drivers/dpeth/8390.h

   1 /*
   2 **  File:       8390.h          May  02, 2000
   3 **
   4 **  Author:     Giovanni Falzoni <gfalzoni@inwind.it>
   5 **
   6 **  National Semiconductor NS 8390 Network Interface Controller
   7 **
   8 **  $Log$
   9 **  Revision 1.2  2005/08/22 15:17:40  beng
  10 **  Remove double-blank lines (Al)
  11 **
  12 **  Revision 1.1  2005/06/29 10:16:46  beng
  13 **  Import of dpeth 3c501/3c509b/.. ethernet driver by
  14 **  Giovanni Falzoni <fgalzoni@inwind.it>.
  15 **
  16 **  Revision 2.0  2005/06/26 16:16:46  lsodgf0
  17 **  Initial revision for Minix 3.0.6
  18 */
  19
  20 #define DP_PAGESIZE     256     /* NS 8390 page size */
  21 #define SENDQ_PAGES     6       /* SENDQ_PAGES * DP_PAGESIZE >= 1514 bytes */
  22
  23 /* Page 0, read/write ------------- */
  24 #define DP_CR           0x00    /* Command Register             RW */
  25 #define DP_CLDA0        0x01    /* Current Local Dma Address 0  RO */
  26 #define DP_PSTART       0x01    /* Page Start Register          WO */
  27 #define DP_CLDA1        0x02    /* Current Local Dma Address 1  RO */
  28 #define DP_PSTOP        0x02    /* Page Stop Register           WO */
  29 #define DP_BNRY         0x03    /* Boundary Pointer             RW */
  30 #define DP_TSR          0x04    /* Transmit Status Register     RO */
  31 #define DP_TPSR         0x04    /* Transmit Page Start Register WO */
  32 #define DP_NCR          0x05    /* No. of Collisions Register   RO */
  33 #define DP_TBCR0        0x05    /* Transmit Byte Count Reg. 0   WO */
  34 #define DP_FIFO         0x06    /* Fifo                         RO */
  35 #define DP_TBCR1        0x06    /* Transmit Byte Count Reg. 1   WO */
  36 #define DP_ISR          0x07    /* Interrupt Status Register    RW */
  37 #define DP_CRDA0        0x08    /* Current Remote Dma Addr.Low  RO */
  38 #define DP_RSAR0        0x08    /* Remote Start Address Low     WO */
  39 #define DP_CRDA1        0x09    /* Current Remote Dma Addr.High RO */
  40 #define DP_RSAR1        0x09    /* Remote Start Address High    WO */
  41 #define DP_RBCR0        0x0A    /* Remote Byte Count Low        WO */
  42 #define DP_RBCR1        0x0B    /* Remote Byte Count Hihg       WO */
  43 #define DP_RSR          0x0C    /* Receive Status Register      RO */
  44 #define DP_RCR          0x0C    /* Receive Config. Register     WO */
  45 #define DP_CNTR0        0x0D    /* Tally Counter 0              RO */
  46 #define DP_TCR          0x0D    /* Transmit Config. Register    WO */
  47 #define DP_CNTR1        0x0E    /* Tally Counter 1              RO */
  48 #define DP_DCR          0x0E    /* Data Configuration Register  WO */
  49 #define DP_CNTR2        0x0F    /* Tally Counter 2              RO */
  50 #define DP_IMR          0x0F    /* Interrupt Mask Register      WO */
  51
  52  /* Page 1, read/write -------------- */
  53 /*      DP_CR           0x00       Command Register */
  54 #define DP_PAR0         0x01    /* Physical Address Register 0 */
  55 #define DP_PAR1         0x02    /* Physical Address Register 1 */
  56 #define DP_PAR2         0x03    /* Physical Address Register 2 */
  57 #define DP_PAR3         0x04    /* Physical Address Register 3 */
  58 #define DP_PAR4         0x05    /* Physical Address Register 4 */
  59 #define DP_PAR5         0x06    /* Physical Address Register 5 */
  60 #define DP_CURR         0x07    /* Current Page Register */
  61 #define DP_MAR0         0x08    /* Multicast Address Register 0 */
  62 #define DP_MAR1         0x09    /* Multicast Address Register 1 */
  63 #define DP_MAR2         0x0A    /* Multicast Address Register 2 */
  64 #define DP_MAR3         0x0B    /* Multicast Address Register 3 */
  65 #define DP_MAR4         0x0C    /* Multicast Address Register 4 */
  66 #define DP_MAR5         0x0D    /* Multicast Address Register 5 */
  67 #define DP_MAR6         0x0E    /* Multicast Address Register 6 */
  68 #define DP_MAR7         0x0F    /* Multicast Address Register 7 */
  69
  70 /* Bits in dp_cr */
  71 #define CR_STP          0x01    /* Stop: software reset */
  72 #define CR_STA          0x02    /* Start: activate NIC */
  73 #define CR_TXP          0x04    /* Transmit Packet */
  74 #define CR_DMA          0x38    /* Mask for DMA control */
  75 #define CR_DM_RR        0x08    /* DMA: Remote Read */
  76 #define CR_DM_RW        0x10    /* DMA: Remote Write */
  77 #define CR_DM_SP        0x18    /* DMA: Send Packet */
  78 #define CR_NO_DMA       0x20    /* DMA: Stop Remote DMA Operation */
  79 #define CR_PS           0xC0    /* Mask for Page Select */
  80 #define CR_PS_P0        0x00    /* Register Page 0 */
  81 #define CR_PS_P1        0x40    /* Register Page 1 */
  82 #define CR_PS_P2        0x80    /* Register Page 2 */
  83
  84 /* Bits in dp_isr */
  85 #define ISR_MASK        0x3F
  86 #define ISR_PRX         0x01    /* Packet Received with no errors */
  87 #define ISR_PTX         0x02    /* Packet Transmitted with no errors */
  88 #define ISR_RXE         0x04    /* Receive Error */
  89 #define ISR_TXE         0x08    /* Transmit Error */
  90 #define ISR_OVW         0x10    /* Overwrite Warning */
  91 #define ISR_CNT         0x20    /* Counter Overflow */
  92 #define ISR_RDC         0x40    /* Remote DMA Complete */
  93 #define ISR_RST         0x80    /* Reset Status */
  94
  95 /* Bits in dp_imr */
  96 #define IMR_PRXE        0x01    /* Packet Received Enable */
  97 #define IMR_PTXE        0x02    /* Packet Transmitted Enable */
  98 #define IMR_RXEE        0x04    /* Receive Error Enable */
  99 #define IMR_TXEE        0x08    /* Transmit Error Enable */
 100 #define IMR_OVWE        0x10    /* Overwrite Warning Enable */
 101 #define IMR_CNTE        0x20    /* Counter Overflow Enable */
 102 #define IMR_RDCE        0x40    /* DMA Complete Enable */
 103
 104 /* Bits in dp_dcr */
 105 #define DCR_WTS         0x01    /* Word Transfer Select */
 106 #define DCR_BYTEWIDE    0x00    /* WTS: byte wide transfers */
 107 #define DCR_WORDWIDE    0x01    /* WTS: word wide transfers */
 108 #define DCR_BOS         0x02    /* Byte Order Select */
 109 #define DCR_LTLENDIAN   0x00    /* BOS: Little Endian */
 110 #define DCR_BIGENDIAN   0x02    /* BOS: Big Endian */
 111 #define DCR_LAS         0x04    /* Long Address Select */
 112 #define DCR_BMS         0x08    /* Burst Mode Select */
 113 #define DCR_AR          0x10    /* Autoinitialize Remote */
 114 #define DCR_FTS         0x60    /* Fifo Threshold Select */
 115 #define DCR_2BYTES      0x00    /* Fifo Threshold: 2 bytes */
 116 #define DCR_4BYTES      0x20    /* Fifo Threshold: 4 bytes */
 117 #define DCR_8BYTES      0x40    /* Fifo Threshold: 8 bytes */
 118 #define DCR_12BYTES     0x60    /* Fifo Threshold: 12 bytes */
 119
 120 /* Bits in dp_tcr */
 121 #define TCR_CRC         0x01    /* Inhibit CRC */
 122 #define TCR_ELC         0x06    /* Encoded Loopback Control */
 123 #define TCR_NORMAL      0x00    /* ELC: Normal Operation */
 124 #define TCR_INTERNAL    0x02    /* ELC: Internal Loopback */
 125 #define TCR_0EXTERNAL   0x04    /* ELC: External Loopback LPBK=0 */
 126 #define TCR_1EXTERNAL   0x06    /* ELC: External Loopback LPBK=1 */
 127 #define TCR_ATD         0x08    /* Auto Transmit */
 128 #define TCR_OFST        0x10    /* Collision Offset Enable */
 129
 130 /* Bits in dp_tsr */
 131 #define TSR_PTX         0x01    /* Packet Transmitted (without error) */
 132 #define TSR_DFR         0x02    /* Transmit Deferred */
 133 #define TSR_COL         0x04    /* Transmit Collided */
 134 #define TSR_ABT         0x08    /* Transmit Aborted */
 135 #define TSR_CRS         0x10    /* Carrier Sense Lost */
 136 #define TSR_FU          0x20    /* FIFO Underrun */
 137 #define TSR_CDH         0x40    /* CD Heartbeat */
 138 #define TSR_OWC         0x80    /* Out of Window Collision */
 139
 140 /* Bits in dp_rcr */
 141 #define RCR_SEP         0x01    /* Save Errored Packets */
 142 #define RCR_AR          0x02    /* Accept Runt Packets */
 143 #define RCR_AB          0x04    /* Accept Broadcast */
 144 #define RCR_AM          0x08    /* Accept Multicast */
 145 #define RCR_PRO         0x10    /* Physical Promiscuous */
 146 #define RCR_MON         0x20    /* Monitor Mode */
 147
 148 /* Bits in dp_rsr */
 149 #define RSR_PRX         0x01    /* Packet Received Intact */
 150 #define RSR_CRC         0x02    /* CRC Error */
 151 #define RSR_FAE         0x04    /* Frame Alignment Error */
 152 #define RSR_FO          0x08    /* FIFO Overrun */
 153 #define RSR_MPA         0x10    /* Missed Packet */
 154 #define RSR_PHY         0x20    /* Multicast Address Match !! */
 155 #define RSR_DIS         0x40    /* Receiver Disabled */
 156
 157 /* Some macros to simplify accessing the dp8390 */
 158 #define inb_reg0(dep,reg) (inb(dep->de_dp8390_port+reg))
 159 #define outb_reg0(dep,reg,data) (outb(dep->de_dp8390_port+reg,data))
 160 #define inb_reg1(dep,reg) (inb(dep->de_dp8390_port+reg))
 161 #define outb_reg1(dep,reg,data) (outb(dep->de_dp8390_port+reg,data))
 162
 163 typedef struct dp_rcvhdr {
 164   u8_t dr_status;               /* Copy of rsr */
 165   u8_t dr_next;                 /* Pointer to next packet */
 166   u8_t dr_rbcl;                 /* Receive Byte Count Low */
 167   u8_t dr_rbch;                 /* Receive Byte Count High */
 168 } dp_rcvhdr_t;
 169
 170 void ns_init(dpeth_t *);
 171
 172 /** 8390.h **/