| #ifndef _SK_MCA_INCLUDE_ |
| #define _SK_MCA_INCLUDE_ |
| |
| #ifdef _SK_MCA_DRIVER_ |
| |
| /* version-dependent functions/structures */ |
| |
| #if LINUX_VERSION_CODE >= 0x020318 |
| #define SKMCA_READB(addr) isa_readb(addr) |
| #define SKMCA_READW(addr) isa_readw(addr) |
| #define SKMCA_WRITEB(data, addr) isa_writeb(data, addr) |
| #define SKMCA_WRITEW(data, addr) isa_writew(data, addr) |
| #define SKMCA_TOIO(dest, src, len) isa_memcpy_toio(dest, src, len) |
| #define SKMCA_FROMIO(dest, src, len) isa_memcpy_fromio(dest, src, len) |
| #define SKMCA_SETIO(dest, val, len) isa_memset_io(dest, val, len) |
| #define SKMCA_NETDEV net_device |
| #else |
| #define SKMCA_READB(addr) readb(addr) |
| #define SKMCA_READW(addr) readw(addr) |
| #define SKMCA_WRITEB(data, addr) writeb(data, addr) |
| #define SKMCA_WRITEW(data, addr) writew(data, addr) |
| #define SKMCA_TOIO(dest, src, len) memcpy_toio(dest, src, len) |
| #define SKMCA_FROMIO(dest, src, len) memcpy_fromio(dest, src, len) |
| #define SKMCA_SETIO(dest, val, len) memset_io(dest, val, len) |
| #define SKMCA_NETDEV device |
| #endif |
| |
| /* Adapter ID's */ |
| #define SKNET_MCA_ID 0x6afd |
| #define SKNET_JUNIOR_MCA_ID 0x6be9 |
| |
| /* media enumeration - defined in a way that it fits onto the MC2+'s |
| POS registers... */ |
| |
| typedef enum { Media_10Base2, Media_10BaseT, |
| Media_10Base5, Media_Unknown, Media_Count |
| } skmca_medium; |
| |
| /* private structure */ |
| typedef struct { |
| unsigned int slot; /* MCA-Slot-# */ |
| unsigned int macbase; /* base address of MAC address PROM */ |
| unsigned int ioregaddr; /* address of I/O-register (Lo) */ |
| unsigned int ctrladdr; /* address of control/stat register */ |
| unsigned int cmdaddr; /* address of I/O-command register */ |
| int nextrx; /* index of next RX descriptor to |
| be read */ |
| int nexttxput; /* index of next free TX descriptor */ |
| int nexttxdone; /* index of next TX descriptor to |
| be finished */ |
| int txbusy; /* # of busy TX descriptors */ |
| struct net_device_stats stat; /* packet statistics */ |
| int realirq; /* memorizes actual IRQ, even when |
| currently not allocated */ |
| skmca_medium medium; /* physical cannector */ |
| } skmca_priv; |
| |
| /* card registers: control/status register bits */ |
| |
| #define CTRL_ADR_DATA 0 /* Bit 0 = 0 ->access data register */ |
| #define CTRL_ADR_RAP 1 /* Bit 0 = 1 ->access RAP register */ |
| #define CTRL_RW_WRITE 0 /* Bit 1 = 0 ->write register */ |
| #define CTRL_RW_READ 2 /* Bit 1 = 1 ->read register */ |
| #define CTRL_RESET_ON 0 /* Bit 3 = 0 ->reset board */ |
| #define CTRL_RESET_OFF 8 /* Bit 3 = 1 ->no reset of board */ |
| |
| #define STAT_ADR_DATA 0 /* Bit 0 of ctrl register read back */ |
| #define STAT_ADR_RAP 1 |
| #define STAT_RW_WRITE 0 /* Bit 1 of ctrl register read back */ |
| #define STAT_RW_READ 2 |
| #define STAT_RESET_ON 0 /* Bit 3 of ctrl register read back */ |
| #define STAT_RESET_OFF 8 |
| #define STAT_IRQ_ACT 0 /* interrupt pending */ |
| #define STAT_IRQ_NOACT 16 /* no interrupt pending */ |
| #define STAT_IO_NOBUSY 0 /* no transfer busy */ |
| #define STAT_IO_BUSY 32 /* transfer busy */ |
| |
| /* I/O command register bits */ |
| |
| #define IOCMD_GO 128 /* Bit 7 = 1 -> start register xfer */ |
| |
| /* LANCE registers */ |
| |
| #define LANCE_CSR0 0 /* Status/Control */ |
| |
| #define CSR0_ERR 0x8000 /* general error flag */ |
| #define CSR0_BABL 0x4000 /* transmitter timeout */ |
| #define CSR0_CERR 0x2000 /* collision error */ |
| #define CSR0_MISS 0x1000 /* lost Rx block */ |
| #define CSR0_MERR 0x0800 /* memory access error */ |
| #define CSR0_RINT 0x0400 /* receiver interrupt */ |
| #define CSR0_TINT 0x0200 /* transmitter interrupt */ |
| #define CSR0_IDON 0x0100 /* initialization done */ |
| #define CSR0_INTR 0x0080 /* general interrupt flag */ |
| #define CSR0_INEA 0x0040 /* interrupt enable */ |
| #define CSR0_RXON 0x0020 /* receiver enabled */ |
| #define CSR0_TXON 0x0010 /* transmitter enabled */ |
| #define CSR0_TDMD 0x0008 /* force transmission now */ |
| #define CSR0_STOP 0x0004 /* stop LANCE */ |
| #define CSR0_STRT 0x0002 /* start LANCE */ |
| #define CSR0_INIT 0x0001 /* read initialization block */ |
| |
| #define LANCE_CSR1 1 /* addr bit 0..15 of initialization */ |
| #define LANCE_CSR2 2 /* 16..23 block */ |
| |
| #define LANCE_CSR3 3 /* Bus control */ |
| #define CSR3_BCON_HOLD 0 /* Bit 0 = 0 -> BM1,BM0,HOLD */ |
| #define CSR3_BCON_BUSRQ 1 /* Bit 0 = 1 -> BUSAK0,BYTE,BUSRQ */ |
| #define CSR3_ALE_HIGH 0 /* Bit 1 = 0 -> ALE asserted high */ |
| #define CSR3_ALE_LOW 2 /* Bit 1 = 1 -> ALE asserted low */ |
| #define CSR3_BSWAP_OFF 0 /* Bit 2 = 0 -> no byte swap */ |
| #define CSR3_BSWAP_ON 0 /* Bit 2 = 1 -> byte swap */ |
| |
| /* LANCE structures */ |
| |
| typedef struct { /* LANCE initialization block */ |
| u16 Mode; /* mode flags */ |
| u8 PAdr[6]; /* MAC address */ |
| u8 LAdrF[8]; /* Multicast filter */ |
| u32 RdrP; /* Receive descriptor */ |
| u32 TdrP; /* Transmit descriptor */ |
| } LANCE_InitBlock; |
| |
| /* Mode flags init block */ |
| |
| #define LANCE_INIT_PROM 0x8000 /* enable promiscous mode */ |
| #define LANCE_INIT_INTL 0x0040 /* internal loopback */ |
| #define LANCE_INIT_DRTY 0x0020 /* disable retry */ |
| #define LANCE_INIT_COLL 0x0010 /* force collision */ |
| #define LANCE_INIT_DTCR 0x0008 /* disable transmit CRC */ |
| #define LANCE_INIT_LOOP 0x0004 /* loopback */ |
| #define LANCE_INIT_DTX 0x0002 /* disable transmitter */ |
| #define LANCE_INIT_DRX 0x0001 /* disable receiver */ |
| |
| typedef struct { /* LANCE Tx descriptor */ |
| u16 LowAddr; /* bit 0..15 of address */ |
| u16 Flags; /* bit 16..23 of address + Flags */ |
| u16 Len; /* 2s complement of packet length */ |
| u16 Status; /* Result of transmission */ |
| } LANCE_TxDescr; |
| |
| #define TXDSCR_FLAGS_OWN 0x8000 /* LANCE owns descriptor */ |
| #define TXDSCR_FLAGS_ERR 0x4000 /* summary error flag */ |
| #define TXDSCR_FLAGS_MORE 0x1000 /* more than one retry needed? */ |
| #define TXDSCR_FLAGS_ONE 0x0800 /* one retry? */ |
| #define TXDSCR_FLAGS_DEF 0x0400 /* transmission deferred? */ |
| #define TXDSCR_FLAGS_STP 0x0200 /* first packet in chain? */ |
| #define TXDSCR_FLAGS_ENP 0x0100 /* last packet in chain? */ |
| |
| #define TXDSCR_STATUS_BUFF 0x8000 /* buffer error? */ |
| #define TXDSCR_STATUS_UFLO 0x4000 /* silo underflow during transmit? */ |
| #define TXDSCR_STATUS_LCOL 0x1000 /* late collision? */ |
| #define TXDSCR_STATUS_LCAR 0x0800 /* loss of carrier? */ |
| #define TXDSCR_STATUS_RTRY 0x0400 /* retry error? */ |
| |
| typedef struct { /* LANCE Rx descriptor */ |
| u16 LowAddr; /* bit 0..15 of address */ |
| u16 Flags; /* bit 16..23 of address + Flags */ |
| u16 MaxLen; /* 2s complement of buffer length */ |
| u16 Len; /* packet length */ |
| } LANCE_RxDescr; |
| |
| #define RXDSCR_FLAGS_OWN 0x8000 /* LANCE owns descriptor */ |
| #define RXDSCR_FLAGS_ERR 0x4000 /* summary error flag */ |
| #define RXDSCR_FLAGS_FRAM 0x2000 /* framing error flag */ |
| #define RXDSCR_FLAGS_OFLO 0x1000 /* FIFO overflow? */ |
| #define RXDSCR_FLAGS_CRC 0x0800 /* CRC error? */ |
| #define RXDSCR_FLAGS_BUFF 0x0400 /* buffer error? */ |
| #define RXDSCR_FLAGS_STP 0x0200 /* first packet in chain? */ |
| #define RXDCSR_FLAGS_ENP 0x0100 /* last packet in chain? */ |
| |
| /* RAM layout */ |
| |
| #define TXCOUNT 4 /* length of TX descriptor queue */ |
| #define LTXCOUNT 2 /* log2 of it */ |
| #define RXCOUNT 4 /* length of RX descriptor queue */ |
| #define LRXCOUNT 2 /* log2 of it */ |
| |
| #define RAM_INITBASE 0 /* LANCE init block */ |
| #define RAM_TXBASE 24 /* Start of TX descriptor queue */ |
| #define RAM_RXBASE \ |
| (RAM_TXBASE + (TXCOUNT * 8)) /* Start of RX descriptor queue */ |
| #define RAM_DATABASE \ |
| (RAM_RXBASE + (RXCOUNT * 8)) /* Start of data area for frames */ |
| #define RAM_BUFSIZE 1580 /* max. frame size - should never be |
| reached */ |
| |
| #endif /* _SK_MCA_DRIVER_ */ |
| |
| extern int skmca_probe(struct SKMCA_NETDEV *); |
| |
| |
| #endif /* _SK_MCA_INCLUDE_ */ |
