173 lines
7 KiB
C
173 lines
7 KiB
C
/*
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** File: 8390.h May 02, 2000
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**
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** Author: Giovanni Falzoni <gfalzoni@inwind.it>
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**
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** National Semiconductor NS 8390 Network Interface Controller
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**
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** $Log$
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** Revision 1.2 2005/08/22 15:17:40 beng
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** Remove double-blank lines (Al)
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**
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** Revision 1.1 2005/06/29 10:16:46 beng
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** Import of dpeth 3c501/3c509b/.. ethernet driver by
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** Giovanni Falzoni <fgalzoni@inwind.it>.
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**
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** Revision 2.0 2005/06/26 16:16:46 lsodgf0
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** Initial revision for Minix 3.0.6
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*/
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#define DP_PAGESIZE 256 /* NS 8390 page size */
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#define SENDQ_PAGES 6 /* SENDQ_PAGES * DP_PAGESIZE >= 1514 bytes */
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/* Page 0, read/write ------------- */
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#define DP_CR 0x00 /* Command Register RW */
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#define DP_CLDA0 0x01 /* Current Local Dma Address 0 RO */
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#define DP_PSTART 0x01 /* Page Start Register WO */
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#define DP_CLDA1 0x02 /* Current Local Dma Address 1 RO */
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#define DP_PSTOP 0x02 /* Page Stop Register WO */
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#define DP_BNRY 0x03 /* Boundary Pointer RW */
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#define DP_TSR 0x04 /* Transmit Status Register RO */
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#define DP_TPSR 0x04 /* Transmit Page Start Register WO */
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#define DP_NCR 0x05 /* No. of Collisions Register RO */
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#define DP_TBCR0 0x05 /* Transmit Byte Count Reg. 0 WO */
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#define DP_FIFO 0x06 /* Fifo RO */
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#define DP_TBCR1 0x06 /* Transmit Byte Count Reg. 1 WO */
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#define DP_ISR 0x07 /* Interrupt Status Register RW */
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#define DP_CRDA0 0x08 /* Current Remote Dma Addr.Low RO */
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#define DP_RSAR0 0x08 /* Remote Start Address Low WO */
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#define DP_CRDA1 0x09 /* Current Remote Dma Addr.High RO */
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#define DP_RSAR1 0x09 /* Remote Start Address High WO */
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#define DP_RBCR0 0x0A /* Remote Byte Count Low WO */
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#define DP_RBCR1 0x0B /* Remote Byte Count Hihg WO */
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#define DP_RSR 0x0C /* Receive Status Register RO */
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#define DP_RCR 0x0C /* Receive Config. Register WO */
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#define DP_CNTR0 0x0D /* Tally Counter 0 RO */
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#define DP_TCR 0x0D /* Transmit Config. Register WO */
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#define DP_CNTR1 0x0E /* Tally Counter 1 RO */
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#define DP_DCR 0x0E /* Data Configuration Register WO */
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#define DP_CNTR2 0x0F /* Tally Counter 2 RO */
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#define DP_IMR 0x0F /* Interrupt Mask Register WO */
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/* Page 1, read/write -------------- */
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/* DP_CR 0x00 Command Register */
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#define DP_PAR0 0x01 /* Physical Address Register 0 */
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#define DP_PAR1 0x02 /* Physical Address Register 1 */
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#define DP_PAR2 0x03 /* Physical Address Register 2 */
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#define DP_PAR3 0x04 /* Physical Address Register 3 */
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#define DP_PAR4 0x05 /* Physical Address Register 4 */
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#define DP_PAR5 0x06 /* Physical Address Register 5 */
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#define DP_CURR 0x07 /* Current Page Register */
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#define DP_MAR0 0x08 /* Multicast Address Register 0 */
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#define DP_MAR1 0x09 /* Multicast Address Register 1 */
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#define DP_MAR2 0x0A /* Multicast Address Register 2 */
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#define DP_MAR3 0x0B /* Multicast Address Register 3 */
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#define DP_MAR4 0x0C /* Multicast Address Register 4 */
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#define DP_MAR5 0x0D /* Multicast Address Register 5 */
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#define DP_MAR6 0x0E /* Multicast Address Register 6 */
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#define DP_MAR7 0x0F /* Multicast Address Register 7 */
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/* Bits in dp_cr */
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#define CR_STP 0x01 /* Stop: software reset */
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#define CR_STA 0x02 /* Start: activate NIC */
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#define CR_TXP 0x04 /* Transmit Packet */
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#define CR_DMA 0x38 /* Mask for DMA control */
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#define CR_DM_RR 0x08 /* DMA: Remote Read */
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#define CR_DM_RW 0x10 /* DMA: Remote Write */
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#define CR_DM_SP 0x18 /* DMA: Send Packet */
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#define CR_NO_DMA 0x20 /* DMA: Stop Remote DMA Operation */
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#define CR_PS 0xC0 /* Mask for Page Select */
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#define CR_PS_P0 0x00 /* Register Page 0 */
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#define CR_PS_P1 0x40 /* Register Page 1 */
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#define CR_PS_P2 0x80 /* Register Page 2 */
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/* Bits in dp_isr */
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#define ISR_MASK 0x3F
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#define ISR_PRX 0x01 /* Packet Received with no errors */
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#define ISR_PTX 0x02 /* Packet Transmitted with no errors */
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#define ISR_RXE 0x04 /* Receive Error */
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#define ISR_TXE 0x08 /* Transmit Error */
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#define ISR_OVW 0x10 /* Overwrite Warning */
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#define ISR_CNT 0x20 /* Counter Overflow */
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#define ISR_RDC 0x40 /* Remote DMA Complete */
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#define ISR_RST 0x80 /* Reset Status */
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/* Bits in dp_imr */
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#define IMR_PRXE 0x01 /* Packet Received Enable */
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#define IMR_PTXE 0x02 /* Packet Transmitted Enable */
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#define IMR_RXEE 0x04 /* Receive Error Enable */
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#define IMR_TXEE 0x08 /* Transmit Error Enable */
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#define IMR_OVWE 0x10 /* Overwrite Warning Enable */
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#define IMR_CNTE 0x20 /* Counter Overflow Enable */
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#define IMR_RDCE 0x40 /* DMA Complete Enable */
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/* Bits in dp_dcr */
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#define DCR_WTS 0x01 /* Word Transfer Select */
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#define DCR_BYTEWIDE 0x00 /* WTS: byte wide transfers */
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#define DCR_WORDWIDE 0x01 /* WTS: word wide transfers */
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#define DCR_BOS 0x02 /* Byte Order Select */
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#define DCR_LTLENDIAN 0x00 /* BOS: Little Endian */
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#define DCR_BIGENDIAN 0x02 /* BOS: Big Endian */
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#define DCR_LAS 0x04 /* Long Address Select */
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#define DCR_BMS 0x08 /* Burst Mode Select */
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#define DCR_AR 0x10 /* Autoinitialize Remote */
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#define DCR_FTS 0x60 /* Fifo Threshold Select */
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#define DCR_2BYTES 0x00 /* Fifo Threshold: 2 bytes */
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#define DCR_4BYTES 0x20 /* Fifo Threshold: 4 bytes */
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#define DCR_8BYTES 0x40 /* Fifo Threshold: 8 bytes */
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#define DCR_12BYTES 0x60 /* Fifo Threshold: 12 bytes */
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/* Bits in dp_tcr */
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#define TCR_CRC 0x01 /* Inhibit CRC */
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#define TCR_ELC 0x06 /* Encoded Loopback Control */
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#define TCR_NORMAL 0x00 /* ELC: Normal Operation */
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#define TCR_INTERNAL 0x02 /* ELC: Internal Loopback */
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#define TCR_0EXTERNAL 0x04 /* ELC: External Loopback LPBK=0 */
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#define TCR_1EXTERNAL 0x06 /* ELC: External Loopback LPBK=1 */
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#define TCR_ATD 0x08 /* Auto Transmit */
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#define TCR_OFST 0x10 /* Collision Offset Enable */
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/* Bits in dp_tsr */
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#define TSR_PTX 0x01 /* Packet Transmitted (without error) */
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#define TSR_DFR 0x02 /* Transmit Deferred */
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#define TSR_COL 0x04 /* Transmit Collided */
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#define TSR_ABT 0x08 /* Transmit Aborted */
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#define TSR_CRS 0x10 /* Carrier Sense Lost */
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#define TSR_FU 0x20 /* FIFO Underrun */
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#define TSR_CDH 0x40 /* CD Heartbeat */
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#define TSR_OWC 0x80 /* Out of Window Collision */
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/* Bits in dp_rcr */
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#define RCR_SEP 0x01 /* Save Errored Packets */
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#define RCR_AR 0x02 /* Accept Runt Packets */
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#define RCR_AB 0x04 /* Accept Broadcast */
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#define RCR_AM 0x08 /* Accept Multicast */
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#define RCR_PRO 0x10 /* Physical Promiscuous */
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#define RCR_MON 0x20 /* Monitor Mode */
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/* Bits in dp_rsr */
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#define RSR_PRX 0x01 /* Packet Received Intact */
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#define RSR_CRC 0x02 /* CRC Error */
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#define RSR_FAE 0x04 /* Frame Alignment Error */
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#define RSR_FO 0x08 /* FIFO Overrun */
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#define RSR_MPA 0x10 /* Missed Packet */
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#define RSR_PHY 0x20 /* Multicast Address Match !! */
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#define RSR_DIS 0x40 /* Receiver Disabled */
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/* Some macros to simplify accessing the dp8390 */
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#define inb_reg0(dep,reg) (inb(dep->de_dp8390_port+reg))
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#define outb_reg0(dep,reg,data) (outb(dep->de_dp8390_port+reg,data))
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#define inb_reg1(dep,reg) (inb(dep->de_dp8390_port+reg))
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#define outb_reg1(dep,reg,data) (outb(dep->de_dp8390_port+reg,data))
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typedef struct dp_rcvhdr {
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u8_t dr_status; /* Copy of rsr */
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u8_t dr_next; /* Pointer to next packet */
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u8_t dr_rbcl; /* Receive Byte Count Low */
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u8_t dr_rbch; /* Receive Byte Count High */
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} dp_rcvhdr_t;
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void ns_init(dpeth_t *);
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/** 8390.h **/
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