/*******************************************************************************

NAME            ibChip.h
SUMMARY         %description%
VERSION         %version: 2 %
UPDATE DATE     %date_modified: Tue Oct 04 13:30:38 2005 %
PROGRAMMER      %created_by:    tsnider %

        Copyright 2005, Engenio Information Technologies, Inc.

DESCRIPTION: This file contains 23108 chip related items and interface prototypes for access 
routines.
*******************************************************************************/

#ifndef __INCibChip
#define __INCibChip

/* There are seperate registers for each port generally the register offset for port 2
   is the offset for port 1 + 0x800 */

#define PORT0_OFFSET	0
#define PORT1_OFFSET	0x800

#define LED_REGISTER_OFFSET 0xf0084
#define VENDOR_ID	  PCIV_MELLANOX	// 0x15b3
#define DEV_ID		PCID_INFINIHOST	// 0x5a44
#define GPIO_UPPER			0xf0080
#define GPIO_LOWER			0xf0084
#define GPIO_DIRECTION		0xf0088
#define GPIO_POLARITY_UPPER	0xf0090
#define GPIO_POLARITY_LOWER	0xf0094

#define IB_LINK_PHYSICAL_STATE 0x100FC  /* Bits [7:0] */


/* Link width i.e. speed information. The registers for link width indicate the 
   current/active width of each link. Please see below.

	MT23108 LINK_WIDTH Address, Port1 = 0x1001C, 32-bit data field.
	MT23108 LINK_WIDTH Address, Port2 = 0x1081C, 32-bit data field.
            Link_width_active      => bits [7:0]                  
            Link_width_supported   => bits [15:8]
            Link_with_enabled      => bits [23:16]
Definition
=======
LinkWidth-Enabled Enabled link width indicated as follows:
 0: No state change (NOP)
 1: 1X
 2: 4X
 3: 1X or 4X
 8: 12X
 9: 1X or 12X
10: 4X or 12X
11: 1X, 4X or 12X

4 - 7, 12 - 254: Reserved (ignored)		255: Set to LinkWidthSupported value
When writing this field, only legal transitions are valid. Initial value is 0.

LinkWidthSupported Supported link width indicated as follows:
 1: 1X
 3: 1X or 4X
11: 1X, 4X or 12X
					0, 2, 4 - 10, 12 - 255: Reserved.	Initial value is 0.
	 
LinkWidthActive Currently active link width indicated as follows:
1: 1X
2: 4X
8: 12X
					0, 3, 4 - 7, 9 - 255: Reserved.	Initial value is 0

readIbRegs 0x1001C,0x1001c - 7011001c - 02 03 03 00
*/

#define LINK_WIDTH_OFFSET	0x1001C	

/*
The available performance counters for Port1 and Port2 is listed below.
 
 									 	Offsets
                                     Port1	 Port2	 Valid Bits
PortXmitData                   addr 0x10120  0x10920 	32 bits		      
PortRcvData                    addr 0x10124  0x10924 	32 bits		      
PortXmitPkts                   addr 0x10128  0x10928 	32 bits		      
PortRcvPkts                    addr 0x1012C  0x1092C 	32 bits		      
PortRcvErrors                  addr 0x10130  0x10930 	16 bits, lsb
PortXmitDiscards               addr 0x10134  0x10934 	16 bits, lsb
VL15DroppedCounter             addr 0x10138  0x10938 	16 bits, lsb
PortXmitWait                   addr 0x1013C  0x1093C 	32 bits		      
LocalIntegrityErrors           addr 0x10140  0x10940 	 8 bits, lsb
PortRcvRemotePhysicalErrors    addr 0x10144  0x10944 	16 bits, lsb
PortXmitConstraintErrors       addr 0x10148  0x10948 	 8 bits, lsb
PortRcvConstraintErrors        addr 0x1014C  0x1094C 	 8 bits, lsb
SymbolErrorCounter             addr 0x10150  0x10950 	32 bits
LinkErrorRecoveryCounter       addr 0x10154  0x10954 	bits [15:0]
LinkDownCounter                addr 0x10154  0x10954 	bits [31:16]
ExcessiveBufferOverrunErrors   addr 0x10164  0x10964 	bits [7:0]
LocalLinkIntegrityErrors       addr 0x10164  0x10964 	bits [15:8]
*/

#define PORT_XMIT_DATA					0x10120
#define PORT_RCV_DATA					0x10124
#define PORT_XMIT_PKTS					0x10128
#define PORT_RCV_PKTS					0x1012C
#define PORT_RCV_ERRORS					0x10130
#define PORT_XMIT_DISCARDS				0x10134
#define VL15_DROPPED_COUNTER			0x10138
#define PORT_XMIT_WAIT					0x1013C
#define LOCAL_INTEGRITY_ERRORS			0x10140
#define PORT_RCV_REMOTE_PHYSICAL_ERRORS	0x10144
#define PORT_XMIT_CONSTRAINT_ERRORS		0x10148
#define PORT_RCV_CONSTRAINT_ERRORS		0x1014C
#define SYMBOL_ERROR_COUNTER			0x10150
#define LINK_ERROR_RECOVERY_COUNTER		0x10154
#define	LINK_DOWN_COUNTER				0x10154
#define EXCESSIVE_BUFFER_OVERRUN_ERRORS	0x10164
#define LOCAL_LINK_INTEGRITY_ERRORS		0x10164

typedef struct ib_chip_counters
{ 
	ULONG portXmitData;                    /* 32 bits */
	ULONG portRcvData;					   /* 32 bits */
	ULONG portXmitPkts;                    /* 32 bits */
	ULONG portRcvPkts;					   /* 32 bits */
	USHORT portRcvErrors;				   /* 16 bits, lsb */
	USHORT portXmitDiscards;               /* 16 bits, lsb */
	USHORT vL15DroppedCounter;			   /* 16 bits, lsb */
	ULONG portXmitWait;                    /* 32 bits */
	BYTE localIntegrityErrors;             /* 8 bits, lsb */
	USHORT portRcvRemotePhysicalErrors;	   /* 16 bits, lsb */
	BYTE portXmitConstraintErrors;	       /*  8 bits, lsb */
	BYTE portRcvConstraintErrors;          /*  8 bits, lsb */
	ULONG symbolErrorCounter;			   /* 32 bits */
	USHORT linkErrorRecoveryCounter;	   /* bits [15:0] */
	USHORT linkDownCounter;				   /* bits [31:16] */
	BYTE excessiveBufferOverrunErrors;     /* bits [7:0] */
	USHORT localLinkIntegrityErrors;       /* bits [15:8] */
} IB_CHIP_COUNTERS;

typedef struct ibLinkSpeed
{
	ULONG	activeLinkWidth;
	ULONG	supportedLinkWidth;
	ULONG	enabledLinkWidth;
} IB_LINK_SPEED;

#endif        /* End of __INCibChip */