Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
L
linux
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Kirill Smelkov
linux
Commits
b865c715
Commit
b865c715
authored
Feb 28, 2004
by
Russell King
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
[ARM] Update ICS IDE driver.
Update ICS IDE driver with ide-dma and bio changes.
parent
26d5aa5a
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
15 additions
and
26 deletions
+15
-26
drivers/ide/arm/icside.c
drivers/ide/arm/icside.c
+15
-26
No files found.
drivers/ide/arm/icside.c
View file @
b865c715
/*
* linux/drivers/ide/arm/icside.c
*
* Copyright (c) 1996-2002 Russell King.
*
* Changelog:
* 08-Jun-1996 RMK Created
* 12-Sep-1997 RMK Added interrupt enable/disable
* 17-Apr-1999 RMK Added support for V6 EASI
* 22-May-1999 RMK Added support for V6 DMA
* Copyright (c) 1996-2003 Russell King.
*/
#include <linux/config.h>
...
...
@@ -237,7 +231,7 @@ static void icside_build_sglist(ide_drive_t *drive, struct request *rq)
sg
->
length
=
rq
->
nr_sectors
*
SECTOR_SIZE
;
nents
=
1
;
}
else
{
nents
=
blk_rq_map_sg
(
&
drive
->
queue
,
rq
,
sg
);
nents
=
blk_rq_map_sg
(
drive
->
queue
,
rq
,
sg
);
if
(
rq_data_dir
(
rq
)
==
READ
)
hwif
->
sg_dma_direction
=
DMA_FROM_DEVICE
;
...
...
@@ -487,33 +481,31 @@ icside_dma_common(ide_drive_t *drive, struct request *rq,
set_dma_sg
(
hwif
->
hw
.
dma
,
hwif
->
sg_table
,
hwif
->
sg_nents
);
set_dma_mode
(
hwif
->
hw
.
dma
,
dma_mode
);
drive
->
waiting_for_dma
=
1
;
return
0
;
}
static
int
icside_dma_read
(
ide_drive_t
*
drive
)
{
struct
request
*
rq
=
HWGROUP
(
drive
)
->
rq
;
task_ioreg_t
cmd
=
WIN_NOP
;
task_ioreg_t
cmd
;
if
(
icside_dma_common
(
drive
,
rq
,
DMA_MODE_READ
))
return
1
;
drive
->
waiting_for_dma
=
1
;
if
(
drive
->
media
!=
ide_disk
)
return
0
;
BUG_ON
(
HWGROUP
(
drive
)
->
handler
!=
NULL
);
ide_set_handler
(
drive
,
icside_dmaintr
,
2
*
WAIT_CMD
,
NULL
);
/*
* FIX ME to use only ACB ide_task_t args Struct
*/
#if 0
{
ide_task_t *args = rq->special;
c
omman
d = args->tfRegister[IDE_COMMAND_OFFSET];
c
m
d = args->tfRegister[IDE_COMMAND_OFFSET];
}
#else
if
(
rq
->
flags
&
REQ_DRIVE_TASKFILE
)
{
...
...
@@ -526,35 +518,31 @@ static int icside_dma_read(ide_drive_t *drive)
}
#endif
/* issue cmd to drive */
HWIF
(
drive
)
->
OUTB
(
cmd
,
IDE_COMMAND_REG
);
ide_execute_command
(
drive
,
cmd
,
icside_dmaintr
,
2
*
WAIT_CMD
,
NULL
);
return
icside_dma_begin
(
drive
);
}
int
icside_dma_write
(
ide_drive_t
*
drive
)
static
int
icside_dma_write
(
ide_drive_t
*
drive
)
{
struct
request
*
rq
=
HWGROUP
(
drive
)
->
rq
;
task_ioreg_t
cmd
=
WIN_NOP
;
task_ioreg_t
cmd
;
if
(
icside_dma_common
(
drive
,
rq
,
DMA_MODE_WRITE
))
return
1
;
drive
->
waiting_for_dma
=
1
;
if
(
drive
->
media
!=
ide_disk
)
return
0
;
BUG_ON
(
HWGROUP
(
drive
)
->
handler
!=
NULL
);
ide_set_handler
(
drive
,
icside_dmaintr
,
2
*
WAIT_CMD
,
NULL
);
/*
* FIX ME to use only ACB ide_task_t args Struct
*/
#if 0
{
ide_task_t *args = rq->special;
c
omman
d = args->tfRegister[IDE_COMMAND_OFFSET];
c
m
d = args->tfRegister[IDE_COMMAND_OFFSET];
}
#else
if
(
rq
->
flags
&
REQ_DRIVE_TASKFILE
)
{
...
...
@@ -566,8 +554,9 @@ int icside_dma_write(ide_drive_t *drive)
cmd
=
WIN_WRITEDMA
;
}
#endif
/* issue cmd to drive */
HWIF
(
drive
)
->
OUTB
(
cmd
,
IDE_COMMAND_REG
);
ide_execute_command
(
drive
,
cmd
,
icside_dmaintr
,
2
*
WAIT_CMD
,
NULL
);
return
icside_dma_begin
(
drive
);
}
...
...
@@ -787,7 +776,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
state
->
hwif
[
0
]
=
hwif
;
state
->
hwif
[
1
]
=
mate
;
ec
->
irq_data
=
state
;
ec
->
irq_data
=
state
;
ec
->
ops
=
&
icside_ops_arcin_v6
;
hwif
->
maskproc
=
icside_maskproc
;
...
...
@@ -797,7 +786,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
hwif
->
serialized
=
1
;
hwif
->
config_data
=
slot_port
;
hwif
->
select_data
=
sel
;
hwif
->
hw
.
dma
=
ec
->
dma
;
hwif
->
hw
.
dma
=
ec
->
dma
;
mate
->
maskproc
=
icside_maskproc
;
mate
->
channel
=
1
;
...
...
@@ -806,7 +795,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
mate
->
serialized
=
1
;
mate
->
config_data
=
slot_port
;
mate
->
select_data
=
sel
|
1
;
mate
->
hw
.
dma
=
ec
->
dma
;
mate
->
hw
.
dma
=
ec
->
dma
;
if
(
ec
->
dma
!=
NO_DMA
&&
!
request_dma
(
ec
->
dma
,
hwif
->
name
))
{
icside_dma_init
(
hwif
);
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment