#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/pci.h>
#include <linux/ioport.h>
#include <linux/spinlock.h>
#include <linux/uaccess.h>
#include <linux/io.h>

Macros
#define	pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#define	WATCHDOG_VERSION "1.03"

#define	WATCHDOG_DRIVER_NAME "PCI-PC Watchdog"

#define	WATCHDOG_NAME "pcwd_pci"

#define	DRIVER_VERSION WATCHDOG_DRIVER_NAME " driver, v" WATCHDOG_VERSION

#define	PCI_VENDOR_ID_QUICKLOGIC 0x11e3

#define	PCI_DEVICE_ID_WATCHDOG_PCIPCWD 0x5030

#define	WD_PCI_WTRP 0x01 /* Watchdog Trip status */

#define	WD_PCI_HRBT 0x02 /* Watchdog Heartbeat */

#define	WD_PCI_TTRP 0x04 /* Temperature Trip status */

#define	WD_PCI_RL2A 0x08 /* Relay 2 Active */

#define	WD_PCI_RL1A 0x10 /* Relay 1 Active */

#define	WD_PCI_R2DS

#define	WD_PCI_RLY2 0x80 /* Activate Relay 2 on the board */

#define	WD_PCI_WDIS 0x10 /* Watchdog Disable */

#define	WD_PCI_ENTP 0x20 /* Enable Temperature Trip Reset */

#define	WD_PCI_WRSP 0x40 /* Watchdog wrote response */

#define	WD_PCI_PCMD 0x80 /* PC has sent command */

#define	PCI_COMMAND_TIMEOUT 150

#define	CMD_GET_STATUS 0x04

#define	CMD_GET_FIRMWARE_VERSION 0x08

#define	CMD_READ_WATCHDOG_TIMEOUT 0x18

#define	CMD_WRITE_WATCHDOG_TIMEOUT 0x19

#define	CMD_GET_CLEAR_RESET_COUNT 0x84

#define	QUIET 0 /* Default */

#define	VERBOSE 1 /* Verbose */

#define	DEBUG 2 /* print fancy stuff too */

#define	WATCHDOG_HEARTBEAT

Functions
	module_param (debug, int, 0)

	MODULE_PARM_DESC (debug,"Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)")

	module_param (heartbeat, int, 0)

	MODULE_PARM_DESC (heartbeat,"Watchdog heartbeat in seconds. ""(0<heartbeat<65536 or 0=delay-time from dip-switches, default="__MODULE_STRING(WATCHDOG_HEARTBEAT)")")

	module_param (nowayout, bool, 0)

	MODULE_PARM_DESC (nowayout,"Watchdog cannot be stopped once started (default="__MODULE_STRING(WATCHDOG_NOWAYOUT)")")

	MODULE_DEVICE_TABLE (pci, pcipcwd_pci_tbl)

	module_pci_driver (pcipcwd_driver)

	MODULE_AUTHOR ("Wim Van Sebroeck <[email protected]>")

	MODULE_DESCRIPTION ("Berkshire PCI-PC Watchdog driver")

	MODULE_LICENSE ("GPL")

	MODULE_ALIAS_MISCDEV (WATCHDOG_MINOR)

	MODULE_ALIAS_MISCDEV (TEMP_MINOR)

Macro Definition Documentation

#define CMD_GET_CLEAR_RESET_COUNT 0x84

Definition at line 97 of file pcwd_pci.c.

#define CMD_GET_FIRMWARE_VERSION 0x08

Definition at line 94 of file pcwd_pci.c.

#define CMD_GET_STATUS 0x04

Definition at line 93 of file pcwd_pci.c.

#define CMD_READ_WATCHDOG_TIMEOUT 0x18

Definition at line 95 of file pcwd_pci.c.

#define CMD_WRITE_WATCHDOG_TIMEOUT 0x19

Definition at line 96 of file pcwd_pci.c.

#define DEBUG 2 /* print fancy stuff too */

Definition at line 135 of file pcwd_pci.c.

#define DRIVER_VERSION WATCHDOG_DRIVER_NAME " driver, v" WATCHDOG_VERSION

Definition at line 59 of file pcwd_pci.c.

#define PCI_COMMAND_TIMEOUT 150

Definition at line 90 of file pcwd_pci.c.

#define PCI_DEVICE_ID_WATCHDOG_PCIPCWD 0x5030

Definition at line 67 of file pcwd_pci.c.

#define PCI_VENDOR_ID_QUICKLOGIC 0x11e3

Definition at line 63 of file pcwd_pci.c.

#define pr_fmt ( fmt ) KBUILD_MODNAME ": " fmt

Definition at line 35 of file pcwd_pci.c.

#define QUIET 0 /* Default */

Definition at line 133 of file pcwd_pci.c.

#define VERBOSE 1 /* Verbose */

Definition at line 134 of file pcwd_pci.c.

#define WATCHDOG_DRIVER_NAME "PCI-PC Watchdog"

Definition at line 57 of file pcwd_pci.c.

#define WATCHDOG_HEARTBEAT

Value:

0 /* default heartbeat =

delay-time from dip-switches */

Definition at line 140 of file pcwd_pci.c.

#define WATCHDOG_NAME "pcwd_pci"

Definition at line 58 of file pcwd_pci.c.

#define WATCHDOG_VERSION "1.03"

Definition at line 56 of file pcwd_pci.c.

#define WD_PCI_ENTP 0x20 /* Enable Temperature Trip Reset */

Definition at line 84 of file pcwd_pci.c.

#define WD_PCI_HRBT 0x02 /* Watchdog Heartbeat */

Definition at line 76 of file pcwd_pci.c.

#define WD_PCI_PCMD 0x80 /* PC has sent command */

Definition at line 86 of file pcwd_pci.c.

#define WD_PCI_R2DS

Value:

0x40 /* Relay 2 Disable Temperature-trip /

reset */

Definition at line 80 of file pcwd_pci.c.

#define WD_PCI_RL1A 0x10 /* Relay 1 Active */

Definition at line 79 of file pcwd_pci.c.

#define WD_PCI_RL2A 0x08 /* Relay 2 Active */

Definition at line 78 of file pcwd_pci.c.

#define WD_PCI_RLY2 0x80 /* Activate Relay 2 on the board */

Definition at line 81 of file pcwd_pci.c.

#define WD_PCI_TTRP 0x04 /* Temperature Trip status */

Definition at line 77 of file pcwd_pci.c.

#define WD_PCI_WDIS 0x10 /* Watchdog Disable */

Definition at line 83 of file pcwd_pci.c.

#define WD_PCI_WRSP 0x40 /* Watchdog wrote response */

Definition at line 85 of file pcwd_pci.c.

#define WD_PCI_WTRP 0x01 /* Watchdog Trip status */

Definition at line 75 of file pcwd_pci.c.

Function Documentation

MODULE_ALIAS_MISCDEV ( WATCHDOG_MINOR )

MODULE_ALIAS_MISCDEV ( TEMP_MINOR )

MODULE_AUTHOR ( "Wim Van Sebroeck <[email protected]>" )

MODULE_DESCRIPTION ( "Berkshire PCI-PC Watchdog driver" )

MODULE_DEVICE_TABLE	(	pci	,
		pcipcwd_pci_tbl
	)

MODULE_LICENSE ( "GPL" )

module_param	(	debug	,
		int	,
		0
	)

module_param	(	heartbeat	,
		int	,
		0
	)

module_param	(	nowayout	,
		bool	,
		0
	)

MODULE_PARM_DESC	(	debug	,
		"Debug level:	0 = `Quiet`,
		1	= `Verbose`
	)

MODULE_PARM_DESC	(	heartbeat	,
		"Watchdog heartbeat in seconds. ""(0<heartbeat<65536 or 0=delay-time from dip-switches, default="__MODULE_STRING(WATCHDOG_HEARTBEAT)")"
	)

MODULE_PARM_DESC	(	nowayout	,
		"Watchdog cannot be stopped once started (default="__MODULE_STRING(WATCHDOG_NOWAYOUT)")"
	)

module_pci_driver ( pcipcwd_driver )

Variable Documentation

int boot_status

Definition at line 123 of file pcwd_pci.c.

unsigned long io_addr

Definition at line 125 of file pcwd_pci.c.

spinlock_t io_lock

Definition at line 127 of file pcwd_pci.c.

struct pci_dev* pdev

Definition at line 129 of file pcwd_pci.c.

int supports_temp

Definition at line 121 of file pcwd_pci.c.

Macros

Functions

Macro Definition Documentation

Function Documentation

Variable Documentation