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
057ea4e1
Commit
057ea4e1
authored
Sep 13, 2003
by
Dave Jones
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
[CPUFREQ] CodingStyle fixes for speedstep-smi
parent
5f27f461
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
49 additions
and
49 deletions
+49
-49
arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
+49
-49
No files found.
arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
View file @
057ea4e1
...
@@ -65,43 +65,45 @@ static struct cpufreq_frequency_table speedstep_freqs[] = {
...
@@ -65,43 +65,45 @@ static struct cpufreq_frequency_table speedstep_freqs[] = {
*/
*/
static
int
speedstep_smi_ownership
(
void
)
static
int
speedstep_smi_ownership
(
void
)
{
{
u32
command
,
result
,
magic
;
u32
command
,
result
,
magic
;
u32
function
=
GET_SPEEDSTEP_OWNER
;
u32
function
=
GET_SPEEDSTEP_OWNER
;
unsigned
char
magic_data
[]
=
"Copyright (c) 1999 Intel Corporation"
;
unsigned
char
magic_data
[]
=
"Copyright (c) 1999 Intel Corporation"
;
command
=
(
smi_sig
&
0xffffff00
)
|
(
smi_cmd
&
0xff
);
command
=
(
smi_sig
&
0xffffff00
)
|
(
smi_cmd
&
0xff
);
magic
=
virt_to_phys
(
magic_data
);
magic
=
virt_to_phys
(
magic_data
);
__asm__
__volatile__
(
__asm__
__volatile__
(
"out %%al, (%%dx)
\n
"
"out %%al, (%%dx)
\n
"
:
"=D"
(
result
)
:
"=D"
(
result
)
:
"a"
(
command
),
"b"
(
function
),
"c"
(
0
),
"d"
(
smi_port
),
"D"
(
0
),
"S"
(
magic
)
:
"a"
(
command
),
"b"
(
function
),
"c"
(
0
),
"d"
(
smi_port
),
"D"
(
0
),
"S"
(
magic
)
);
);
return
result
;
return
result
;
}
}
/**
/**
* speedstep_smi_get_freqs - get SpeedStep preferred & current freq.
* speedstep_smi_get_freqs - get SpeedStep preferred & current freq.
*
*
*/
*/
static
int
speedstep_smi_get_freqs
(
unsigned
int
*
low
,
unsigned
int
*
high
)
static
int
speedstep_smi_get_freqs
(
unsigned
int
*
low
,
unsigned
int
*
high
)
{
{
u32
command
,
result
,
edi
,
high_mhz
,
low_mhz
;
u32
command
,
result
,
edi
,
high_mhz
,
low_mhz
;
u32
state
=
0
;
u32
state
=
0
;
u32
function
=
GET_SPEEDSTEP_FREQS
;
u32
function
=
GET_SPEEDSTEP_FREQS
;
command
=
(
smi_sig
&
0xffffff00
)
|
(
smi_cmd
&
0xff
);
command
=
(
smi_sig
&
0xffffff00
)
|
(
smi_cmd
&
0xff
);
__asm__
__volatile__
(
"movl $0, %%edi
\n
"
__asm__
__volatile__
(
"movl $0, %%edi
\n
"
"out %%al, (%%dx)
\n
"
"out %%al, (%%dx)
\n
"
:
"=a"
(
result
),
"=b"
(
high_mhz
),
"=c"
(
low_mhz
),
"=d"
(
state
),
"=D"
(
edi
)
:
"=a"
(
result
),
"=b"
(
high_mhz
),
"=c"
(
low_mhz
),
"=d"
(
state
),
"=D"
(
edi
)
:
"a"
(
command
),
"b"
(
function
),
"c"
(
state
),
"d"
(
smi_port
),
"S"
(
0
)
:
"a"
(
command
),
"b"
(
function
),
"c"
(
state
),
"d"
(
smi_port
),
"S"
(
0
)
);
);
*
high
=
high_mhz
*
1000
;
*
high
=
high_mhz
*
1000
;
*
low
=
low_mhz
*
1000
;
*
low
=
low_mhz
*
1000
;
return
result
;
return
result
;
}
}
/**
/**
* speedstep_get_state - set the SpeedStep state
* speedstep_get_state - set the SpeedStep state
* @state: processor frequency state (SPEEDSTEP_LOW or SPEEDSTEP_HIGH)
* @state: processor frequency state (SPEEDSTEP_LOW or SPEEDSTEP_HIGH)
...
@@ -109,17 +111,17 @@ static int speedstep_smi_get_freqs (unsigned int *low, unsigned int *high)
...
@@ -109,17 +111,17 @@ static int speedstep_smi_get_freqs (unsigned int *low, unsigned int *high)
*/
*/
static
int
speedstep_get_state
(
void
)
static
int
speedstep_get_state
(
void
)
{
{
u32
function
=
GET_SPEEDSTEP_STATE
;
u32
function
=
GET_SPEEDSTEP_STATE
;
u32
result
,
state
,
edi
,
command
;
u32
result
,
state
,
edi
,
command
;
command
=
(
smi_sig
&
0xffffff00
)
|
(
smi_cmd
&
0xff
);
command
=
(
smi_sig
&
0xffffff00
)
|
(
smi_cmd
&
0xff
);
__asm__
__volatile__
(
"movl $0, %%edi
\n
"
"out %%al, (%%dx)
\n
"
:
"=a"
(
result
),
"=b"
(
state
),
"=D"
(
edi
)
:
"a"
(
command
),
"b"
(
function
),
"c"
(
0
),
"d"
(
smi_port
),
"S"
(
0
)
);
__asm__
__volatile__
(
"movl $0, %%edi
\n
"
"out %%al, (%%dx)
\n
"
:
"=a"
(
result
),
"=b"
(
state
),
"=D"
(
edi
)
:
"a"
(
command
),
"b"
(
function
),
"c"
(
0
),
"d"
(
smi_port
),
"S"
(
0
)
);
return
state
;
return
state
;
}
}
...
@@ -130,10 +132,10 @@ static int speedstep_get_state (void)
...
@@ -130,10 +132,10 @@ static int speedstep_get_state (void)
*/
*/
static
void
speedstep_set_state
(
unsigned
int
state
,
unsigned
int
notify
)
static
void
speedstep_set_state
(
unsigned
int
state
,
unsigned
int
notify
)
{
{
unsigned
int
old_state
,
result
,
command
,
new_state
;
unsigned
int
old_state
,
result
,
command
,
new_state
;
unsigned
long
flags
;
unsigned
long
flags
;
struct
cpufreq_freqs
freqs
;
struct
cpufreq_freqs
freqs
;
unsigned
int
function
=
SET_SPEEDSTEP_STATE
;
unsigned
int
function
=
SET_SPEEDSTEP_STATE
;
if
(
state
>
0x1
)
if
(
state
>
0x1
)
return
;
return
;
...
@@ -142,7 +144,7 @@ static void speedstep_set_state (unsigned int state, unsigned int notify)
...
@@ -142,7 +144,7 @@ static void speedstep_set_state (unsigned int state, unsigned int notify)
freqs
.
old
=
speedstep_freqs
[
old_state
].
frequency
;
freqs
.
old
=
speedstep_freqs
[
old_state
].
frequency
;
freqs
.
new
=
speedstep_freqs
[
state
].
frequency
;
freqs
.
new
=
speedstep_freqs
[
state
].
frequency
;
freqs
.
cpu
=
0
;
/* speedstep.c is UP only driver */
freqs
.
cpu
=
0
;
/* speedstep.c is UP only driver */
if
(
old_state
==
state
)
if
(
old_state
==
state
)
return
;
return
;
...
@@ -152,13 +154,13 @@ static void speedstep_set_state (unsigned int state, unsigned int notify)
...
@@ -152,13 +154,13 @@ static void speedstep_set_state (unsigned int state, unsigned int notify)
/* Disable IRQs */
/* Disable IRQs */
local_irq_save
(
flags
);
local_irq_save
(
flags
);
command
=
(
smi_sig
&
0xffffff00
)
|
(
smi_cmd
&
0xff
);
command
=
(
smi_sig
&
0xffffff00
)
|
(
smi_cmd
&
0xff
);
__asm__
__volatile__
(
__asm__
__volatile__
(
"movl $0, %%edi
\n
"
"movl $0, %%edi
\n
"
"out %%al, (%%dx)
\n
"
"out %%al, (%%dx)
\n
"
:
"=b"
(
new_state
),
"=D"
(
result
)
:
"=b"
(
new_state
),
"=D"
(
result
)
:
"a"
(
command
),
"b"
(
function
),
"c"
(
state
),
"d"
(
smi_port
),
"S"
(
0
)
:
"a"
(
command
),
"b"
(
function
),
"c"
(
state
),
"d"
(
smi_port
),
"S"
(
0
)
);
);
/* enable IRQs */
/* enable IRQs */
local_irq_restore
(
flags
);
local_irq_restore
(
flags
);
...
@@ -185,10 +187,9 @@ static void speedstep_set_state (unsigned int state, unsigned int notify)
...
@@ -185,10 +187,9 @@ static void speedstep_set_state (unsigned int state, unsigned int notify)
* Sets a new CPUFreq policy/freq.
* Sets a new CPUFreq policy/freq.
*/
*/
static
int
speedstep_target
(
struct
cpufreq_policy
*
policy
,
static
int
speedstep_target
(
struct
cpufreq_policy
*
policy
,
unsigned
int
target_freq
,
unsigned
int
target_freq
,
unsigned
int
relation
)
unsigned
int
relation
)
{
{
unsigned
int
newstate
=
0
;
unsigned
int
newstate
=
0
;
if
(
cpufreq_frequency_table_target
(
policy
,
&
speedstep_freqs
[
0
],
target_freq
,
relation
,
&
newstate
))
if
(
cpufreq_frequency_table_target
(
policy
,
&
speedstep_freqs
[
0
],
target_freq
,
relation
,
&
newstate
))
return
-
EINVAL
;
return
-
EINVAL
;
...
@@ -214,8 +215,8 @@ static int speedstep_verify (struct cpufreq_policy *policy)
...
@@ -214,8 +215,8 @@ static int speedstep_verify (struct cpufreq_policy *policy)
static
int
speedstep_cpu_init
(
struct
cpufreq_policy
*
policy
)
static
int
speedstep_cpu_init
(
struct
cpufreq_policy
*
policy
)
{
{
int
result
;
int
result
;
unsigned
int
speed
,
state
;
unsigned
int
speed
,
state
;
/* capability check */
/* capability check */
if
(
policy
->
cpu
!=
0
)
if
(
policy
->
cpu
!=
0
)
...
@@ -228,7 +229,7 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy)
...
@@ -228,7 +229,7 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy)
/* detect low and high frequency */
/* detect low and high frequency */
result
=
speedstep_smi_get_freqs
(
&
speedstep_freqs
[
SPEEDSTEP_LOW
].
frequency
,
result
=
speedstep_smi_get_freqs
(
&
speedstep_freqs
[
SPEEDSTEP_LOW
].
frequency
,
&
speedstep_freqs
[
SPEEDSTEP_HIGH
].
frequency
);
&
speedstep_freqs
[
SPEEDSTEP_HIGH
].
frequency
);
if
(
result
)
{
if
(
result
)
{
/* fall back to speedstep_lib.c dection mechanism: try both states out */
/* fall back to speedstep_lib.c dection mechanism: try both states out */
unsigned
int
speedstep_processor
=
speedstep_detect_processor
();
unsigned
int
speedstep_processor
=
speedstep_detect_processor
();
...
@@ -238,9 +239,9 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy)
...
@@ -238,9 +239,9 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy)
return
-
ENODEV
;
return
-
ENODEV
;
result
=
speedstep_get_freqs
(
speedstep_processor
,
result
=
speedstep_get_freqs
(
speedstep_processor
,
&
speedstep_freqs
[
SPEEDSTEP_LOW
].
frequency
,
&
speedstep_freqs
[
SPEEDSTEP_LOW
].
frequency
,
&
speedstep_freqs
[
SPEEDSTEP_HIGH
].
frequency
,
&
speedstep_freqs
[
SPEEDSTEP_HIGH
].
frequency
,
&
speedstep_set_state
);
&
speedstep_set_state
);
if
(
result
)
{
if
(
result
)
{
dprintk
(
KERN_INFO
"speedstep-smi: could not detect two different speeds -- aborting.
\n
"
);
dprintk
(
KERN_INFO
"speedstep-smi: could not detect two different speeds -- aborting.
\n
"
);
...
@@ -294,7 +295,6 @@ static struct cpufreq_driver speedstep_driver = {
...
@@ -294,7 +295,6 @@ static struct cpufreq_driver speedstep_driver = {
*/
*/
static
int
__init
speedstep_init
(
void
)
static
int
__init
speedstep_init
(
void
)
{
{
dprintk
(
"speedstep-smi: signature:0%.8lx, command:0lx%.8lx, event:0x%.8lx, perf_level:0x%.8lx.
\n
"
,
dprintk
(
"speedstep-smi: signature:0%.8lx, command:0lx%.8lx, event:0x%.8lx, perf_level:0x%.8lx.
\n
"
,
ist_info
.
signature
,
ist_info
.
command
,
ist_info
.
event
,
ist_info
.
perf_level
);
ist_info
.
signature
,
ist_info
.
command
,
ist_info
.
event
,
ist_info
.
perf_level
);
...
...
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