tms380tr.h

linux-2.6.15.6

					 * C: unchanged.
					 */
#define RX_RECEIVE_FS		0xFC00  /* R: reserved; must be reset to zero.
					 * C: on lists with START_FRAME, field
					 * contains frame status field from
					 * received frame; otherwise cleared.
					 */
#define RX_ADDR_MATCH		0x0300  /* R: reserved; must be reset to zero.
					 * C: address match code mask.
					 */ 
#define RX_STATUS_MASK		0x00FF  /* Mask for receive status bits. */

#define RX_INTERN_ADDR_MATCH    0x0100  /* C: internally address match. */
#define RX_EXTERN_ADDR_MATCH    0x0200  /* C: externally matched via
					 * XMATCH/XFAIL interface.
					 */
#define RX_INTEXT_ADDR_MATCH    0x0300  /* C: internally and externally
					 * matched.
					 */
#define RX_READY (RX_VALID | RX_FRAME_IRQ) /* Ready for receive. */

/* Constants for Command Status Interrupt.
 * COMMAND_REJECT status field bit functions (SSB.Parm[0])
 */
#define ILLEGAL_COMMAND		0x0080	/* Set if an unknown command
					 * is issued to the adapter
					 */
#define ADDRESS_ERROR		0x0040  /* Set if any address field in
					 * the SCB is odd. (not word aligned)
					 */
#define ADAPTER_OPEN		0x0020  /* Command issued illegal with
					 * open adapter.
					 */
#define ADAPTER_CLOSE		0x0010  /* Command issued illegal with
					 * closed adapter.
					 */
#define SAME_COMMAND		0x0008  /* Command issued with same command
					 * already executing.
					 */

/* OPEN_COMPLETION values (SSB.Parm[0], MSB) */
#define NODE_ADDR_ERROR		0x0040  /* Wrong address or BIA read
					 * zero address.
					 */
#define LIST_SIZE_ERROR		0x0020  /* If List_Size value not in 0,
					 * 14, 20, 26.
					 */
#define BUF_SIZE_ERROR		0x0010  /* Not enough available memory for
					 * two buffers.
					 */
#define TX_BUF_COUNT_ERROR	0x0004  /* Remaining receive buffers less than
					 * two.
					 */
#define OPEN_ERROR		0x0002	/* Error during ring insertion; more
					 * information in bits 8-15.
					 */

/* Standard return codes */
#define GOOD_COMPLETION		0x0080  /* =OPEN_SUCCESSFULL */
#define INVALID_OPEN_OPTION	0x0001  /* OPEN options are not supported by
					 * the adapter.
					 */

/* OPEN phases; details of OPEN_ERROR (SSB.Parm[0], LSB)            */
#define OPEN_PHASES_MASK            0xF000  /* Check only the bits 8-11. */
#define LOBE_MEDIA_TEST             0x1000
#define PHYSICAL_INSERTION          0x2000
#define ADDRESS_VERIFICATION        0x3000
#define PARTICIPATION_IN_RING_POLL  0x4000
#define REQUEST_INITIALISATION      0x5000
#define FULLDUPLEX_CHECK            0x6000

/* OPEN error codes; details of OPEN_ERROR (SSB.Parm[0], LSB) */
#define OPEN_ERROR_CODES_MASK	0x0F00  /* Check only the bits 12-15. */
#define OPEN_FUNCTION_FAILURE   0x0100  /* Unable to transmit to itself or
					 * frames received before insertion.
					 */
#define OPEN_SIGNAL_LOSS	0x0200	/* Signal loss condition detected at
					 * receiver.
					 */
#define OPEN_TIMEOUT		0x0500	/* Insertion timer expired before
					 * logical insertion.
					 */
#define OPEN_RING_FAILURE	0x0600	/* Unable to receive own ring purge
					 * MAC frames.
					 */
#define OPEN_RING_BEACONING	0x0700	/* Beacon MAC frame received after
					 * ring insertion.
					 */
#define OPEN_DUPLICATE_NODEADDR	0x0800  /* Other station in ring found
					 * with the same address.
					 */
#define OPEN_REQUEST_INIT	0x0900	/* RPS present but does not respond. */
#define OPEN_REMOVE_RECEIVED    0x0A00  /* Adapter received a remove adapter
					 * MAC frame.
					 */
#define OPEN_FULLDUPLEX_SET	0x0D00	/* Got this with full duplex on when
					 * trying to connect to a normal ring.
					 */

/* SET_BRIDGE_PARMS return codes: */
#define BRIDGE_INVALID_MAX_LEN  0x4000  /* MAX_ROUTING_FIELD_LENGTH odd,
					 * less than 6 or > 30.
					 */
#define BRIDGE_INVALID_SRC_RING 0x2000  /* SOURCE_RING number zero, too large
					 * or = TARGET_RING.
					 */
#define BRIDGE_INVALID_TRG_RING 0x1000  /* TARGET_RING number zero, too large
					 * or = SOURCE_RING.
					 */
#define BRIDGE_INVALID_BRDGE_NO 0x0800  /* BRIDGE_NUMBER too large. */
#define BRIDGE_INVALID_OPTIONS  0x0400  /* Invalid bridge options. */
#define BRIDGE_DIAGS_FAILED     0x0200  /* Diagnostics of TMS380SRA failed. */
#define BRIDGE_NO_SRA           0x0100  /* The TMS380SRA does not exist in HW
					 * configuration.
					 */

/*
 * Bring Up Diagnostics error codes.
 */
#define BUD_INITIAL_ERROR       0x0
#define BUD_CHECKSUM_ERROR      0x1
#define BUD_ADAPTER_RAM_ERROR   0x2
#define BUD_INSTRUCTION_ERROR   0x3
#define BUD_CONTEXT_ERROR       0x4
#define BUD_PROTOCOL_ERROR      0x5
#define BUD_INTERFACE_ERROR	0x6

/* BUD constants */
#define BUD_MAX_RETRIES         3
#define BUD_MAX_LOOPCNT         6
#define BUD_TIMEOUT             3000

/* Initialization constants */
#define INIT_MAX_RETRIES        3	/* Maximum three retries. */
#define INIT_MAX_LOOPCNT        22      /* Maximum loop counts. */

/* RING STATUS field values (high/low) */
#define SIGNAL_LOSS             0x0080  /* Loss of signal on the ring
					 * detected.
					 */
#define HARD_ERROR              0x0040  /* Transmitting or receiving beacon
					 * frames.
					 */
#define SOFT_ERROR              0x0020  /* Report error MAC frame
					 * transmitted.
					 */
#define TRANSMIT_BEACON         0x0010  /* Transmitting beacon frames on the
					 * ring.
					 */
#define LOBE_WIRE_FAULT         0x0008  /* Open or short circuit in the
					 * cable to concentrator; adapter
					 * closed.
					 */
#define AUTO_REMOVAL_ERROR      0x0004  /* Lobe wrap test failed, deinserted;
					 * adapter closed.
					 */
#define REMOVE_RECEIVED         0x0001  /* Received a remove ring station MAC
					 * MAC frame request; adapter closed.
					 */
#define COUNTER_OVERFLOW        0x8000  /* Overflow of one of the adapters
					 * error counters; READ.ERROR.LOG.
					 */
#define SINGLE_STATION          0x4000  /* Adapter is the only station on the
					 * ring.
					 */
#define RING_RECOVERY           0x2000  /* Claim token MAC frames on the ring;
					 * reset after ring purge frame.
					 */

#define ADAPTER_CLOSED (LOBE_WIRE_FAULT | AUTO_REMOVAL_ERROR |\
                        REMOVE_RECEIVED)

/* Adapter_check_block.Status field bit assignments: */
#define DIO_PARITY              0x8000  /* Adapter detects bad parity
					 * through direct I/O access.
					 */
#define DMA_READ_ABORT          0x4000  /* Aborting DMA read operation
					 * from system Parm[0]: 0=timeout,
					 * 1=parity error, 2=bus error;
					 * Parm[1]: 32 bit pointer to host
					 * system address at failure.
					 */
#define DMA_WRITE_ABORT         0x2000  /* Aborting DMA write operation
					 * to system. (parameters analogous to
					 * DMA_READ_ABORT)
					 */
#define ILLEGAL_OP_CODE         0x1000  /* Illegal operation code in the
					 * the adapters firmware Parm[0]-2:
					 * communications processor registers
					 * R13-R15.
					 */
#define PARITY_ERRORS           0x0800  /* Adapter detects internal bus
					 * parity error.
					 */
#define RAM_DATA_ERROR          0x0080  /* Valid only during RAM testing;
					 * RAM data error Parm[0-1]: 32 bit
					 * pointer to RAM location.
					 */
#define RAM_PARITY_ERROR        0x0040  /* Valid only during RAM testing;
					 * RAM parity error Parm[0-1]: 32 bit
					 * pointer to RAM location.
					 */
#define RING_UNDERRUN           0x0020  /* Internal DMA underrun when
					 * transmitting onto ring.
					 */
#define INVALID_IRQ             0x0008  /* Unrecognized interrupt generated
					 * internal to adapter Parm[0-2]:
					 * adapter register R13-R15.
					 */
#define INVALID_ERROR_IRQ       0x0004  /* Unrecognized error interrupt
					 * generated Parm[0-2]: adapter register
					 * R13-R15.
					 */
#define INVALID_XOP             0x0002  /* Unrecognized XOP request in
					 * communication processor Parm[0-2]:
					 * adapter register R13-R15.
					 */
#define CHECKADDR               0x05E0  /* Adapter check status information
					 * address offset.
					 */
#define ROM_PAGE_0              0x0000  /* Adapter ROM page 0. */

/*
 * RECEIVE.STATUS interrupt result SSB values: (high-low)
 * (RECEIVE_COMPLETE field bit definitions in SSB.Parm[0])
 */
#define RX_COMPLETE             0x0080  /* SSB.Parm[0]; SSB.Parm[1]: 32
					 * bit pointer to last RPL.
					 */
#define RX_SUSPENDED            0x0040  /* SSB.Parm[0]; SSB.Parm[1]: 32
					 * bit pointer to RPL with odd
					 * forward pointer.
					 */

/* Valid receive CSTAT: */
#define RX_FRAME_CONTROL_BITS (RX_VALID | RX_START_FRAME | RX_END_FRAME | \
			       RX_FRAME_COMPLETE)
#define VALID_SINGLE_BUFFER_FRAME (RX_START_FRAME | RX_END_FRAME | \
				   RX_FRAME_COMPLETE)

typedef enum SKB_STAT SKB_STAT;
enum SKB_STAT {
	SKB_UNAVAILABLE,
	SKB_DMA_DIRECT,
	SKB_DATA_COPY
};

/* Receive Parameter List (RPL) The length of the RPLs has to be initialized 
 * in the OPL. (OPEN parameter list)
 */
#define RPL_NUM		3

#define RX_FRAG_NUM     1	/* Maximal number of used fragments in one RPL.
				 * (up to firmware v2.24: 3, now: up to 9)
				 */

#pragma pack(1)
typedef struct s_RPL RPL;
struct s_RPL {	/* Receive Parameter List */
	u_int32_t NextRPLAddr;		/* Pointer to next RPL in chain
					 * (normalized = physical 32 bit
					 * address) if pointer is odd: this
					 * is last RPL. Pointing to itself can
					 * cause problems!
					 */
	volatile u_int16_t Status;	/* Set by creation of Receive Parameter
					 * List RECEIVE_CSTAT_COMPLETE set by
					 * adapter in lists that start or end
					 * a frame.
					 */
	volatile u_int16_t FrameSize;	 /* Number of bytes received as a
					 * frame including AC/FC, Destination,
					 * Source, Routing field not including 
					 * CRC, FS (Frame Status), End Delimiter
					 * (valid only if START_FRAME bit in 
					 * CSTAT nonzero) must not be zero in
					 * any list; maximum value: (BUFFER_SIZE
					 * - 8) * TX_BUF_MAX sum of DataCount
					 * values in FragmentList must equal
					 * Frame_Size value in START_FRAME TPL!
					 * frame data fragment list
					 */

	/* TPL/RPL size in OPEN parameter list depending on maximal numbers
	 * of fragments used in one parameter list.
	 */
	Fragment FragList[RX_FRAG_NUM];	/* Maximum: nine frame fragments in
					 * one TPL. Actual version of firmware:
					 * 9 fragments possible.
					 */
#pragma pack()

	/* Special proprietary data and precalculations. */
	RPL *NextRPLPtr;	/* Logical pointer to next RPL in chain. */
	unsigned char *MData;
	struct sk_buff *Skb;
	SKB_STAT SkbStat;
	int RPLIndex;
	dma_addr_t DMABuff;		/* DMA IO bus address from dma_map */
};

/* Information that need to be kept for each board. */
typedef struct net_local {
#pragma pack(1)
	IPB ipb;	/* Initialization Parameter Block. */
	SCB scb;	/* System Command Block: system to adapter 
			 * communication.
			 */
	SSB ssb;	/* System Status Block: adapter to system 
			 * communication.
			 */
	OPB ocpl;	/* Open Options Parameter Block. */

	ERRORTAB errorlogtable;	/* Adapter statistic error counters.
				 * (read from adapter memory)
				 */
	unsigned char ProductID[PROD_ID_SIZE + 1]; /* Product ID */
#pragma pack()

	TPL Tpl[TPL_NUM];
	TPL *TplFree;
	TPL *TplBusy;
	unsigned char LocalTxBuffers[TPL_NUM][DEFAULT_PACKET_SIZE];

	RPL Rpl[RPL_NUM];
	RPL *RplHead;
	RPL *RplTail;
	unsigned char LocalRxBuffers[RPL_NUM][DEFAULT_PACKET_SIZE];

	struct device *pdev;
	int DataRate;
	unsigned char ScbInUse;
	unsigned short CMDqueue;

	unsigned long AdapterOpenFlag:1;
	unsigned long AdapterVirtOpenFlag:1;
	unsigned long OpenCommandIssued:1;
	unsigned long TransmitCommandActive:1;
	unsigned long TransmitHaltScheduled:1;
	unsigned long HaltInProgress:1;
	unsigned long LobeWireFaultLogged:1;
	unsigned long ReOpenInProgress:1;
	unsigned long Sleeping:1;

	unsigned long LastOpenStatus;
	unsigned short CurrentRingStatus;
	unsigned long MaxPacketSize;
	
	unsigned long StartTime;
	unsigned long LastSendTime;

	struct tr_statistics MacStat;	/* MAC statistics structure */

	unsigned long dmalimit; /* the max DMA address (ie, ISA) */
	dma_addr_t    dmabuffer; /* the DMA bus address corresponding to
				    priv. Might be different from virt_to_bus()
				    for architectures with IO MMU (Alpha) */

	struct timer_list timer;

	wait_queue_head_t  wait_for_tok_int;

	INTPTRS intptrs;	/* Internal adapter pointer. Must be read
				 * before OPEN command.
				 */
	unsigned short (*setnselout)(struct net_device *);
	unsigned short (*sifreadb)(struct net_device *, unsigned short);
	void (*sifwriteb)(struct net_device *, unsigned short, unsigned short);
	unsigned short (*sifreadw)(struct net_device *, unsigned short);
	void (*sifwritew)(struct net_device *, unsigned short, unsigned short);

	spinlock_t lock;                /* SMP protection */
	void *tmspriv;
} NET_LOCAL;

#endif	/* __KERNEL__ */
#endif	/* __LINUX_TMS380TR_H */