OpenBSD-4.6/sys/dev/isa/if_exreg.h

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/*	$OpenBSD: if_exreg.h,v 1.4 2009/05/23 15:35:10 jsg Exp $	*/
/*
 * 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.
 */

/* 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 Multi_IA 0x20
#define No_SA_Ins 0x10
#define RX_CRC_InMem 0x04
#define Promisc_Mode 0x01
#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_W0			0x00
# define EE_W0_PNP		0x0001
# define EE_W0_BUS16		0x0004
# define EE_W0_FLASH_ADDR_MASK	0x0038
# define EE_W0_FLASH_ADDR_SHIFT	3
# define EE_W0_AUTO_IO		0x0040
# define EE_W0_FLASH		0x0100
# define EE_W0_AUTO_NEG		0x0200
# define EE_W0_IO_MASK		0xFC00
# define EE_W0_IO_SHIFT		10

#define EE_IRQ_No 1
#define IRQ_No_Mask 0x07

#define EE_W1			0x01
# define EE_W1_INT_SEL		0x0007
# define EE_W1_NO_LINK_INT	0x0008	/* Link Integrity Off		*/
# define EE_W1_NO_POLARITY	0x0010	/* Polarity Correction Off	*/
# define EE_W1_TPE_AUI		0x0020	/* 1 = TPE, 0 = AUI		*/
# define EE_W1_NO_JABBER_PREV	0x0040	/* Jabber prevention Off	*/
# define EE_W1_NO_AUTO_SELECT	0x0080	/* Auto Port Selection Off	*/
# define EE_W1_SMOUT		0x0100	/* SMout Pin Control 0= Input	*/
# define EE_W1_PROM		0x0200	/* Flash = 0, PROM = 1		*/
# define EE_W1_ALT_READY	0x2000	/* Alternate Ready, 0=normal	*/
# define EE_W1_FULL_DUPLEX	0x8000

#define EE_W2			0x02
#define EE_W3			0x03
#define EE_W4			0x04

#define EE_Eth_Addr_Lo 2
#define EE_Eth_Addr_Mid 3
#define EE_Eth_Addr_Hi 4

#define EE_W5			0x05
# define EE_W5_BNC_TPE		0x0001	/* 0 = TPE, 1 = BNC		*/
# define EE_W5_BOOT_IPX		0x0002
# define EE_W5_BOOT_ODI		0x0004
# define EE_W5_BOOT_NDIS	(EE_W5_BOOT_IPX|EE_W5_BOOT_ODI)
# define EE_W5_NUM_CONN		0x0008	/* 0 = 2, 1 = 3			*/
# define EE_W5_NOFLASH		0x0010	/* No flash socket present	*/
# define EE_W5_PORT_TPE		0x0020	/* TPE present			*/
# define EE_W5_PORT_BNC		0x0040	/* BNC present			*/
# define EE_W5_PORT_AUI		0x0080	/* AUI present			*/
# define EE_W5_PWR_MGT		0x0100	/* Power Management		*/
# define EE_W5_CP		0x0200	/* COncurrent Processing	*/

#define EE_W6			0x05
# define EE_W6_STEP_MASK	0x000F
# define EE_W6_BOARD_MASK	0xF

/* 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