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/*
* Copyright (c) 1996, Javier Martín Rueda (jmrueda@diatel.upm.es)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
/*
* Intel EtherExpress Pro/10 Ethernet driver
*/
/*
* Several constants.
*/
/* Length of an ethernet address. */
#define ETHER_ADDR_LEN 6
/* Default RAM size in board. */
#define CARD_RAM_SIZE 0x8000
/* Number of I/O ports used. */
#define EX_IOSIZE 16
/*
* Intel EtherExpress Pro (i82595 based) registers
*/
/* Common registers to all banks. */
#define CMD_REG 0
#define REG1 1
#define REG2 2
#define REG3 3
#define REG4 4
#define REG5 5
#define REG6 6
#define REG7 7
#define REG8 8
#define REG9 9
#define REG10 10
#define REG11 11
#define REG12 12
#define REG13 13
#define REG14 14
#define REG15 15
/* Definitions for command register (CMD_REG). */
#define Switch_Bank_CMD 0
#define MC_Setup_CMD 3
#define Transmit_CMD 4
#define Diagnose_CMD 7
#define Rcv_Enable_CMD 8
#define Rcv_Stop 11
#define Reset_CMD 14
#define Resume_XMT_List_CMD 28
#define Sel_Reset_CMD 30
#define Abort 0x20
#define Bank0_Sel 0x00
#define Bank1_Sel 0x40
#define Bank2_Sel 0x80
/* Bank 0 specific registers. */
#define STATUS_REG 1
#define ID_REG 2
#define Id_Mask 0x2c
#define Id_Sig 0x24
#define Counter_bits 0xc0
#define MASK_REG 3
#define Exec_Int 0x08
#define Tx_Int 0x04
#define Rx_Int 0x02
#define Rx_Stp_Int 0x01
#define All_Int 0x0f
#define RCV_BAR 4
#define RCV_BAR_Lo 4
#define RCV_BAR_Hi 5
#define RCV_STOP_REG 6
#define XMT_BAR 10
#define HOST_ADDR_REG 12 /* 16-bit register */
#define IO_PORT_REG 14 /* 16-bit register */
/* Bank 1 specific registers. */
#define TriST_INT 0x80
#define INT_NO_REG 2
#define RCV_LOWER_LIMIT_REG 8
#define RCV_UPPER_LIMIT_REG 9
#define XMT_LOWER_LIMIT_REG 10
#define XMT_UPPER_LIMIT_REG 11
/* Bank 2 specific registers. */
#define Disc_Bad_Fr 0x80
#define Tx_Chn_ErStp 0x40
#define Tx_Chn_Int_Md 0x20
#define No_SA_Ins 0x10
#define RX_CRC_InMem 0x04
#define BNC_bit 0x20
#define TPE_bit 0x04
#define I_ADDR_REG0 4
#define EEPROM_REG 10
#define Trnoff_Enable 0x10
/* EEPROM memory positions (16-bit wide). */
#define EE_IRQ_No 1
#define IRQ_No_Mask 0x07
#define EE_Eth_Addr_Lo 2
#define EE_Eth_Addr_Mid 3
#define EE_Eth_Addr_Hi 4
/* EEPROM serial interface. */
#define EESK 0x01
#define EECS 0x02
#define EEDI 0x04
#define EEDO 0x08
#define EE_READ_CMD (6 << 6)
/* Frame chain constants. */
/* Transmit header length (in board's ring buffer). */
#define XMT_HEADER_LEN 8
#define XMT_Chain_Point 4
#define XMT_Byte_Count 6
#define Done_bit 0x0080
#define Ch_bit 0x8000
/* Transmit result bits. */
#define No_Collisions_bits 0x000f
#define TX_OK_bit 0x2000
/* Receive result bits. */
#define RCV_Done 8
#define RCV_OK_bit 0x2000
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