ibmlana.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:12k
- #ifndef _IBM_LANA_INCLUDE_
- #define _IBM_LANA_INCLUDE_
- #ifdef _IBM_LANA_DRIVER_
- /* version-dependent functions/structures */
- #if LINUX_VERSION_CODE >= 0x020318
- #define IBMLANA_READB(addr) isa_readb(addr)
- #define IBMLANA_TOIO(dest, src, len) isa_memcpy_toio(dest, src, len)
- #define IBMLANA_FROMIO(dest, src, len) isa_memcpy_fromio(dest, src, len)
- #define IBMLANA_SETIO(dest, val, len) isa_memset_io(dest, val, len)
- #define IBMLANA_NETDEV net_device
- #else
- #define IBMLANA_READB(addr) readb(addr)
- #define IBMLANA_TOIO(dest, src, len) memcpy_toio(dest, src, len)
- #define IBMLANA_FROMIO(dest, src, len) memcpy_fromio(dest, src, len)
- #define IBMLANA_SETIO(dest, val, len) memset_io(dest, val, len)
- #define IBMLANA_NETDEV device
- #endif
- /* maximum packet size */
- #define PKTSIZE 1524
- /* number of transmit buffers */
- #define TXBUFCNT 4
- /* Adapter ID's */
- #define IBM_LANA_ID 0xffe0
- /* media enumeration - defined in a way that it fits onto the LAN/A's
- POS registers... */
- typedef enum { Media_10BaseT, Media_10Base5,
- Media_Unknown, Media_10Base2, Media_Count
- } ibmlana_medium;
- /* private structure */
- typedef struct {
- unsigned int slot; /* MCA-Slot-# */
- struct net_device_stats stat; /* packet statistics */
- int realirq; /* memorizes actual IRQ, even when
- currently not allocated */
- ibmlana_medium medium; /* physical cannector */
- u32 tdastart, txbufstart, /* addresses */
- rrastart, rxbufstart, rdastart, rxbufcnt, txusedcnt;
- int nextrxdescr, /* next rx descriptor to be used */
- lastrxdescr, /* last free rx descriptor */
- nexttxdescr, /* last tx descriptor to be used */
- currtxdescr, /* tx descriptor currently tx'ed */
- txused[TXBUFCNT]; /* busy flags */
- } ibmlana_priv;
- /* this card uses quite a lot of I/O ports...luckily the MCA bus decodes
- a full 64K I/O range... */
- #define IBM_LANA_IORANGE 0xa0
- /* Command Register: */
- #define SONIC_CMDREG 0x00
- #define CMDREG_HTX 0x0001 /* halt transmission */
- #define CMDREG_TXP 0x0002 /* start transmission */
- #define CMDREG_RXDIS 0x0004 /* disable receiver */
- #define CMDREG_RXEN 0x0008 /* enable receiver */
- #define CMDREG_STP 0x0010 /* stop timer */
- #define CMDREG_ST 0x0020 /* start timer */
- #define CMDREG_RST 0x0080 /* software reset */
- #define CMDREG_RRRA 0x0100 /* force SONIC to read first RRA */
- #define CMDREG_LCAM 0x0200 /* force SONIC to read CAM descrs */
- /* Data Configuration Register */
- #define SONIC_DCREG 0x02
- #define DCREG_EXBUS 0x8000 /* Extended Bus Mode */
- #define DCREG_LBR 0x2000 /* Latched Bus Retry */
- #define DCREG_PO1 0x1000 /* Programmable Outputs */
- #define DCREG_PO0 0x0800
- #define DCREG_SBUS 0x0400 /* Synchronous Bus Mode */
- #define DCREG_USR1 0x0200 /* User Definable Pins */
- #define DCREG_USR0 0x0100
- #define DCREG_WC0 0x0000 /* 0..3 Wait States */
- #define DCREG_WC1 0x0040
- #define DCREG_WC2 0x0080
- #define DCREG_WC3 0x00c0
- #define DCREG_DW16 0x0000 /* 16 bit Bus Mode */
- #define DCREG_DW32 0x0020 /* 32 bit Bus Mode */
- #define DCREG_BMS 0x0010 /* Block Mode Select */
- #define DCREG_RFT4 0x0000 /* 4/8/16/24 bytes RX Threshold */
- #define DCREG_RFT8 0x0004
- #define DCREG_RFT16 0x0008
- #define DCREG_RFT24 0x000c
- #define DCREG_TFT8 0x0000 /* 8/16/24/28 bytes TX Threshold */
- #define DCREG_TFT16 0x0001
- #define DCREG_TFT24 0x0002
- #define DCREG_TFT28 0x0003
- /* Receive Control Register */
- #define SONIC_RCREG 0x04
- #define RCREG_ERR 0x8000 /* accept damaged and collided pkts */
- #define RCREG_RNT 0x4000 /* accept packets that are < 64 */
- #define RCREG_BRD 0x2000 /* accept broadcasts */
- #define RCREG_PRO 0x1000 /* promiscous mode */
- #define RCREG_AMC 0x0800 /* accept all multicasts */
- #define RCREG_LB_NONE 0x0000 /* no loopback */
- #define RCREG_LB_MAC 0x0200 /* MAC loopback */
- #define RCREG_LB_ENDEC 0x0400 /* ENDEC loopback */
- #define RCREG_LB_XVR 0x0600 /* Transceiver loopback */
- #define RCREG_MC 0x0100 /* Multicast received */
- #define RCREG_BC 0x0080 /* Broadcast received */
- #define RCREG_LPKT 0x0040 /* last packet in RBA */
- #define RCREG_CRS 0x0020 /* carrier sense present */
- #define RCREG_COL 0x0010 /* recv'd packet with collision */
- #define RCREG_CRCR 0x0008 /* recv'd packet with CRC error */
- #define RCREG_FAER 0x0004 /* recv'd packet with inv. framing */
- #define RCREG_LBK 0x0002 /* recv'd loopback packet */
- #define RCREG_PRX 0x0001 /* recv'd packet is OK */
- /* Transmit Control Register */
- #define SONIC_TCREG 0x06
- #define TCREG_PINT 0x8000 /* generate interrupt after TDA read */
- #define TCREG_POWC 0x4000 /* timer start out of window detect */
- #define TCREG_CRCI 0x2000 /* inhibit CRC generation */
- #define TCREG_EXDIS 0x1000 /* disable excessive deferral timer */
- #define TCREG_EXD 0x0400 /* excessive deferral occurred */
- #define TCREG_DEF 0x0200 /* single deferral occurred */
- #define TCREG_NCRS 0x0100 /* no carrier detected */
- #define TCREG_CRSL 0x0080 /* carrier lost */
- #define TCREG_EXC 0x0040 /* excessive collisions occurred */
- #define TCREG_OWC 0x0020 /* out of window collision occurred */
- #define TCREG_PMB 0x0008 /* packet monitored bad */
- #define TCREG_FU 0x0004 /* FIFO underrun */
- #define TCREG_BCM 0x0002 /* byte count mismatch of fragments */
- #define TCREG_PTX 0x0001 /* packet transmitted OK */
- /* Interrupt Mask Register */
- #define SONIC_IMREG 0x08
- #define IMREG_BREN 0x4000 /* interrupt when bus retry occurred */
- #define IMREG_HBLEN 0x2000 /* interrupt when heartbeat lost */
- #define IMREG_LCDEN 0x1000 /* interrupt when CAM loaded */
- #define IMREG_PINTEN 0x0800 /* interrupt when PINT in TDA set */
- #define IMREG_PRXEN 0x0400 /* interrupt when packet received */
- #define IMREG_PTXEN 0x0200 /* interrupt when packet was sent */
- #define IMREG_TXEREN 0x0100 /* interrupt when send failed */
- #define IMREG_TCEN 0x0080 /* interrupt when timer completed */
- #define IMREG_RDEEN 0x0040 /* interrupt when RDA exhausted */
- #define IMREG_RBEEN 0x0020 /* interrupt when RBA exhausted */
- #define IMREG_RBAEEN 0x0010 /* interrupt when RBA too short */
- #define IMREG_CRCEN 0x0008 /* interrupt when CRC counter rolls */
- #define IMREG_FAEEN 0x0004 /* interrupt when FAE counter rolls */
- #define IMREG_MPEN 0x0002 /* interrupt when MP counter rolls */
- #define IMREG_RFOEN 0x0001 /* interrupt when Rx FIFO overflows */
- /* Interrupt Status Register */
- #define SONIC_ISREG 0x0a
- #define ISREG_BR 0x4000 /* bus retry occurred */
- #define ISREG_HBL 0x2000 /* heartbeat lost */
- #define ISREG_LCD 0x1000 /* CAM loaded */
- #define ISREG_PINT 0x0800 /* PINT in TDA set */
- #define ISREG_PKTRX 0x0400 /* packet received */
- #define ISREG_TXDN 0x0200 /* packet was sent */
- #define ISREG_TXER 0x0100 /* send failed */
- #define ISREG_TC 0x0080 /* timer completed */
- #define ISREG_RDE 0x0040 /* RDA exhausted */
- #define ISREG_RBE 0x0020 /* RBA exhausted */
- #define ISREG_RBAE 0x0010 /* RBA too short for received frame */
- #define ISREG_CRC 0x0008 /* CRC counter rolls over */
- #define ISREG_FAE 0x0004 /* FAE counter rolls over */
- #define ISREG_MP 0x0002 /* MP counter rolls over */
- #define ISREG_RFO 0x0001 /* Rx FIFO overflows */
- #define SONIC_UTDA 0x0c /* current transmit descr address */
- #define SONIC_CTDA 0x0e
- #define SONIC_URDA 0x1a /* current receive descr address */
- #define SONIC_CRDA 0x1c
- #define SONIC_CRBA0 0x1e /* current receive buffer address */
- #define SONIC_CRBA1 0x20
- #define SONIC_RBWC0 0x22 /* word count in receive buffer */
- #define SONIC_RBWC1 0x24
- #define SONIC_EOBC 0x26 /* minimum space to be free in RBA */
- #define SONIC_URRA 0x28 /* upper address of CDA & Recv Area */
- #define SONIC_RSA 0x2a /* start of receive resource area */
- #define SONIC_REA 0x2c /* end of receive resource area */
- #define SONIC_RRP 0x2e /* resource read pointer */
- #define SONIC_RWP 0x30 /* resource write pointer */
- #define SONIC_CAMEPTR 0x42 /* CAM entry pointer */
- #define SONIC_CAMADDR2 0x44 /* CAM address ports */
- #define SONIC_CAMADDR1 0x46
- #define SONIC_CAMADDR0 0x48
- #define SONIC_CAMPTR 0x4c /* lower address of CDA */
- #define SONIC_CAMCNT 0x4e /* # of CAM descriptors to load */
- /* Data Configuration Register 2 */
- #define SONIC_DCREG2 0x7e
- #define DCREG2_EXPO3 0x8000 /* extended programmable outputs */
- #define DCREG2_EXPO2 0x4000
- #define DCREG2_EXPO1 0x2000
- #define DCREG2_EXPO0 0x1000
- #define DCREG2_HD 0x0800 /* heartbeat disable */
- #define DCREG2_JD 0x0200 /* jabber timer disable */
- #define DCREG2_AUTO 0x0100 /* enable AUI/TP auto selection */
- #define DCREG2_XWRAP 0x0040 /* TP transceiver loopback */
- #define DCREG2_PH 0x0010 /* HOLD request timing */
- #define DCREG2_PCM 0x0004 /* packet compress when matched */
- #define DCREG2_PCNM 0x0002 /* packet compress when not matched */
- #define DCREG2_RJCM 0x0001 /* inverse packet match via CAM */
- /* Board Control Register: Enable RAM, Interrupts... */
- #define BCMREG 0x80
- #define BCMREG_RAMEN 0x80 /* switch over to RAM */
- #define BCMREG_IPEND 0x40 /* interrupt pending ? */
- #define BCMREG_RESET 0x08 /* reset board */
- #define BCMREG_16BIT 0x04 /* adapter in 16-bit slot */
- #define BCMREG_RAMWIN 0x02 /* enable RAM window */
- #define BCMREG_IEN 0x01 /* interrupt enable */
- /* MAC Address PROM */
- #define MACADDRPROM 0x92
- /* structure of a CAM entry */
- typedef struct {
- u32 index; /* pointer into CAM area */
- u32 addr0; /* address part (bits 0..15 used) */
- u32 addr1;
- u32 addr2;
- } camentry_t;
- /* structure of a receive resource */
- typedef struct {
- u32 startlo; /* start address (bits 0..15 used) */
- u32 starthi;
- u32 cntlo; /* size in 16-bit quantities */
- u32 cnthi;
- } rra_t;
- /* structure of a receive descriptor */
- typedef struct {
- u32 status; /* packet status */
- u32 length; /* length in bytes */
- u32 startlo; /* start address */
- u32 starthi;
- u32 seqno; /* frame sequence */
- u32 link; /* pointer to next descriptor */
- /* bit 0 = EOL */
- u32 inuse; /* !=0 --> free for SONIC to write */
- } rda_t;
- /* structure of a transmit descriptor */
- typedef struct {
- u32 status; /* transmit status */
- u32 config; /* value for TCR */
- u32 length; /* total length */
- u32 fragcount; /* number of fragments */
- u32 startlo; /* start address of fragment */
- u32 starthi;
- u32 fraglength; /* length of this fragment */
- /* more address/length triplets may */
- /* follow here */
- u32 link; /* pointer to next descriptor */
- /* bit 0 = EOL */
- } tda_t;
- #endif /* _IBM_LANA_DRIVER_ */
- extern int ibmlana_probe(struct IBMLANA_NETDEV *);
- #endif /* _IBM_LANA_INCLUDE_ */