1 /* 2 * Racal-Interlan ni5010 Ethernet definitions 3 * 4 * This is an extension to the Linux operating system, and is covered by the 5 * same GNU General Public License that covers that work. 6 * 7 * copyrights (c) 1996 by Jan-Pascal van Best (jvbest@wi.leidenuniv.nl) 8 * 9 * I have done a look in the following sources: 10 * crynwr-packet-driver by Russ Nelson 11 */ 12 13 #define NI5010_BUFSIZE 2048 /* number of bytes in a buffer */ 14 15 #define NI5010_MAGICVAL0 0x00 /* magic-values for ni5010 card */ 16 #define NI5010_MAGICVAL1 0x55 17 #define NI5010_MAGICVAL2 0xAA 18 19 #define SA_ADDR0 0x02 20 #define SA_ADDR1 0x07 21 #define SA_ADDR2 0x01 22 23 /* The number of low I/O ports used by the ni5010 ethercard. */ 24 #define NI5010_IO_EXTENT 32 25 26 #define PRINTK(x) if (NI5010_DEBUG) printk x 27 #define PRINTK2(x) if (NI5010_DEBUG>=2) printk x 28 #define PRINTK3(x) if (NI5010_DEBUG>=3) printk x 29 30 /* The various IE command registers */ 31 #define EDLC_XSTAT (ioaddr + 0x00) /* EDLC transmit csr */ 32 #define EDLC_XCLR (ioaddr + 0x00) /* EDLC transmit "Clear IRQ" */ 33 #define EDLC_XMASK (ioaddr + 0x01) /* EDLC transmit "IRQ Masks" */ 34 #define EDLC_RSTAT (ioaddr + 0x02) /* EDLC receive csr */ 35 #define EDLC_RCLR (ioaddr + 0x02) /* EDLC receive "Clear IRQ" */ 36 #define EDLC_RMASK (ioaddr + 0x03) /* EDLC receive "IRQ Masks" */ 37 #define EDLC_XMODE (ioaddr + 0x04) /* EDLC transmit Mode */ 38 #define EDLC_RMODE (ioaddr + 0x05) /* EDLC receive Mode */ 39 #define EDLC_RESET (ioaddr + 0x06) /* EDLC RESET register */ 40 #define EDLC_TDR1 (ioaddr + 0x07) /* "Time Domain Reflectometry" reg1 */ 41 #define EDLC_ADDR (ioaddr + 0x08) /* EDLC station address, 6 bytes */ 42 /* 0x0E doesn't exist for r/w */ 43 #define EDLC_TDR2 (ioaddr + 0x0f) /* "Time Domain Reflectometry" reg2 */ 44 #define IE_GP (ioaddr + 0x10) /* GP pointer (word register) */ 45 /* 0x11 is 2nd byte of GP Pointer */ 46 #define IE_RCNT (ioaddr + 0x10) /* Count of bytes in rcv'd packet */ 47 /* 0x11 is 2nd byte of "Byte Count" */ 48 #define IE_MMODE (ioaddr + 0x12) /* Memory Mode register */ 49 #define IE_DMA_RST (ioaddr + 0x13) /* IE DMA Reset. write only */ 50 #define IE_ISTAT (ioaddr + 0x13) /* IE Interrupt Status. read only */ 51 #define IE_RBUF (ioaddr + 0x14) /* IE Receive Buffer port */ 52 #define IE_XBUF (ioaddr + 0x15) /* IE Transmit Buffer port */ 53 #define IE_SAPROM (ioaddr + 0x16) /* window on station addr prom */ 54 #define IE_RESET (ioaddr + 0x17) /* any write causes Board Reset */ 55 56 /* bits in EDLC_XSTAT, interrupt clear on write, status when read */ 57 #define XS_TPOK 0x80 /* transmit packet successful */ 58 #define XS_CS 0x40 /* carrier sense */ 59 #define XS_RCVD 0x20 /* transmitted packet received */ 60 #define XS_SHORT 0x10 /* transmission media is shorted */ 61 #define XS_UFLW 0x08 /* underflow. iff failed board */ 62 #define XS_COLL 0x04 /* collision occurred */ 63 #define XS_16COLL 0x02 /* 16th collision occurred */ 64 #define XS_PERR 0x01 /* parity error */ 65 66 #define XS_CLR_UFLW 0x08 /* clear underflow */ 67 #define XS_CLR_COLL 0x04 /* clear collision */ 68 #define XS_CLR_16COLL 0x02 /* clear 16th collision */ 69 #define XS_CLR_PERR 0x01 /* clear parity error */ 70 71 /* bits in EDLC_XMASK, mask/enable transmit interrupts. register is r/w */ 72 #define XM_TPOK 0x80 /* =1 to enable Xmt Pkt OK interrupts */ 73 #define XM_RCVD 0x20 /* =1 to enable Xmt Pkt Rcvd ints */ 74 #define XM_UFLW 0x08 /* =1 to enable Xmt Underflow ints */ 75 #define XM_COLL 0x04 /* =1 to enable Xmt Collision ints */ 76 #define XM_COLL16 0x02 /* =1 to enable Xmt 16th Coll ints */ 77 #define XM_PERR 0x01 /* =1 to enable Xmt Parity Error ints */ 78 /* note: always clear this bit */ 79 #define XM_ALL (XM_TPOK | XM_RCVD | XM_UFLW | XM_COLL | XM_COLL16) 80 81 /* bits in EDLC_RSTAT, interrupt clear on write, status when read */ 82 #define RS_PKT_OK 0x80 /* received good packet */ 83 #define RS_RST_PKT 0x10 /* RESET packet received */ 84 #define RS_RUNT 0x08 /* Runt Pkt rcvd. Len < 64 Bytes */ 85 #define RS_ALIGN 0x04 /* Alignment error. not 8 bit aligned */ 86 #define RS_CRC_ERR 0x02 /* Bad CRC on rcvd pkt */ 87 #define RS_OFLW 0x01 /* overflow for rcv FIFO */ 88 #define RS_VALID_BITS ( RS_PKT_OK | RS_RST_PKT | RS_RUNT | RS_ALIGN | RS_CRC_ERR | RS_OFLW ) 89 /* all valid RSTAT bits */ 90 91 #define RS_CLR_PKT_OK 0x80 /* clear rcvd packet interrupt */ 92 #define RS_CLR_RST_PKT 0x10 /* clear RESET packet received */ 93 #define RS_CLR_RUNT 0x08 /* clear Runt Pckt received */ 94 #define RS_CLR_ALIGN 0x04 /* clear Alignment error */ 95 #define RS_CLR_CRC_ERR 0x02 /* clear CRC error */ 96 #define RS_CLR_OFLW 0x01 /* clear rcv FIFO Overflow */ 97 98 /* bits in EDLC_RMASK, mask/enable receive interrupts. register is r/w */ 99 #define RM_PKT_OK 0x80 /* =1 to enable rcvd good packet ints */ 100 #define RM_RST_PKT 0x10 /* =1 to enable RESET packet ints */ 101 #define RM_RUNT 0x08 /* =1 to enable Runt Pkt rcvd ints */ 102 #define RM_ALIGN 0x04 /* =1 to enable Alignment error ints */ 103 #define RM_CRC_ERR 0x02 /* =1 to enable Bad CRC error ints */ 104 #define RM_OFLW 0x01 /* =1 to enable overflow error ints */ 105 106 /* bits in EDLC_RMODE, set Receive Packet mode. register is r/w */ 107 #define RMD_TEST 0x80 /* =1 for Chip testing. normally 0 */ 108 #define RMD_ADD_SIZ 0x10 /* =1 5-byte addr match. normally 0 */ 109 #define RMD_EN_RUNT 0x08 /* =1 enable runt rcv. normally 0 */ 110 #define RMD_EN_RST 0x04 /* =1 to rcv RESET pkt. normally 0 */ 111 112 #define RMD_PROMISC 0x03 /* receive *all* packets. unusual */ 113 #define RMD_MULTICAST 0x02 /* receive multicasts too. unusual */ 114 #define RMD_BROADCAST 0x01 /* receive broadcasts & normal. usual */ 115 #define RMD_NO_PACKETS 0x00 /* don't receive any packets. unusual */ 116 117 /* bits in EDLC_XMODE, set Transmit Packet mode. register is r/w */ 118 #define XMD_COLL_CNT 0xf0 /* coll's since success. read-only */ 119 #define XMD_IG_PAR 0x08 /* =1 to ignore parity. ALWAYS set */ 120 #define XMD_T_MODE 0x04 /* =1 to power xcvr. ALWAYS set this */ 121 #define XMD_LBC 0x02 /* =1 for loopbakc. normally set */ 122 #define XMD_DIS_C 0x01 /* =1 disables contention. normally 0 */ 123 124 /* bits in EDLC_RESET, write only */ 125 #define RS_RESET 0x80 /* =1 to hold EDLC in reset state */ 126 127 /* bits in IE_MMODE, write only */ 128 #define MM_EN_DMA 0x80 /* =1 begin DMA xfer, Cplt clrs it */ 129 #define MM_EN_RCV 0x40 /* =1 allows Pkt rcv. clr'd by rcv */ 130 #define MM_EN_XMT 0x20 /* =1 begin Xmt pkt. Cplt clrs it */ 131 #define MM_BUS_PAGE 0x18 /* =00 ALWAYS. Used when MUX=1 */ 132 #define MM_NET_PAGE 0x06 /* =00 ALWAYS. Used when MUX=0 */ 133 #define MM_MUX 0x01 /* =1 means Rcv Buff on system bus */ 134 /* =0 means Xmt Buff on system bus */ 135 136 /* bits in IE_ISTAT, read only */ 137 #define IS_TDIAG 0x80 /* =1 if Diagnostic problem */ 138 #define IS_EN_RCV 0x20 /* =1 until frame is rcv'd cplt */ 139 #define IS_EN_XMT 0x10 /* =1 until frame is xmt'd cplt */ 140 #define IS_EN_DMA 0x08 /* =1 until DMA is cplt or aborted */ 141 #define IS_DMA_INT 0x04 /* =0 iff DMA done interrupt. */ 142 #define IS_R_INT 0x02 /* =0 iff unmasked Rcv interrupt */ 143 #define IS_X_INT 0x01 /* =0 iff unmasked Xmt interrupt */ 144 145