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