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-rw-r--r--drivers/char/watchdog/pcwd_pci.c26
1 files changed, 21 insertions, 5 deletions
diff --git a/drivers/char/watchdog/pcwd_pci.c b/drivers/char/watchdog/pcwd_pci.c
index f4872c871063..059ac9f12de7 100644
--- a/drivers/char/watchdog/pcwd_pci.c
+++ b/drivers/char/watchdog/pcwd_pci.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * Berkshire PCI-PC Watchdog Card Driver 2 * Berkshire PCI-PC Watchdog Card Driver
3 * 3 *
4 * (c) Copyright 2003-2005 Wim Van Sebroeck <wim@iguana.be>. 4 * (c) Copyright 2003-2007 Wim Van Sebroeck <wim@iguana.be>.
5 * 5 *
6 * Based on source code of the following authors: 6 * Based on source code of the following authors:
7 * Ken Hollis <kenji@bitgate.com>, 7 * Ken Hollis <kenji@bitgate.com>,
@@ -51,8 +51,8 @@
51#include <asm/io.h> /* For inb/outb/... */ 51#include <asm/io.h> /* For inb/outb/... */
52 52
53/* Module and version information */ 53/* Module and version information */
54#define WATCHDOG_VERSION "1.02" 54#define WATCHDOG_VERSION "1.03"
55#define WATCHDOG_DATE "03 Sep 2005" 55#define WATCHDOG_DATE "06 Jan 2007"
56#define WATCHDOG_DRIVER_NAME "PCI-PC Watchdog" 56#define WATCHDOG_DRIVER_NAME "PCI-PC Watchdog"
57#define WATCHDOG_NAME "pcwd_pci" 57#define WATCHDOG_NAME "pcwd_pci"
58#define PFX WATCHDOG_NAME ": " 58#define PFX WATCHDOG_NAME ": "
@@ -96,6 +96,18 @@
96#define CMD_WRITE_WATCHDOG_TIMEOUT 0x19 96#define CMD_WRITE_WATCHDOG_TIMEOUT 0x19
97#define CMD_GET_CLEAR_RESET_COUNT 0x84 97#define CMD_GET_CLEAR_RESET_COUNT 0x84
98 98
99/* Watchdog's Dip Switch heartbeat values */
100static const int heartbeat_tbl [] = {
101 5, /* OFF-OFF-OFF = 5 Sec */
102 10, /* OFF-OFF-ON = 10 Sec */
103 30, /* OFF-ON-OFF = 30 Sec */
104 60, /* OFF-ON-ON = 1 Min */
105 300, /* ON-OFF-OFF = 5 Min */
106 600, /* ON-OFF-ON = 10 Min */
107 1800, /* ON-ON-OFF = 30 Min */
108 3600, /* ON-ON-ON = 1 hour */
109};
110
99/* We can only use 1 card due to the /dev/watchdog restriction */ 111/* We can only use 1 card due to the /dev/watchdog restriction */
100static int cards_found; 112static int cards_found;
101 113
@@ -119,10 +131,10 @@ static int debug = QUIET;
119module_param(debug, int, 0); 131module_param(debug, int, 0);
120MODULE_PARM_DESC(debug, "Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)"); 132MODULE_PARM_DESC(debug, "Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)");
121 133
122#define WATCHDOG_HEARTBEAT 2 /* 2 sec default heartbeat */ 134#define WATCHDOG_HEARTBEAT 0 /* default heartbeat = delay-time from dip-switches */
123static int heartbeat = WATCHDOG_HEARTBEAT; 135static int heartbeat = WATCHDOG_HEARTBEAT;
124module_param(heartbeat, int, 0); 136module_param(heartbeat, int, 0);
125MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")"); 137MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536 or 0=delay-time from dip-switches, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
126 138
127static int nowayout = WATCHDOG_NOWAYOUT; 139static int nowayout = WATCHDOG_NOWAYOUT;
128module_param(nowayout, int, 0); 140module_param(nowayout, int, 0);
@@ -711,6 +723,10 @@ static int __devinit pcipcwd_card_init(struct pci_dev *pdev,
711 /* Show info about the card itself */ 723 /* Show info about the card itself */
712 pcipcwd_show_card_info(); 724 pcipcwd_show_card_info();
713 725
726 /* If heartbeat = 0 then we use the heartbeat from the dip-switches */
727 if (heartbeat == 0)
728 heartbeat = heartbeat_tbl[(pcipcwd_get_option_switches() & 0x07)];
729
714 /* Check that the heartbeat value is within it's range ; if not reset to the default */ 730 /* Check that the heartbeat value is within it's range ; if not reset to the default */
715 if (pcipcwd_set_heartbeat(heartbeat)) { 731 if (pcipcwd_set_heartbeat(heartbeat)) {
716 pcipcwd_set_heartbeat(WATCHDOG_HEARTBEAT); 732 pcipcwd_set_heartbeat(WATCHDOG_HEARTBEAT);