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#ifndef __INCmvPciUtilsh
#define __INCmvPciUtilsh

/* 
This module only support scanning of Header type 00h of pci devices 
There is no suppotr for Header type 01h of pci devices  ( PCI bridges )
*/

/* includes */
#include "mvSysHwConfig.h"
#include "pci-if/mvPciIf.h"
#include "pci/mvPciRegs.h"


/* PCI base address low bar mask */
#define PCI_ERROR_CODE                      0xffffffff

#define PCI_BRIDGE_CLASS					0x6
#define P2P_BRIDGE_SUB_CLASS_CODE			0x4


#define P2P_BUSSES_NUM						0x18
#define P2P_IO_BASE_LIMIT_SEC_STATUS		0x1C
#define P2P_MEM_BASE_LIMIT					0x20
#define P2P_PREF_MEM_BASE_LIMIT				0x24
#define P2P_PREF_BASE_UPPER_32				0x28
#define P2P_PREF_LIMIT_UPPER_32				0x2C
#define P2P_IO_BASE_LIMIT_UPPER_16			0x30
#define P2P_EXP_ROM							0x38

/* P2P_BUSSES_NUM  (PBM) */

#define PBM_PRIME_BUS_NUM_OFFS				0
#define PBM_PRIME_BUS_NUM_MASK				(0xff << PBM_PRIME_BUS_NUM_OFFS)

#define PBM_SEC_BUS_NUM_OFFS				8
#define PBM_SEC_BUS_NUM_MASK				(0xff << PBM_SEC_BUS_NUM_OFFS)

#define PBM_SUB_BUS_NUM_OFFS				16
#define PBM_SUB_BUS_NUM_MASK				(0xff << PBM_SUB_BUS_NUM_OFFS)

#define PBM_SEC_LAT_TMR_OFFS				24
#define PBM_SEC_LAT_TMR_MASK				(0xff << PBM_SEC_LAT_TMR_OFFS)

/* P2P_IO_BASE_LIMIT_SEC_STATUS (PIBLSS) */

#define PIBLSS_IO_BASE_OFFS					0
#define PIBLSS_IO_BASE_MASK					(0xff << PIBLSS_IO_BASE_OFFS)

#define PIBLSS_ADD_CAP_OFFS					0
#define PIBLSS_ADD_CAP_MASK 				(0x3 << PIBLSS_ADD_CAP_OFFS)
#define PIBLSS_ADD_CAP_16BIT 				(0x0 << PIBLSS_ADD_CAP_OFFS)
#define PIBLSS_ADD_CAP_32BIT 				(0x1 << PIBLSS_ADD_CAP_OFFS)

#define PIBLSS_LOW_ADDR_OFFS				0
#define PIBLSS_LOW_ADDR_MASK				(0xFFF << PIBLSS_LOW_ADDR_OFFS)

#define PIBLSS_HIGH_ADDR_OFFS				12
#define PIBLSS_HIGH_ADDR_MASK				(0xF << PIBLSS_HIGH_ADDR_OFFS)

#define PIBLSS_IO_LIMIT_OFFS				8
#define PIBLSS_IO_LIMIT_MASK				(0xff << PIBLSS_IO_LIMIT_OFFS)

#define PIBLSS_SEC_STATUS_OFFS				16
#define PIBLSS_SEC_STATUS_MASK				(0xffff << PIBLSS_SEC_STATUS_OFFS)


/* P2P_MEM_BASE_LIMIT (PMBL)*/

#define PMBL_MEM_BASE_OFFS					0
#define PMBL_MEM_BASE_MASK					(0xffff << PMBL_MEM_BASE_OFFS)

#define PMBL_MEM_LIMIT_OFFS					16
#define PMBL_MEM_LIMIT_MASK					(0xffff << PMBL_MEM_LIMIT_OFFS)


#define PMBL_LOW_ADDR_OFFS					0
#define PMBL_LOW_ADDR_MASK					(0xFFFFF << PMBL_LOW_ADDR_OFFS)

#define PMBL_HIGH_ADDR_OFFS					20
#define PMBL_HIGH_ADDR_MASK					(0xFFF << PMBL_HIGH_ADDR_OFFS)


/* P2P_PREF_MEM_BASE_LIMIT (PRMBL) */

#define PRMBL_PREF_MEM_BASE_OFFS			0
#define PRMBL_PREF_MEM_BASE_MASK			(0xffff << PRMBL_PREF_MEM_BASE_OFFS)

#define PRMBL_PREF_MEM_LIMIT_OFFS			16
#define PRMBL_PREF_MEM_LIMIT_MASK			(0xffff<<PRMBL_PREF_MEM_LIMIT_OFFS)

#define PRMBL_LOW_ADDR_OFFS					0
#define PRMBL_LOW_ADDR_MASK					(0xFFFFF << PRMBL_LOW_ADDR_OFFS)

#define PRMBL_HIGH_ADDR_OFFS				20
#define PRMBL_HIGH_ADDR_MASK				(0xFFF << PRMBL_HIGH_ADDR_OFFS)

#define PRMBL_ADD_CAP_OFFS					0
#define PRMBL_ADD_CAP_MASK					(0xf << PRMBL_ADD_CAP_OFFS)
#define PRMBL_ADD_CAP_32BIT					(0x0 << PRMBL_ADD_CAP_OFFS)
#define PRMBL_ADD_CAP_64BIT					(0x1 << PRMBL_ADD_CAP_OFFS)

/* P2P_IO_BASE_LIMIT_UPPER_16 (PIBLU) */

#define PRBU_IO_UPP_BASE_OFFS				0
#define PRBU_IO_UPP_BASE_MASK				(0xffff << PRBU_IO_UPP_BASE_OFFS)

#define PRBU_IO_UPP_LIMIT_OFFS				16
#define PRBU_IO_UPP_LIMIT_MASK				(0xffff << PRBU_IO_UPP_LIMIT_OFFS)


/* typedefs */

typedef enum _mvPciBarMapping
{
    PCI_MEMORY_BAR, 
    PCI_IO_BAR, 
    PCI_NO_MAPPING
}MV_PCI_BAR_MAPPING;

typedef enum _mvPciBarType
{
    PCI_32BIT_BAR, 
    PCI_64BIT_BAR
}MV_PCI_BAR_TYPE;

typedef enum _mvPciIntPin
{
    MV_PCI_INTA = 1,
    MV_PCI_INTB = 2,
    MV_PCI_INTC = 3,
    MV_PCI_INTD = 4
}MV_PCI_INT_PIN;

typedef enum _mvPciHeader
{
    MV_PCI_STANDARD,
    MV_PCI_PCI2PCI_BRIDGE

}MV_PCI_HEADER;


/* BAR structure */
typedef struct _pciBar
{
    MV_U32 barOffset;
    MV_U32 barBaseLow;
    MV_U32 barBaseHigh;
    MV_U32 barSizeLow;
    MV_U32 barSizeHigh;
    /* The 'barBaseAddr' is a 64-bit variable
       that will contain the TOTAL base address
       value achived by combining both the 'barBaseLow'
       and the 'barBaseHigh' parameters as follows:

       BIT: 63          31         0
            |           |         |
            barBaseHigh barBaseLow */
    MV_U64 barBaseAddr;
    /* The 'barSize' is a 64-bit variable
       that will contain the TOTAL size achived
       by combining both the 'barSizeLow' and
       the 'barSizeHigh' parameters as follows:

       BIT: 63          31         0
            |           |         |
            barSizeHigh barSizeLow

       NOTE: The total size described above
             is AFTER the size calculation as
             described in PCI spec rev2.2 */
    MV_U64 barSize;
    MV_BOOL            isPrefetchable;
    MV_PCI_BAR_TYPE       barType;
    MV_PCI_BAR_MAPPING    barMapping;


} PCI_BAR;

/* Device information structure */
typedef struct _mvPciDevice
{
    /* Device specific information */
	MV_U32			busNumber; 	/* Pci agent bus number */
    MV_U32			deviceNum;	/* Pci agent device number */
    MV_U32			function;	/* Pci agent function number */

	MV_U32			venID;		/* Pci agent Vendor ID */
    MV_U32			deviceID;	/* Pci agent Device ID */

    MV_BOOL			isFastB2BCapable;	/* Capability of Fast Back to Back 
										   transactions */
	MV_BOOL			isCapListSupport;	/* Support of Capability list */
	MV_BOOL			is66MHZCapable;		/* 66MHZ support */

    MV_U32			baseClassCode;		/* Pci agent base Class Code */
    MV_U32			subClassCode;		/* Pci agent sub Class Code */
    MV_U32			progIf;				/* Pci agent Programing interface */
	MV_U32			revisionID;

    PCI_BAR			pciBar[6]; 			/* Pci agent bar list */

	MV_U32			p2pPrimBusNum;		/* P2P Primary Bus number*/
	MV_U32			p2pSecBusNum;		/* P2P Secondary Bus Number*/
	MV_U32			p2pSubBusNum;		/* P2P Subordinate bus Number */
	MV_U32			p2pSecLatencyTimer;	/* P2P Econdary Latency Timer*/
	MV_U32			p2pIObase;			/* P2P IO Base */
	MV_U32			p2pIOLimit;			/* P2P IO Linit */
	MV_BOOL			bIO32;	
	MV_U32			p2pSecStatus;		/* P2P Secondary Status */
	MV_U32			p2pMemBase;			/* P2P Memory Space */
	MV_U32			p2pMemLimit;		/* P2P Memory Limit*/
	MV_U32			p2pPrefMemBase;		/* P2P Prefetchable Mem Base*/
	MV_U32			p2pPrefMemLimit;	/* P2P Prefetchable Memory Limit*/
	MV_BOOL			bPrefMem64;	
	MV_U32			p2pPrefBaseUpper32Bits;/* P2P Prefetchable upper 32 bits*/
	MV_U32			p2pPrefLimitUpper32Bits;/* P2P prefetchable limit upper 32*/


	MV_U32			pciCacheLine;		/* Pci agent cache line */
	MV_U32			pciLatencyTimer;	/* Pci agent Latency timer  */
    MV_PCI_HEADER	pciHeader;			/* Pci agent header type*/
    MV_BOOL			isMultiFunction;	/* Multi function support */
	MV_BOOL			isBISTCapable;		/* Self test capable */

	MV_U32			subSysID;			/* Sub System ID */
	MV_U32			subSysVenID;		/* Sub System Vendor ID */

	MV_BOOL			isExpRom;			/* Expantion Rom support */
	MV_U32			expRomAddr;			/* Expantion Rom pointer */

	MV_U32			capListPointer;		/* Capability list pointer */

	MV_U32			irqLine;		/* IRQ line  */
	MV_PCI_INT_PIN	intPin;			/* Interrupt pin */
	MV_U32			minGrant;		/* Minimum grant*/
	MV_U32			maxLatency;		/* Maximum latency*/

	MV_U32 			funtionsNum;	/* pci agent total functions number */

	MV_U32 			barsNum;
    MV_U8           type[60];		/* class name of the pci agent */


} MV_PCI_DEVICE;

/* PCI gloabl functions */
MV_STATUS mvPciClassNameGet(MV_U32 classCode, MV_8 *pType);


/* Performs a full scan on both PCIs and returns all possible details on the
   agents found on the bus. */
MV_STATUS mvPciScan(MV_U32 pciIf,
					MV_PCI_DEVICE *pPciAgents,
					MV_U32 *pPciAgentsNum);


#endif /* #ifndef __INCmvPciUtilsh */