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/*

 * Copyright (c) 1987,1997, 2006, Vrije Universiteit, Amsterdam, The Netherlands All rights reserved. Redistribution and use of the MINIX 3 operating system in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

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 * Changes:

 *  2009 Lukas Mejdrech ported to HelenOS

 */

/** @addtogroup dp8390

 *  @{

 */

/**

 * @file

 */

#ifndef __NET_NETIF_DP8390_H__

#define __NET_NETIF_DP8390_H__

#include "../../structures/packet/packet.h"

#include "dp8390_port.h"

#include "local.h"

#define DP8390_IO_SIZE  0x01f

/*

dp8390.h

Created:    before Dec 28, 1992 by Philip Homburg

*/

/* National Semiconductor DP8390 Network Interface Controller. */

                /* Page 0, for reading ------------- */

#define DP_CR       0x0 /* Read side of Command Register     */

#define DP_CLDA0    0x1 /* Current Local Dma Address 0       */

#define DP_CLDA1    0x2 /* Current Local Dma Address 1       */

#define DP_BNRY     0x3 /* Boundary Pointer                  */

#define DP_TSR      0x4 /* Transmit Status Register          */

#define DP_NCR      0x5 /* Number of Collisions Register     */

#define DP_FIFO     0x6 /* Fifo ??                           */

#define DP_ISR      0x7 /* Interrupt Status Register         */

#define DP_CRDA0    0x8 /* Current Remote Dma Address 0      */

#define DP_CRDA1    0x9 /* Current Remote Dma Address 1      */

#define DP_DUM1     0xA /* unused                            */

#define DP_DUM2     0xB /* unused                            */

#define DP_RSR      0xC /* Receive Status Register           */

#define DP_CNTR0    0xD /* Tally Counter 0                   */

#define DP_CNTR1    0xE /* Tally Counter 1                   */

#define DP_CNTR2    0xF /* Tally Counter 2                   */

                /* Page 0, for writing ------------- */

#define DP_CR       0x0 /* Write side of Command Register    */

#define DP_PSTART   0x1 /* Page Start Register               */

#define DP_PSTOP    0x2 /* Page Stop Register                */

#define DP_BNRY     0x3 /* Boundary Pointer                  */

#define DP_TPSR     0x4 /* Transmit Page Start Register      */

#define DP_TBCR0    0x5 /* Transmit Byte Count Register 0    */

#define DP_TBCR1    0x6 /* Transmit Byte Count Register 1    */

#define DP_ISR      0x7 /* Interrupt Status Register         */

#define DP_RSAR0    0x8 /* Remote Start Address Register 0   */

#define DP_RSAR1    0x9 /* Remote Start Address Register 1   */

#define DP_RBCR0    0xA /* Remote Byte Count Register 0      */

#define DP_RBCR1    0xB /* Remote Byte Count Register 1      */

#define DP_RCR      0xC /* Receive Configuration Register    */

#define DP_TCR      0xD /* Transmit Configuration Register   */

#define DP_DCR      0xE /* Data Configuration Register       */

#define DP_IMR      0xF /* Interrupt Mask Register           */

                /* Page 1, read/write -------------- */

#define DP_CR       0x0 /* Command Register                  */

#define DP_PAR0     0x1 /* Physical Address Register 0       */

#define DP_PAR1     0x2 /* Physical Address Register 1       */

#define DP_PAR2     0x3 /* Physical Address Register 2       */

#define DP_PAR3     0x4 /* Physical Address Register 3       */

#define DP_PAR4     0x5 /* Physical Address Register 4       */

#define DP_PAR5     0x6 /* Physical Address Register 5       */

#define DP_CURR     0x7 /* Current Page Register             */

#define DP_MAR0     0x8 /* Multicast Address Register 0      */

#define DP_MAR1     0x9 /* Multicast Address Register 1      */

#define DP_MAR2     0xA /* Multicast Address Register 2      */

#define DP_MAR3     0xB /* Multicast Address Register 3      */

#define DP_MAR4     0xC /* Multicast Address Register 4      */

#define DP_MAR5     0xD /* Multicast Address Register 5      */

#define DP_MAR6     0xE /* Multicast Address Register 6      */

#define DP_MAR7     0xF /* 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_NOP   0x00    /* DMA: No Operation                 */

#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_DM_ABORT 0x20    /* DMA: Abort 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                   */

#define CR_PS_T1    0xC0    /* Test Mode Register Map            */

/* Bits in dp_isr */

#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 iEnable           */

#define IMR_PTXE    0x02    /* Packet Transmitted iEnable        */

#define IMR_RXEE    0x04    /* Receive Error iEnable             */

#define IMR_TXEE    0x08    /* Transmit Error iEnable            */

#define IMR_OVWE    0x10    /* Overwrite Warning iEnable         */

#define IMR_CNTE    0x20    /* Counter Overflow iEnable          */

#define IMR_RDCE    0x40    /* DMA Complete iEnable              */

/* 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

                 * Called Loopback Select (LS) in

                 * later manuals. Should be set.     */

#define DCR_AR      0x10    /* Autoinitialize Remote             */

#define DCR_FTS     0x60    /* Fifo Threshold Select             */

#define DCR_2BYTES  0x00    /* 2 bytes                           */

#define DCR_4BYTES  0x40    /* 4 bytes                           */

#define DCR_8BYTES  0x20    /* 8 bytes                           */

#define DCR_12BYTES 0x60    /* 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 Disable             */

#define TCR_OFST    0x10    /* Collision Offset Enable (be nice) */

/* Bits in dp_tsr */

#define TSR_PTX     0x01    /* Packet Transmitted (without error)*/

#define TSR_DFR     0x02    /* Transmit Deferred, reserved in

                 * later manuals.            */

#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 tp_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                 */

#define RSR_DFR     0x80    /* In later manuals: Deferring       */

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;

#define DP_PAGESIZE 256

/* 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))

/* Software interface to the dp8390 driver */

struct dpeth;

struct iovec_dat;

//struct iovec_dat_s;

_PROTOTYPE( typedef void (*dp_initf_t), (struct dpeth *dep)     );

_PROTOTYPE( typedef void (*dp_stopf_t), (struct dpeth *dep)     );

_PROTOTYPE( typedef void (*dp_user2nicf_t), (struct dpeth *dep,

            struct iovec_dat *iovp, vir_bytes offset,

            int nic_addr, vir_bytes count)          );

//_PROTOTYPE( typedef void (*dp_user2nicf_s_t), (struct dpeth *dep,

//          struct iovec_dat_s *iovp, vir_bytes offset,

//          int nic_addr, vir_bytes count)          );

_PROTOTYPE( typedef void (*dp_nic2userf_t), (struct dpeth *dep,

            int nic_addr, struct iovec_dat *iovp,

            vir_bytes offset, vir_bytes count)      );

//_PROTOTYPE( typedef void (*dp_nic2userf_s_t), (struct dpeth *dep,

//          int nic_addr, struct iovec_dat_s *iovp,

//          vir_bytes offset, vir_bytes count)      );

//#if 0

//_PROTOTYPE( typedef void (*dp_getheaderf_t), (struct dpeth *dep,

//          int page, struct dp_rcvhdr *h, u16_t *eth_type) );

//#endif

_PROTOTYPE( typedef void (*dp_getblock_t), (struct dpeth *dep,

        int page, size_t offset, size_t size, void *dst)    );

/* iovectors are handled IOVEC_NR entries at a time. */

//#define IOVEC_NR  16

// no vectors allowed

#define IOVEC_NR    1

/*

typedef int irq_hook_t;

*/

typedef struct iovec_dat

{

  iovec_t iod_iovec[IOVEC_NR];

  int iod_iovec_s;

  // no direct process access

  int iod_proc_nr;

  vir_bytes iod_iovec_addr;

} iovec_dat_t;

/*

typedef struct iovec_dat_s

{

  iovec_s_t iod_iovec[IOVEC_NR];

  int iod_iovec_s;

  int iod_proc_nr;

  cp_grant_id_t iod_grant;

  vir_bytes iod_iovec_offset;

} iovec_dat_s_t;

*/

#define SENDQ_NR    1   /* Maximum size of the send queue */

#define SENDQ_PAGES 6   /* 6 * DP_PAGESIZE >= 1514 bytes */

typedef struct dpeth

{

    /* Packet send queue.

    */

    packet_t    packet_queue;

    int         packet_count;

    /* Packet receive queue.

    */

    packet_t    received_queue;

    /* The de_base_port field is the starting point of the probe.

     * The conf routine also fills de_linmem and de_irq. If the probe

     * routine knows the irq and/or memory address because they are

     * hardwired in the board, the probe should modify these fields.

     * Futhermore, the probe routine should also fill in de_initf and

     * de_stopf fields with the appropriate function pointers and set

     * de_prog_IO iff programmed I/O is to be used.

     */

    port_t de_base_port;

    phys_bytes de_linmem;

    char *de_locmem;

    int de_irq;

    int de_int_pending;

//  irq_hook_t de_hook;

    dp_initf_t de_initf;

    dp_stopf_t de_stopf;

    int de_prog_IO;

    char de_name[sizeof("dp8390#n")];

    /* The initf function fills the following fields. Only cards that do

     * programmed I/O fill in the de_pata_port field.

     * In addition, the init routine has to fill in the sendq data

     * structures.

     */

    ether_addr_t de_address;

    port_t de_dp8390_port;

    port_t de_data_port;

    int de_16bit;

    int de_ramsize;

    int de_offset_page;

    int de_startpage;

    int de_stoppage;

    /* should be here - read even for ne2k isa init... */

    char de_pci;            /* TRUE iff PCI device */

#if ENABLE_PCI

    /* PCI config */

//  char de_pci;            /* TRUE iff PCI device */

//  u8_t de_pcibus; 

//  u8_t de_pcidev; 

//  u8_t de_pcifunc;    

#endif

    /* Do it yourself send queue */

    struct sendq

    {

        int sq_filled;      /* this buffer contains a packet */

        int sq_size;        /* with this size */

        int sq_sendpage;    /* starting page of the buffer */

    } de_sendq[SENDQ_NR];

    int de_sendq_nr;

    int de_sendq_head;      /* Enqueue at the head */

    int de_sendq_tail;      /* Dequeue at the tail */

    /* Fields for internal use by the dp8390 driver. */

    int de_flags;

    int de_mode;

    eth_stat_t de_stat;

    iovec_dat_t de_read_iovec;

//  iovec_dat_s_t de_read_iovec_s;

//  int de_safecopy_read;

    iovec_dat_t de_write_iovec;

//  iovec_dat_s_t de_write_iovec_s;

    iovec_dat_t de_tmp_iovec;

//  iovec_dat_s_t de_tmp_iovec_s;

    vir_bytes de_read_s;

//  int de_client;

//  message de_sendmsg;

    dp_user2nicf_t de_user2nicf;

//  dp_user2nicf_s_t de_user2nicf_s; 

    dp_nic2userf_t de_nic2userf;

//  dp_nic2userf_s_t de_nic2userf_s; 

    dp_getblock_t de_getblockf;

} dpeth_t;

#define DEI_DEFAULT 0x8000

#define DEF_EMPTY   0x000

#define DEF_PACK_SEND   0x001

#define DEF_PACK_RECV   0x002

#define DEF_SEND_AVAIL  0x004

#define DEF_READING 0x010

#define DEF_PROMISC 0x040

#define DEF_MULTI   0x080

#define DEF_BROAD   0x100

#define DEF_ENABLED 0x200

#define DEF_STOPPED 0x400

#define DEM_DISABLED    0x0

#define DEM_SINK    0x1

#define DEM_ENABLED 0x2

//#if !__minix_vmd

#define debug       1   /* Standard Minix lacks debug variable */

//#endif

/*

 * $PchId: dp8390.h,v 1.10 2005/02/10 17:26:06 philip Exp $

 */

#endif

/** @}

 */