#ifndef _linux_ar7wdt_h_
#define _linux_ar7wdt_h_


#define MAX_WDT_NAME_LEN        64
#define MAX_WDT_APPLS           31   /*--- Position 31 ist fuer init-ueberwachung reserviert ---*/

#if defined(CONFIG_GRX5)
#define WDT_DEFAULT_TIME  2
#elif defined(CONFIG_MIPS_FUSIV) || defined(CONFIG_LANTIQ) || defined(CONFIG_ATH79) || defined(CONFIG_ARCH_IPQ40XX)
#define WDT_DEFAULT_TIME  5
#elif defined(CONFIG_ARCH_PUMA5) || defined(CONFIG_MACH_PUMA6) || defined(CONFIG_X86) || defined(CONFIG_MACH_BCM963138) || defined(CONFIG_ARCH_AVALANCHE)
#define WDT_DEFAULT_TIME  10
#else /*--- #if defined(CONFIG_ARCH_PUMA5) ---*/
#define WDT_DEFAULT_TIME  20
#endif /*--- #else ---*/ /*--- #if defined(CONFIG_MIPS_FUSIV) ---*/

struct _ar7wdt_command_queue {
	unsigned int rd, wr;
	unsigned char cmd[8];
};

struct _ar7wdt_appl_data {
	char Name[MAX_WDT_NAME_LEN + 1];
	unsigned int default_time;
	struct timer_list Timer;
	unsigned int *pf_owner;
	struct fasync_struct *fasync;
	wait_queue_head_t wait_queue;
	unsigned int  wait_condition;
	unsigned long req_jiffies;
	unsigned long avg_trigger;
	unsigned long pagefaults;
	unsigned int  crashflag;
	unsigned int  is_announce;
	pid_t	      pid;
};

struct _ar7wdt_data {
	volatile unsigned int mask;
	volatile unsigned int triggered;
	volatile unsigned int requested;
	volatile unsigned int states; /*--- timer schon einmal erfolglos abgelaufen ---*/
	volatile unsigned int last_hw_wd_trigger;
	struct _ar7wdt_appl_data appl[MAX_WDT_APPLS + 1];
#if MAX_WDT_APPLS > 31
#error MAX_WDT_APPLS darf maximal 31 sein
#endif
};

/**
 */
extern int AVM_WATCHDOG_register(int handle, char *name, int len);
extern int AVM_WATCHDOG_announce(int handle, char *name, int len);
extern int AVM_WATCHDOG_release(int handle, char *name, int len);
extern int AVM_WATCHDOG_set_timeout(int handle, char *name, int len);
extern int AVM_WATCHDOG_trigger(int handle, char *name, int len);
extern int AVM_WATCHDOG_disable(int handle, char *name, int len);
extern int AVM_WATCHDOG_read(int handle, char *name, int len);
extern int AVM_WATCHDOG_init_start(int handle, char *name, int len);
extern int AVM_WATCHDOG_init_done(int handle, char *name, int len);
extern int AVM_WATCHDOG_reboot(int handle);
extern int AVM_WATCHDOG_poll(int handle);
extern void AVM_WATCHDOG_ungraceful_release(int handle);
extern void AVM_WATCHDOG_emergency_retrigger(void);

/**
 */
extern void AVM_WATCHDOG_init(void);
extern void AVM_WATCHDOG_deinit(void);
extern void AVM_WATCHDOG_OOM_init(void);
extern struct fasync_struct **AVM_WATCHDOG_get_fasync_ptr(int handle);
extern wait_queue_head_t *AVM_WATCHDOG_get_wait_queue(int handle);
extern int AVM_WATCHDOG_wait_event_interruptible(int handle);
extern int ar7wdt_no_reboot;


/**
 */
void ar7wdt_hw_trigger(void);
void ar7wdt_hw_reboot(void);
void ar7wdt_hw_deinit(void);
void ar7wdt_hw_init(void);
int ar7wdt_hw_is_wdt_running(void);
void ar7wdt_hw_secure_wdt_disable(void);

#if defined(CONFIG_AVM_FASTIRQ)
/**
 * der (pseudo-)nmi-handler ueber fastirq
 */
int register_nmi_notifier(struct notifier_block *nb);
#endif /*--- #if defined(CONFIG_AVM_FASTIRQ) ---*/

#define ATH_GET_NMI_MODE
int ath_get_nmi_mode(void);

#endif /*--- #ifndef _linux_ar7wdt_h_ ---*/