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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:

 *

 * * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

 * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

 * * Neither the name of the Vrije Universiteit nor the names of the software authors or contributors may be used to endorse or promote products derived from this software without specific prior written permission.

 * * Any deviations from these conditions require written permission from the copyright holder in advance

 *

 *

 * Disclaimer

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS, AUTHORS, AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ANY AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 * Changes:

 *  2009 ported to HelenOS, Lukas Mejdrech

 */

/** @addtogroup dp8390

 *  @{

 */

/** @file

 *  DP8390 network interface definitions.

 */

#ifndef __NET_NETIF_DP8390_H__

#define __NET_NETIF_DP8390_H__

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

#include "dp8390_port.h"

#include "local.h"

/** Input/output size.

 */

#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       */

/** Type definition of the receive header.

 */

typedef struct dp_rcvhdr

{

	/** Copy of rsr.

	 */

	u8_t dr_status;

	/** Pointer to next packet.

	 */

	u8_t dr_next;

	/** Receive Byte Count Low.

	 */

	u8_t dr_rbcl;

	/** Receive Byte Count High.

	 */

	u8_t dr_rbch;

} dp_rcvhdr_t;

/** Page size.

 */

#define DP_PAGESIZE	256

/* Some macros to simplify accessing the dp8390 */

/** Reads 1 byte from the zero page register.

 *  @param[in] dep The network interface structure.

 *  @param[in] reg The register offset.

 *  @returns The read value.

 */

#define inb_reg0(dep, reg)		(inb(dep->de_dp8390_port+reg))

/** Writes 1 byte zero page register.

 *  @param[in] dep The network interface structure.

 *  @param[in] reg The register offset.

 *  @param[in] data The value to be written.

 */

#define outb_reg0(dep, reg, data)	(outb(dep->de_dp8390_port+reg, data))

/** Reads 1 byte from the first page register.

 *  @param[in] dep The network interface structure.

 *  @param[in] reg The register offset.

 *  @returns The read value.

 */

#define inb_reg1(dep, reg)		(inb(dep->de_dp8390_port+reg))

/** Writes 1 byte first page register.

 *  @param[in] dep The network interface structure.

 *  @param[in] reg The register offset.

 *  @param[in] data The value to be written.

 */

#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 */

/** Maximum number of waiting packets to be sent or received.

 */

#define MAX_PACKETS	4

typedef struct dpeth

{

	/** Outgoing packets queue.

	 */

	packet_t	packet_queue;

	/** Outgoing packets count.

	 */

	int			packet_count;

	/** Received packets queue.

	 */

	packet_t	received_queue;

	/** Received packets count.

	 */

	int			received_count;

	/* 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

/** @}

 */