|  | #ifndef _EPIC100_H_ | 
|  | # define _EPIC100_H_ | 
|  |  | 
|  | #ifndef PCI_VENDOR_SMC | 
|  | # define PCI_VENDOR_SMC		0x10B8 | 
|  | #endif | 
|  |  | 
|  | #ifndef PCI_DEVICE_SMC_EPIC100 | 
|  | # define PCI_DEVICE_SMC_EPIC100	0x0005 | 
|  | #endif | 
|  |  | 
|  | #define PCI_DEVICE_ID_NONE	0xFFFF | 
|  |  | 
|  | /* Offsets to registers (using SMC names). */ | 
|  | enum epic100_registers { | 
|  | COMMAND= 0,		/* Control Register */ | 
|  | INTSTAT= 4,		/* Interrupt Status */ | 
|  | INTMASK= 8,		/* Interrupt Mask */ | 
|  | GENCTL = 0x0C, 	/* General Control */ | 
|  | NVCTL  = 0x10,	/* Non Volatile Control */ | 
|  | EECTL  = 0x14,	/* EEPROM Control  */ | 
|  | TEST   = 0x1C, 	/* Test register: marked as reserved (see in source code) */ | 
|  | CRCCNT = 0x20,	/* CRC Error Counter */ | 
|  | ALICNT = 0x24, 	/* Frame Alignment Error Counter */ | 
|  | MPCNT  = 0x28,	/* Missed Packet Counter */ | 
|  | MMCTL  = 0x30,	/* MII Management Interface Control */ | 
|  | MMDATA = 0x34, 	/* MII Management Interface Data */ | 
|  | MIICFG = 0x38,	/* MII Configuration */ | 
|  | IPG    = 0x3C,	/* InterPacket Gap */ | 
|  | LAN0   = 0x40,	/* MAC address. (0x40-0x48) */ | 
|  | IDCHK  = 0x4C,	/* BoardID/ Checksum */ | 
|  | MC0    = 0x50,	/* Multicast filter table. (0x50-0x5c) */ | 
|  | RXCON  = 0x60, 	/* Receive Control */ | 
|  | TXCON  = 0x70, 	/* Transmit Control */ | 
|  | TXSTAT = 0x74,	/* Transmit Status */ | 
|  | PRCDAR = 0x84, 	/* PCI Receive Current Descriptor Address */ | 
|  | PRSTAT = 0xA4,	/* PCI Receive DMA Status */ | 
|  | PRCPTHR= 0xB0,	/* PCI Receive Copy Threshold */ | 
|  | PTCDAR = 0xC4,	/* PCI Transmit Current Descriptor Address */ | 
|  | ETHTHR = 0xDC	/* Early Transmit Threshold */ | 
|  | }; | 
|  |  | 
|  | /* Command register (CR_) bits */ | 
|  | #define CR_STOP_RX		(0x00000001) | 
|  | #define CR_START_RX		(0x00000002) | 
|  | #define CR_QUEUE_TX		(0x00000004) | 
|  | #define CR_QUEUE_RX		(0x00000008) | 
|  | #define CR_NEXTFRAME		(0x00000010) | 
|  | #define CR_STOP_TX_DMA		(0x00000020) | 
|  | #define CR_STOP_RX_DMA		(0x00000040) | 
|  | #define CR_TX_UGO		(0x00000080) | 
|  |  | 
|  | /* Interrupt register bits. NI means No Interrupt generated */ | 
|  |  | 
|  | #define	INTR_RX_THR_STA		(0x00400000) 	/* rx copy threshold status NI */ | 
|  | #define	INTR_RX_BUFF_EMPTY	(0x00200000)	/* rx buffers empty. NI */ | 
|  | #define	INTR_TX_IN_PROG		(0x00100000)	/* tx copy in progess. NI */ | 
|  | #define	INTR_RX_IN_PROG		(0x00080000)	/* rx copy in progress. NI */ | 
|  | #define	INTR_TXIDLE		(0x00040000)	/* tx idle. NI */ | 
|  | #define INTR_RXIDLE		(0x00020000)	/* rx idle. NI */ | 
|  | #define INTR_INTR_ACTIVE	(0x00010000)	/* Interrupt active. NI */ | 
|  | #define INTR_RX_STATUS_OK	(0x00008000)	/* rx status valid. NI */ | 
|  | #define INTR_PCI_TGT_ABT	(0x00004000)	/* PCI Target abort */ | 
|  | #define INTR_PCI_MASTER_ABT	(0x00002000)	/* PCI Master abort */ | 
|  | #define INTR_PCI_PARITY_ERR	(0x00001000)	/* PCI adress parity error */ | 
|  | #define INTR_PCI_DATA_ERR	(0x00000800)	/* PCI data parity error */ | 
|  | #define INTR_RX_THR_CROSSED	(0x00000400)	/* rx copy threshold crossed */ | 
|  | #define INTR_CNTFULL		(0x00000200)	/* Counter overflow */ | 
|  | #define INTR_TXUNDERRUN		(0x00000100)	/* tx underrun. */ | 
|  | #define INTR_TXEMPTY		(0x00000080)	/* tx queue empty */ | 
|  | #define INTR_TX_CH_COMPLETE	(0x00000040)	/* tx chain complete */ | 
|  | #define INTR_TXDONE		(0x00000020)	/* tx complete (w or w/o err) */ | 
|  | #define INTR_RXERROR		(0x00000010)	/* rx error (CRC) */ | 
|  | #define INTR_RXOVERFLOW		(0x00000008)	/* rx buffer overflow */ | 
|  | #define INTR_RX_QUEUE_EMPTY	(0x00000004)	/* rx queue empty. */ | 
|  | #define INTR_RXHEADER		(0x00000002)	/* header copy complete */ | 
|  | #define INTR_RXDONE		(0x00000001)	/* Receive copy complete */ | 
|  |  | 
|  | #define INTR_CLEARINTR		(0x00007FFF) | 
|  | #define INTR_VALIDBITS		(0x007FFFFF) | 
|  | #define INTR_DISABLE		(0x00000000) | 
|  | #define INTR_CLEARERRS		(0x00007F18) | 
|  | #define INTR_ABNINTR		(INTR_CNTFULL | INTR_TXUNDERRUN | INTR_RXOVERFLOW) | 
|  |  | 
|  | /* General Control (GC_) bits */ | 
|  |  | 
|  | #define GC_SOFT_RESET		(0x00000001) | 
|  | #define GC_INTR_ENABLE		(0x00000002) | 
|  | #define GC_SOFT_INTR		(0x00000004) | 
|  | #define GC_POWER_DOWN		(0x00000008) | 
|  | #define GC_ONE_COPY		(0x00000010) | 
|  | #define GC_BIG_ENDIAN		(0x00000020) | 
|  | #define GC_RX_PREEMPT_TX	(0x00000040) | 
|  | #define GC_TX_PREEMPT_RX	(0x00000080) | 
|  |  | 
|  | /* | 
|  | * Receive FIFO Threshold values | 
|  | * Control the level at which the  PCI burst state machine | 
|  | * begins to empty the receive FIFO. Possible values: 0-3 | 
|  | * | 
|  | * 0 => 32, 1 => 64, 2 => 96 3 => 128 bytes. | 
|  | */ | 
|  | #define GC_RX_FIFO_THR_32	(0x00000000) | 
|  | #define GC_RX_FIFO_THR_64	(0x00000100) | 
|  | #define GC_RX_FIFO_THR_96	(0x00000200) | 
|  | #define GC_RX_FIFO_THR_128	(0x00000300) | 
|  |  | 
|  | /* Memory Read Control (MRC_) values */ | 
|  | #define GC_MRC_MEM_READ		(0x00000000) | 
|  | #define GC_MRC_READ_MULT	(0x00000400) | 
|  | #define GC_MRC_READ_LINE	(0x00000800) | 
|  |  | 
|  | #define GC_SOFTBIT0		(0x00001000) | 
|  | #define GC_SOFTBIT1		(0x00002000) | 
|  | #define GC_RESET_PHY		(0x00004000) | 
|  |  | 
|  | /* Definitions of the Receive Control (RC_) register bits */ | 
|  |  | 
|  | #define RC_SAVE_ERRORED_PKT	(0x00000001) | 
|  | #define RC_SAVE_RUNT_FRAMES	(0x00000002) | 
|  | #define RC_RCV_BROADCAST	(0x00000004) | 
|  | #define RC_RCV_MULTICAST	(0x00000008) | 
|  | #define RC_RCV_INVERSE_PKT	(0x00000010) | 
|  | #define RC_PROMISCUOUS_MODE	(0x00000020) | 
|  | #define RC_MONITOR_MODE		(0x00000040) | 
|  | #define RC_EARLY_RCV_ENABLE	(0x00000080) | 
|  |  | 
|  | /* description of the rx descriptors control bits */ | 
|  | #define RD_FRAGLIST		(0x0001)	/* Desc points to a fragment list */ | 
|  | #define RD_LLFORM		(0x0002)	/* Frag list format */ | 
|  | #define RD_HDR_CPY		(0x0004)	/* Desc used for header copy */ | 
|  |  | 
|  | /* Definition of the Transmit CONTROL (TC) register bits */ | 
|  |  | 
|  | #define TC_EARLY_TX_ENABLE	(0x00000001) | 
|  |  | 
|  | /* Loopback Mode (LM_) Select valuesbits */ | 
|  | #define TC_LM_NORMAL		(0x00000000) | 
|  | #define TC_LM_INTERNAL		(0x00000002) | 
|  | #define TC_LM_EXTERNAL		(0x00000004) | 
|  | #define TC_LM_FULL_DPX		(0x00000006) | 
|  |  | 
|  | #define TX_SLOT_TIME		(0x00000078) | 
|  |  | 
|  | /* Bytes transferred to chip before transmission starts. */ | 
|  | #define TX_FIFO_THRESH 		128	/* Rounded down to 4 byte units. */ | 
|  |  | 
|  | /* description of rx descriptors status bits */ | 
|  | #define RRING_PKT_INTACT	(0x0001) | 
|  | #define RRING_ALIGN_ERR		(0x0002) | 
|  | #define RRING_CRC_ERR		(0x0004) | 
|  | #define RRING_MISSED_PKT	(0x0008) | 
|  | #define RRING_MULTICAST		(0x0010) | 
|  | #define RRING_BROADCAST		(0x0020) | 
|  | #define RRING_RECEIVER_DISABLE	(0x0040) | 
|  | #define RRING_STATUS_VALID	(0x1000) | 
|  | #define RRING_FRAGLIST_ERR	(0x2000) | 
|  | #define RRING_HDR_COPIED	(0x4000) | 
|  | #define RRING_OWN		(0x8000) | 
|  |  | 
|  | /* error summary */ | 
|  | #define RRING_ERROR		(RRING_ALIGN_ERR|RRING_CRC_ERR) | 
|  |  | 
|  | /* description of tx descriptors status bits */ | 
|  | #define TRING_PKT_INTACT	(0x0001)	/* pkt transmitted. */ | 
|  | #define TRING_PKT_NONDEFER	(0x0002)	/* pkt xmitted w/o deferring */ | 
|  | #define TRING_COLL		(0x0004)	/* pkt xmitted w collisions */ | 
|  | #define TRING_CARR		(0x0008)	/* carrier sense lost */ | 
|  | #define TRING_UNDERRUN		(0x0010)	/* DMA underrun */ | 
|  | #define TRING_HB_COLL		(0x0020)	/* Collision detect Heartbeat */ | 
|  | #define TRING_WIN_COLL		(0x0040)	/* out of window collision */ | 
|  | #define TRING_DEFERRED		(0x0080)	/* Deferring */ | 
|  | #define TRING_COLL_COUNT	(0x0F00)	/* collision counter (mask) */ | 
|  | #define TRING_COLL_EXCESS	(0x1000)	/* tx aborted: excessive colls */ | 
|  | #define TRING_OWN		(0x8000)	/* desc ownership bit */ | 
|  |  | 
|  | /* error summary */ | 
|  | #define TRING_ABORT	(TRING_COLL_EXCESS|TRING_WIN_COLL|TRING_UNDERRUN) | 
|  | #define TRING_ERROR	(TRING_DEFERRED|TRING_WIN_COLL|TRING_UNDERRUN|TRING_CARR/*|TRING_COLL*/ ) | 
|  |  | 
|  | /* description of the tx descriptors control bits */ | 
|  | #define TD_FRAGLIST		(0x0001)	/* Desc points to a fragment list */ | 
|  | #define TD_LLFORM		(0x0002)	/* Frag list format */ | 
|  | #define TD_IAF			(0x0004)	/* Generate Interrupt after tx */ | 
|  | #define TD_NOCRC		(0x0008)	/* No CRC generated */ | 
|  | #define TD_LASTDESC		(0x0010)	/* Last desc for this frame */ | 
|  |  | 
|  | #endif /* _EPIC100_H_ */ |