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| author | Wim Van Sebroeck <wim@iguana.be> | 2007-02-09 21:35:36 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2007-02-09 21:35:36 +0100 |
| commit | 9af9fc45ddd3e315c51f87392b5048967e4343cd (patch) | |
| tree | 78f00b28dab7d8f222be20d5503570394b586b23 /drivers/char/watchdog/pcwd.c | |
| parent | Linux 2.6.20 (diff) | |
| parent | [WATCHDOG] pcwd_usb.c - get heartbeat from dip switches (diff) | |
| download | linux-9af9fc45ddd3e315c51f87392b5048967e4343cd.tar.xz linux-9af9fc45ddd3e315c51f87392b5048967e4343cd.zip | |
Merge ../linux-2.6-watchdog-mm
Diffstat (limited to 'drivers/char/watchdog/pcwd.c')
| -rw-r--r-- | drivers/char/watchdog/pcwd.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/drivers/char/watchdog/pcwd.c b/drivers/char/watchdog/pcwd.c index 8e1e6e48e0a7..aab6621817a0 100644 --- a/drivers/char/watchdog/pcwd.c +++ b/drivers/char/watchdog/pcwd.c @@ -2,7 +2,7 @@ * PC Watchdog Driver * by Ken Hollis (khollis@bitgate.com) * - * Permission granted from Simon Machell (73244.1270@compuserve.com) + * Permission granted from Simon Machell (smachell@berkprod.com) * Written for the Linux Kernel, and GPLed by Ken Hollis * * 960107 Added request_region routines, modulized the whole thing. @@ -70,8 +70,8 @@ #include <asm/io.h> /* For inb/outb/... */ /* Module and version information */ -#define WATCHDOG_VERSION "1.17" -#define WATCHDOG_DATE "12 Feb 2006" +#define WATCHDOG_VERSION "1.18" +#define WATCHDOG_DATE "06 Jan 2007" #define WATCHDOG_DRIVER_NAME "ISA-PC Watchdog" #define WATCHDOG_NAME "pcwd" #define PFX WATCHDOG_NAME ": " @@ -132,6 +132,18 @@ #define CMD_ISA_DELAY_TIME_8SECS 0x0C #define CMD_ISA_RESET_RELAYS 0x0D +/* Watchdog's Dip Switch heartbeat values */ +static const int heartbeat_tbl [] = { + 20, /* OFF-OFF-OFF = 20 Sec */ + 40, /* OFF-OFF-ON = 40 Sec */ + 60, /* OFF-ON-OFF = 1 Min */ + 300, /* OFF-ON-ON = 5 Min */ + 600, /* ON-OFF-OFF = 10 Min */ + 1800, /* ON-OFF-ON = 30 Min */ + 3600, /* ON-ON-OFF = 1 Hour */ + 7200, /* ON-ON-ON = 2 hour */ +}; + /* * We are using an kernel timer to do the pinging of the watchdog * every ~500ms. We try to set the internal heartbeat of the @@ -167,10 +179,10 @@ static int debug = QUIET; module_param(debug, int, 0); MODULE_PARM_DESC(debug, "Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)"); -#define WATCHDOG_HEARTBEAT 60 /* 60 sec default heartbeat */ +#define WATCHDOG_HEARTBEAT 0 /* default heartbeat = delay-time from dip-switches */ static int heartbeat = WATCHDOG_HEARTBEAT; module_param(heartbeat, int, 0); -MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<=heartbeat<=7200, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")"); +MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<=heartbeat<=7200 or 0=delay-time from dip-switches, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")"); static int nowayout = WATCHDOG_NOWAYOUT; module_param(nowayout, int, 0); @@ -844,6 +856,10 @@ static int __devinit pcwatchdog_init(int base_addr) /* Show info about the card itself */ pcwd_show_card_info(); + /* If heartbeat = 0 then we use the heartbeat from the dip-switches */ + if (heartbeat == 0) + heartbeat = heartbeat_tbl[(pcwd_get_option_switches() & 0x07)]; + /* Check that the heartbeat value is within it's range ; if not reset to the default */ if (pcwd_set_heartbeat(heartbeat)) { pcwd_set_heartbeat(WATCHDOG_HEARTBEAT); |