speed
);
static
void
it8172_tune_drive
(
ide_drive_t
*
drive
,
u8
pio
);
static
u8
it8172_dma_2_pio
(
u8
xfer_rate
);
static
int
it8172_tune_chipset
(
ide_drive_t
*
drive
,
u8
xferspeed
);
#ifdef CONFIG_BLK_DEV_IDEDMA
static
int
it8172_config_chipset_for_dma
(
ide_drive_t
*
drive
);
#endif
static
void
init_setup_it8172
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
static
unsigned
int
init_chipset_it8172
(
struct
pci_dev
*
,
const
char
*
);
static
void
init_hwif_it8172
(
ide_hwif_t
*
);
static
void
init_dma_it8172
(
ide_hwif_t
*
,
unsigned
long
);
static
ide_pci_device_t
it8172_chipsets
[]
__initdata
=
{
{
vendor:
PCI_VENDOR_ID_ITE
,
device:
PCI_DEVICE_ID_ITE_IT8172G
,
name:
"IT8172G"
,
init_setup:
init_setup_it8172
,
init_chipset:
init_chipset_it8172
,
init_iops:
NULL
,
init_hwif:
init_hwif_it8172
,
init_dma:
init_dma_it8172
,
channels:
2
,
autodma:
AUTODMA
,
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x40
,
0x00
,
0x01
}},
bootable:
ON_BOARD
,
extra:
0
,
},{
vendor:
0
,
device:
0
,
channels:
0
,
bootable:
EOL
,
}
};
#endif
/* ITE8172G_H */
This diff is collapsed.
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