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Kirill Smelkov
linux
Commits
be60d12a
Commit
be60d12a
authored
Sep 11, 2002
by
Jens Axboe
Browse files
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Plain Diff
ns87145 update
parent
5b4d1cf0
Changes
2
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Showing
2 changed files
with
128 additions
and
43 deletions
+128
-43
drivers/ide/pci/ns87415.c
drivers/ide/pci/ns87415.c
+93
-43
drivers/ide/pci/ns87415.h
drivers/ide/pci/ns87415.h
+35
-0
No files found.
drivers/ide/pci/ns87415.c
View file @
be60d12a
...
@@ -24,6 +24,8 @@
...
@@ -24,6 +24,8 @@
#include <asm/io.h>
#include <asm/io.h>
#include "ns87415.h"
static
unsigned
int
ns87415_count
=
0
,
ns87415_control
[
MAX_HWIFS
]
=
{
0
};
static
unsigned
int
ns87415_count
=
0
,
ns87415_control
[
MAX_HWIFS
]
=
{
0
};
/*
/*
...
@@ -81,51 +83,64 @@ static void ns87415_selectproc (ide_drive_t *drive)
...
@@ -81,51 +83,64 @@ static void ns87415_selectproc (ide_drive_t *drive)
}
}
#ifdef CONFIG_BLK_DEV_IDEDMA
#ifdef CONFIG_BLK_DEV_IDEDMA
static
int
ns87415_
dmaproc
(
ide_dma_action_t
func
,
ide_drive_t
*
drive
)
static
int
ns87415_
ide_dma_end
(
ide_drive_t
*
drive
)
{
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
byte
dma_stat
;
u8
dma_stat
=
0
,
dma_cmd
=
0
;
switch
(
func
)
{
drive
->
waiting_for_dma
=
0
;
case
ide_dma_end
:
/* returns 1 on error, 0 otherwise */
dma_stat
=
hwif
->
INB
(
hwif
->
dma_status
);
drive
->
waiting_for_dma
=
0
;
/* get dma command mode */
dma_stat
=
IN_BYTE
(
hwif
->
dma_base
+
2
);
dma_cmd
=
hwif
->
INB
(
hwif
->
dma_command
);
/* stop DMA */
/* stop DMA */
OUT_BYTE
(
IN_BYTE
(
hwif
->
dma_base
)
&~
1
,
hwif
->
dma_base
);
hwif
->
OUTB
(
dma_cmd
&
~
1
,
hwif
->
dma_command
);
/* from ERRATA: clear the INTR & ERROR bits */
/* from ERRATA: clear the INTR & ERROR bits */
OUT_BYTE
(
IN_BYTE
(
hwif
->
dma_base
)
|
6
,
hwif
->
dma_base
);
dma_cmd
=
hwif
->
INB
(
hwif
->
dma_command
);
/* and free any DMA resources */
hwif
->
OUTB
(
dma_cmd
|
6
,
hwif
->
dma_command
);
ide_destroy_dmatable
(
drive
);
/* and free any DMA resources */
/* verify good DMA status */
ide_destroy_dmatable
(
drive
);
return
(
dma_stat
&
7
)
!=
4
;
/* verify good DMA status */
case
ide_dma_write
:
return
(
dma_stat
&
7
)
!=
4
;
case
ide_dma_read
:
}
/* select DMA xfer */
ns87415_prepare_drive
(
drive
,
1
);
static
int
ns87415_ide_dma_read
(
ide_drive_t
*
drive
)
/* use standard DMA stuff */
{
if
(
!
ide_dmaproc
(
func
,
drive
))
/* select DMA xfer */
return
0
;
ns87415_prepare_drive
(
drive
,
1
);
/* DMA failed: select PIO xfer */
if
(
!
(
__ide_dma_read
(
drive
)))
ns87415_prepare_drive
(
drive
,
0
);
return
0
;
return
1
;
/* DMA failed: select PIO xfer */
case
ide_dma_check
:
ns87415_prepare_drive
(
drive
,
0
);
if
(
drive
->
media
!=
ide_disk
)
return
1
;
return
ide_dmaproc
(
ide_dma_off_quietly
,
drive
);
}
/* Fallthrough... */
default:
static
int
ns87415_ide_dma_write
(
ide_drive_t
*
drive
)
return
ide_dmaproc
(
func
,
drive
);
/* use standard DMA stuff */
{
}
/* select DMA xfer */
ns87415_prepare_drive
(
drive
,
1
);
if
(
!
(
__ide_dma_write
(
drive
)))
return
0
;
/* DMA failed: select PIO xfer */
ns87415_prepare_drive
(
drive
,
0
);
return
1
;
}
static
int
ns87415_ide_dma_check
(
ide_drive_t
*
drive
)
{
if
(
drive
->
media
!=
ide_disk
)
return
HWIF
(
drive
)
->
ide_dma_off_quietly
(
drive
);
return
__ide_dma_check
(
drive
);
}
}
#endif
/* CONFIG_BLK_DEV_IDEDMA */
#endif
/* CONFIG_BLK_DEV_IDEDMA */
void
__init
ide_init
_ns87415
(
ide_hwif_t
*
hwif
)
static
void
__init
init_hwif
_ns87415
(
ide_hwif_t
*
hwif
)
{
{
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
unsigned
int
ctrl
,
using_inta
;
unsigned
int
ctrl
,
using_inta
;
byte
progif
;
u8
progif
;
#ifdef __sparc_v9__
#ifdef __sparc_v9__
int
timeout
;
int
timeout
;
byte
stat
;
u8
stat
;
#endif
#endif
hwif
->
autodma
=
0
;
hwif
->
autodma
=
0
;
...
@@ -173,12 +188,12 @@ void __init ide_init_ns87415 (ide_hwif_t *hwif)
...
@@ -173,12 +188,12 @@ void __init ide_init_ns87415 (ide_hwif_t *hwif)
* to SELECT_DRIVE() properly during first probe_hwif().
* to SELECT_DRIVE() properly during first probe_hwif().
*/
*/
timeout
=
10000
;
timeout
=
10000
;
OUT_BYTE
(
12
,
hwif
->
io_ports
[
IDE_CONTROL_OFFSET
]);
hwif
->
OUTB
(
12
,
hwif
->
io_ports
[
IDE_CONTROL_OFFSET
]);
udelay
(
10
);
udelay
(
10
);
OUT_BYTE
(
8
,
hwif
->
io_ports
[
IDE_CONTROL_OFFSET
]);
hwif
->
OUTB
(
8
,
hwif
->
io_ports
[
IDE_CONTROL_OFFSET
]);
do
{
do
{
udelay
(
50
);
udelay
(
50
);
stat
=
IN_BYTE
(
hwif
->
io_ports
[
IDE_STATUS_OFFSET
]);
stat
=
hwif
->
INB
(
hwif
->
io_ports
[
IDE_STATUS_OFFSET
]);
if
(
stat
==
0xff
)
if
(
stat
==
0xff
)
break
;
break
;
}
while
((
stat
&
BUSY_STAT
)
&&
--
timeout
);
}
while
((
stat
&
BUSY_STAT
)
&&
--
timeout
);
...
@@ -194,11 +209,46 @@ void __init ide_init_ns87415 (ide_hwif_t *hwif)
...
@@ -194,11 +209,46 @@ void __init ide_init_ns87415 (ide_hwif_t *hwif)
return
;
return
;
#ifdef CONFIG_BLK_DEV_IDEDMA
#ifdef CONFIG_BLK_DEV_IDEDMA
OUT_BYTE
(
0x60
,
hwif
->
dma_base
+
2
);
hwif
->
OUTB
(
0x60
,
hwif
->
dma_status
);
hwif
->
dmaproc
=
&
ns87415_dmaproc
;
hwif
->
ide_dma_read
=
&
ns87415_ide_dma_read
;
#ifdef CONFIG_IDEDMA_AUTO
hwif
->
ide_dma_write
=
&
ns87415_ide_dma_write
;
hwif
->
ide_dma_check
=
&
ns87415_ide_dma_check
;
hwif
->
ide_dma_end
=
&
ns87415_ide_dma_end
;
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 */
}
}
static
void
__init
init_dma_ns87415
(
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
*
);
static
void
__init
init_setup_ns87415
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
ide_setup_pci_device
(
dev
,
d
);
}
int
__init
ns87415_scan_pcidev
(
struct
pci_dev
*
dev
)
{
ide_pci_device_t
*
d
;
if
(
dev
->
vendor
!=
PCI_VENDOR_ID_NS
)
return
0
;
for
(
d
=
ns87415_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
;
}
drivers/ide/pci/ns87415.h
0 → 100644
View file @
be60d12a
#ifndef NS87415_H
#define NS87415_H
#include <linux/config.h>
#include <linux/pci.h>
#include <linux/ide.h>
static
void
init_setup_ns87415
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
static
void
init_hwif_ns87415
(
ide_hwif_t
*
);
static
void
init_dma_ns87415
(
ide_hwif_t
*
,
unsigned
long
);
static
ide_pci_device_t
ns87415_chipsets
[]
__initdata
=
{
{
vendor:
PCI_VENDOR_ID_NS
,
device:
PCI_DEVICE_ID_NS_87415
,
name:
"NS87415"
,
init_setup:
init_setup_ns87415
,
init_chipset:
NULL
,
init_iops:
NULL
,
init_hwif:
init_hwif_ns87415
,
init_dma:
init_dma_ns87415
,
channels:
2
,
autodma:
AUTODMA
,
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
bootable:
ON_BOARD
,
extra:
0
,
},{
vendor:
0
,
device:
0
,
channels:
0
,
bootable:
EOL
,
}
};
#endif
/* NS87415_H */
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