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f71808e_wdt.c File Reference
#include <linux/err.h>
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/uaccess.h>
#include <linux/watchdog.h>

Go to the source code of this file.

Data Structures

struct  watchdog_data
 

Macros

#define pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
 
#define DRVNAME   "f71808e_wdt"
 
#define SIO_F71808FG_LD_WDT   0x07 /* Watchdog timer logical device */
 
#define SIO_UNLOCK_KEY   0x87 /* Key to enable Super-I/O */
 
#define SIO_LOCK_KEY   0xAA /* Key to diasble Super-I/O */
 
#define SIO_REG_LDSEL   0x07 /* Logical device select */
 
#define SIO_REG_DEVID   0x20 /* Device ID (2 bytes) */
 
#define SIO_REG_DEVREV   0x22 /* Device revision */
 
#define SIO_REG_MANID   0x23 /* Fintek ID (2 bytes) */
 
#define SIO_REG_ROM_ADDR_SEL   0x27 /* ROM address select */
 
#define SIO_REG_MFUNCT1   0x29 /* Multi function select 1 */
 
#define SIO_REG_MFUNCT2   0x2a /* Multi function select 2 */
 
#define SIO_REG_MFUNCT3   0x2b /* Multi function select 3 */
 
#define SIO_REG_ENABLE   0x30 /* Logical device enable */
 
#define SIO_REG_ADDR   0x60 /* Logical device address (2 bytes) */
 
#define SIO_FINTEK_ID   0x1934 /* Manufacturers ID */
 
#define SIO_F71808_ID   0x0901 /* Chipset ID */
 
#define SIO_F71858_ID   0x0507 /* Chipset ID */
 
#define SIO_F71862_ID   0x0601 /* Chipset ID */
 
#define SIO_F71869_ID   0x0814 /* Chipset ID */
 
#define SIO_F71869A_ID   0x1007 /* Chipset ID */
 
#define SIO_F71882_ID   0x0541 /* Chipset ID */
 
#define SIO_F71889_ID   0x0723 /* Chipset ID */
 
#define F71808FG_REG_WDO_CONF   0xf0
 
#define F71808FG_REG_WDT_CONF   0xf5
 
#define F71808FG_REG_WD_TIME   0xf6
 
#define F71808FG_FLAG_WDOUT_EN   7
 
#define F71808FG_FLAG_WDTMOUT_STS   5
 
#define F71808FG_FLAG_WD_EN   5
 
#define F71808FG_FLAG_WD_PULSE   4
 
#define F71808FG_FLAG_WD_UNIT   3
 
#define WATCHDOG_TIMEOUT   60 /* 1 minute default timeout */
 
#define WATCHDOG_MAX_TIMEOUT   (60 * 255)
 
#define WATCHDOG_PULSE_WIDTH
 
#define WATCHDOG_F71862FG_PIN
 

Enumerations

enum  chips {
  ad7416, ad7417, ad7418, adm1021,
  adm1023, max1617, max1617a, thmc10,
  lm84, gl523sm, mc1066, adm1025,
  ne1619, adm1030, adm1031, adm9240,
  ds1780, lm81, adt7473, adt7475,
  adt7476, adt7490, amc6821, dme1737,
  sch5027, sch311x, sch5127, f71808e,
  f71808a, f71858fg, f71862fg, f71869,
  f71869a, f71882fg, f71889fg, f71889ed,
  f71889a, f8000, f81865f, f75373,
  f75375, f75387, fscpos, fscher,
  fscscy, fschrc, fschmd, fschds,
  fscsyl, gl518sm_r00, gl518sm_r80, it87,
  it8712, it8716, it8718, it8720,
  it8721, it8728, it8782, it8783,
  lm63, lm64, lm96163, lm78,
  lm79, lm83, lm82, any_chip,
  lm85b, lm85c, adm1027, adt7463,
  adt7468, emc6d100, emc6d102, emc6d103,
  emc6d103s, lm87, adm1024, lm90,
  adm1032, lm99, lm86, max6657,
  max6659, adt7461, max6680, max6646,
  w83l771, max6696, sa56004, g781,
  max1110, max1111, max1112, max1113,
  max16065, max16066, max16067, max16068,
  max16070, max16071, max1668, max1805,
  max1989, mcp3021, mcp3221, adm1075,
  adm1275, adm1276, lm25066, lm5064,
  lm5066, ltc2978, ltc3880, max34440,
  max34441, max34446, ucd9000, ucd90120,
  ucd90124, ucd9090, ucd90910, ucd9200,
  ucd9220, ucd9222, ucd9224, ucd9240,
  ucd9244, ucd9246, ucd9248, zl2004,
  zl2005, zl2006, zl2008, zl2105,
  zl2106, zl6100, zl6105, zl9101,
  zl9117, smm465, smm665, smm665c,
  smm764, smm766, smsc47m1, smsc47m2,
  thmc50, adm1022, tmp401, tmp411,
  tmp421, tmp422, tmp423, w83627hf,
  w83627thf, w83697hf, w83637hf, w83687thf,
  w83781d, w83782d, w83783s, as99127f,
  DC21040 = 0, DC21041 = 1, DC21140 = 2, DC21142 = 3,
  DC21143 = 3, LC82C168, MX98713, MX98715,
  MX98725, AX88140, PNIC2, COMET,
  COMPEX9881, I21145, DM910X, CONEXANT,
  TPS62360, TPS62361, TPS62362, TPS62363,
  sc18is602, sc18is602b, sc18is603, f71808fg,
  f71858fg, f71862fg, f71869, f71882fg,
  f71889fg
}
 

Functions

 module_param (force_id, ushort, 0)
 
 MODULE_PARM_DESC (force_id,"Override the detected device ID")
 
 module_param (timeout, int, 0)
 
 MODULE_PARM_DESC (timeout,"Watchdog timeout in seconds. 1<= timeout <="__MODULE_STRING(WATCHDOG_MAX_TIMEOUT)" (default="__MODULE_STRING(WATCHDOG_TIMEOUT)")")
 
 module_param (pulse_width, uint, 0)
 
 MODULE_PARM_DESC (pulse_width,"Watchdog signal pulse width. 0(=level), 1 ms, 25 ms, 125 ms or 5000 ms"" (default="__MODULE_STRING(WATCHDOG_PULSE_WIDTH)")")
 
 module_param (f71862fg_pin, uint, 0)
 
 MODULE_PARM_DESC (f71862fg_pin,"Watchdog f71862fg reset output pin configuration. Choose pin 56 or 63"" (default="__MODULE_STRING(WATCHDOG_F71862FG_PIN)")")
 
 module_param (nowayout, bool, 0444)
 
 MODULE_PARM_DESC (nowayout,"Disable watchdog shutdown on close")
 
 module_param (start_withtimeout, uint, 0)
 
 MODULE_PARM_DESC (start_withtimeout,"Start watchdog timer on module load with"" given initial timeout. Zero (default) disables this feature.")
 
 MODULE_DESCRIPTION ("F71808E Watchdog Driver")
 
 MODULE_AUTHOR ("Giel van Schijndel <[email protected]>")
 
 MODULE_LICENSE ("GPL")
 
 module_init (f71808e_init)
 
 module_exit (f71808e_exit)
 

Macro Definition Documentation

#define DRVNAME   "f71808e_wdt"

Definition at line 37 of file f71808e_wdt.c.

#define F71808FG_FLAG_WD_EN   5

Definition at line 70 of file f71808e_wdt.c.

#define F71808FG_FLAG_WD_PULSE   4

Definition at line 71 of file f71808e_wdt.c.

#define F71808FG_FLAG_WD_UNIT   3

Definition at line 72 of file f71808e_wdt.c.

#define F71808FG_FLAG_WDOUT_EN   7

Definition at line 67 of file f71808e_wdt.c.

#define F71808FG_FLAG_WDTMOUT_STS   5

Definition at line 69 of file f71808e_wdt.c.

#define F71808FG_REG_WD_TIME   0xf6

Definition at line 65 of file f71808e_wdt.c.

#define F71808FG_REG_WDO_CONF   0xf0

Definition at line 63 of file f71808e_wdt.c.

#define F71808FG_REG_WDT_CONF   0xf5

Definition at line 64 of file f71808e_wdt.c.

#define pr_fmt (   fmt)    KBUILD_MODNAME ": " fmt

Definition at line 22 of file f71808e_wdt.c.

#define SIO_F71808_ID   0x0901 /* Chipset ID */

Definition at line 55 of file f71808e_wdt.c.

#define SIO_F71808FG_LD_WDT   0x07 /* Watchdog timer logical device */

Definition at line 39 of file f71808e_wdt.c.

#define SIO_F71858_ID   0x0507 /* Chipset ID */

Definition at line 56 of file f71808e_wdt.c.

#define SIO_F71862_ID   0x0601 /* Chipset ID */

Definition at line 57 of file f71808e_wdt.c.

#define SIO_F71869_ID   0x0814 /* Chipset ID */

Definition at line 58 of file f71808e_wdt.c.

#define SIO_F71869A_ID   0x1007 /* Chipset ID */

Definition at line 59 of file f71808e_wdt.c.

#define SIO_F71882_ID   0x0541 /* Chipset ID */

Definition at line 60 of file f71808e_wdt.c.

#define SIO_F71889_ID   0x0723 /* Chipset ID */

Definition at line 61 of file f71808e_wdt.c.

#define SIO_FINTEK_ID   0x1934 /* Manufacturers ID */

Definition at line 54 of file f71808e_wdt.c.

#define SIO_LOCK_KEY   0xAA /* Key to diasble Super-I/O */

Definition at line 41 of file f71808e_wdt.c.

#define SIO_REG_ADDR   0x60 /* Logical device address (2 bytes) */

Definition at line 52 of file f71808e_wdt.c.

#define SIO_REG_DEVID   0x20 /* Device ID (2 bytes) */

Definition at line 44 of file f71808e_wdt.c.

#define SIO_REG_DEVREV   0x22 /* Device revision */

Definition at line 45 of file f71808e_wdt.c.

#define SIO_REG_ENABLE   0x30 /* Logical device enable */

Definition at line 51 of file f71808e_wdt.c.

#define SIO_REG_LDSEL   0x07 /* Logical device select */

Definition at line 43 of file f71808e_wdt.c.

#define SIO_REG_MANID   0x23 /* Fintek ID (2 bytes) */

Definition at line 46 of file f71808e_wdt.c.

#define SIO_REG_MFUNCT1   0x29 /* Multi function select 1 */

Definition at line 48 of file f71808e_wdt.c.

#define SIO_REG_MFUNCT2   0x2a /* Multi function select 2 */

Definition at line 49 of file f71808e_wdt.c.

#define SIO_REG_MFUNCT3   0x2b /* Multi function select 3 */

Definition at line 50 of file f71808e_wdt.c.

#define SIO_REG_ROM_ADDR_SEL   0x27 /* ROM address select */

Definition at line 47 of file f71808e_wdt.c.

#define SIO_UNLOCK_KEY   0x87 /* Key to enable Super-I/O */

Definition at line 40 of file f71808e_wdt.c.

#define WATCHDOG_F71862FG_PIN
Value:
63 /* default watchdog reset output
pin number 63 */

Definition at line 78 of file f71808e_wdt.c.

#define WATCHDOG_MAX_TIMEOUT   (60 * 255)

Definition at line 76 of file f71808e_wdt.c.

#define WATCHDOG_PULSE_WIDTH
Value:
125 /* 125 ms, default pulse width for
watchdog signal */

Definition at line 77 of file f71808e_wdt.c.

#define WATCHDOG_TIMEOUT   60 /* 1 minute default timeout */

Definition at line 75 of file f71808e_wdt.c.

Enumeration Type Documentation

enum chips
Enumerator:
ad7416 
ad7417 
ad7418 
adm1021 
adm1023 
max1617 
max1617a 
thmc10 
lm84 
gl523sm 
mc1066 
adm1025 
ne1619 
adm1030 
adm1031 
adm9240 
ds1780 
lm81 
adt7473 
adt7475 
adt7476 
adt7490 
amc6821 
dme1737 
sch5027 
sch311x 
sch5127 
f71808e 
f71808a 
f71858fg 
f71862fg 
f71869 
f71869a 
f71882fg 
f71889fg 
f71889ed 
f71889a 
f8000 
f81865f 
f75373 
f75375 
f75387 
fscpos 
fscher 
fscscy 
fschrc 
fschmd 
fschds 
fscsyl 
gl518sm_r00 
gl518sm_r80 
it87 
it8712 
it8716 
it8718 
it8720 
it8721 
it8728 
it8782 
it8783 
lm63 
lm64 
lm96163 
lm78 
lm79 
lm83 
lm82 
any_chip 
lm85b 
lm85c 
adm1027 
adt7463 
adt7468 
emc6d100 
emc6d102 
emc6d103 
emc6d103s 
lm87 
adm1024 
lm90 
adm1032 
lm99 
lm86 
max6657 
max6659 
adt7461 
max6680 
max6646 
w83l771 
max6696 
sa56004 
g781 
max1110 
max1111 
max1112 
max1113 
max16065 
max16066 
max16067 
max16068 
max16070 
max16071 
max1668 
max1805 
max1989 
mcp3021 
mcp3221 
adm1075 
adm1275 
adm1276 
lm25066 
lm5064 
lm5066 
ltc2978 
ltc3880 
max34440 
max34441 
max34446 
ucd9000 
ucd90120 
ucd90124 
ucd9090 
ucd90910 
ucd9200 
ucd9220 
ucd9222 
ucd9224 
ucd9240 
ucd9244 
ucd9246 
ucd9248 
zl2004 
zl2005 
zl2006 
zl2008 
zl2105 
zl2106 
zl6100 
zl6105 
zl9101 
zl9117 
smm465 
smm665 
smm665c 
smm764 
smm766 
smsc47m1 
smsc47m2 
thmc50 
adm1022 
tmp401 
tmp411 
tmp421 
tmp422 
tmp423 
w83627hf 
w83627thf 
w83697hf 
w83637hf 
w83687thf 
w83781d 
w83782d 
w83783s 
as99127f 
DC21040 
DC21041 
DC21140 
DC21142 
DC21143 
LC82C168 
MX98713 
MX98715 
MX98725 
AX88140 
PNIC2 
COMET 
COMPEX9881 
I21145 
DM910X 
CONEXANT 
TPS62360 
TPS62361 
TPS62362 
TPS62363 
sc18is602 
sc18is602b 
sc18is603 
f71808fg 
f71858fg 
f71862fg 
f71869 
f71882fg 
f71889fg 

Definition at line 113 of file f71808e_wdt.c.

Function Documentation

MODULE_AUTHOR ( "Giel van Schijndel <[email protected]>"  )
MODULE_DESCRIPTION ( "F71808E Watchdog Driver"  )
module_exit ( f71808e_exit  )
module_init ( f71808e_init  )
MODULE_LICENSE ( "GPL"  )
module_param ( force_id  ,
ushort  ,
 
)
module_param ( timeout  ,
int  ,
 
)
module_param ( pulse_width  ,
uint  ,
 
)
module_param ( f71862fg_pin  ,
uint  ,
 
)
module_param ( nowayout  ,
bool  ,
0444   
)
module_param ( start_withtimeout  ,
uint  ,
 
)
MODULE_PARM_DESC ( force_id  ,
"Override the detected device ID  
)
MODULE_PARM_DESC ( timeout  ,
"Watchdog timeout in seconds. 1<= timeout <="__MODULE_STRING(WATCHDOG_MAX_TIMEOUT)" (default="__MODULE_STRING(WATCHDOG_TIMEOUT)")"   
)
MODULE_PARM_DESC ( pulse_width  ,
"Watchdog signal pulse width.   0=level,
ms,
25  ms,
125 ms or 5000 ms""(default="__MODULE_STRING(WATCHDOG_PULSE_WIDTH)")"   
)
MODULE_PARM_DESC ( f71862fg_pin  ,
"Watchdog f71862fg reset output pin configuration. Choose pin 56 or 63"" (default="__MODULE_STRING(WATCHDOG_F71862FG_PIN)")"   
)
MODULE_PARM_DESC ( nowayout  ,
"Disable watchdog shutdown on close"   
)
MODULE_PARM_DESC ( start_withtimeout  ,
"Start watchdog timer on module load with"" given initial timeout. Zero (default) disables this feature."   
)