/*
   * CAAM Security Violation Handler
   * Copyright (C) 2012-2015 Freescale Semiconductor, Inc., All Rights Reserved
   */
  
  #ifndef SECVIO_H
  #define SECVIO_H
  
  #include "snvsregs.h"
  
  
  /*
   * Defines the published interfaces to install/remove application-specified
   * handlers for catching violations
   */
  
  #define MAX_SECVIO_SOURCES 6
  
  /* these are the untranslated causes */
  enum secvio_cause {
  	SECVIO_CAUSE_SOURCE_0,
  	SECVIO_CAUSE_SOURCE_1,
  	SECVIO_CAUSE_SOURCE_2,
  	SECVIO_CAUSE_SOURCE_3,
  	SECVIO_CAUSE_SOURCE_4,
  	SECVIO_CAUSE_SOURCE_5
  };
  
  /* These are common "recommended" cause definitions for most devices */
  #define SECVIO_CAUSE_CAAM_VIOLATION	SECVIO_CAUSE_SOURCE_0
  #define SECVIO_CAUSE_JTAG_ALARM		SECVIO_CAUSE_SOURCE_1
  #define SECVIO_CAUSE_WATCHDOG		SECVIO_CAUSE_SOURCE_2
  #define SECVIO_CAUSE_EXTERNAL_BOOT	SECVIO_CAUSE_SOURCE_4
  #define SECVIO_CAUSE_TAMPER_DETECT	SECVIO_CAUSE_SOURCE_5
  
  int snvs_secvio_install_handler(struct device *dev, enum secvio_cause cause,
  				void (*handler)(struct device *dev, u32 cause,
  						void *ext),
  				u8 *cause_description, void *ext);
  int snvs_secvio_remove_handler(struct device *dev, enum  secvio_cause cause);
  
  /*
   * Private data definitions for the secvio "driver"
   */
  
  struct secvio_int_src {
  	const u8 *intname;	/* Points to a descriptive name for source */
  	void *ext;		/* Extended data to pass to the handler */
  	void (*handler)(struct device *dev, u32 cause, void *ext);
  };
  
  struct snvs_secvio_drv_private {
  	struct platform_device *pdev;
  	spinlock_t svlock ____cacheline_aligned;
  	struct tasklet_struct irqtask[NR_CPUS];
  	struct snvs_full __iomem *svregs;	/* both HP and LP domains */
  	int irq;
  	u32 irqcause; /* stashed cause of violation interrupt */
  
  	/* Registered handlers for each violation */
  	struct secvio_int_src intsrc[MAX_SECVIO_SOURCES];
  
  };
  
  #endif /* SECVIO_H */