/*      $NetBSD: if_cnwreg.h,v 1.6 2008/04/28 20:23:56 martin Exp $     */

/*-
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Michael Eriksson.
 *
 * 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, 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */


/* I/O area */
#define CNW_IO_SIZE             0x10
/* I/O area can be accessed via mapped memory too */
#define CNW_IOM_ADDR            0x28000
#define CNW_IOM_SIZE            CNW_IO_SIZE
#define CNW_IOM_OFF             (CNW_IOM_ADDR - CNW_MEM_ADDR)

/* I/O registers */
#define CNW_REG_COR             0x0
#    define CNW_COR_IENA                0x01    /* Interrupt enable */
#    define CNW_COR_LVLREQ              0x40    /* Keep high */
#define CNW_REG_CCSR            0x2
#define CNW_REG_ASR             0x4
#    define CNW_ASR_TXBA                0x01    /* Trasmit buffer available */
#    define CNW_ASR_WOC                 0x08    /* Write Operation Complete */
#    define CNW_ASR_TXDN                0x20    /* Transmit done */
#    define CNW_ASR_RXERR               0x40    /* Receive error */
#    define CNW_ASR_RXRDY               0x80    /* Packet received */
#define CNW_REG_IOLOW           0x6
#define CNW_REG_IOHI            0x7
#define CNW_REG_IOCONTROL       0x8
#define CNW_REG_IMR             0xa
#    define CNW_IMR_IENA                0x02    /* Interrupt enable */
#    define CNW_IMR_RFU1                0x10    /* RFU intr mask, keep high */
#define CNW_REG_PMR             0xc
#    define CNW_PMR_RESET               0x80
#define CNW_REG_DATA            0xf


/* Mapped memory */
#define CNW_MEM_ADDR            0x20000
#define CNW_MEM_SIZE            0x8000

/* Extended I/O registers (memory mapped) */
#define CNW_EREG_CB             0x100
#define CNW_EREG_ASCC           0x114
#define CNW_EREG_RSER           0x120
#    define CNW_RSER_RXBIG              0x02
#    define CNW_RSER_RXCRC              0x04
#    define CNW_RSER_RXOVERRUN          0x08
#    define CNW_RSER_RXOVERFLOW         0x10
#    define CNW_RSER_RXERR              0x40
#    define CNW_RSER_RXAVAIL            0x80
#define CNW_EREG_RSERW          0x124
#define CNW_EREG_TSER           0x130
#    define CNW_TSER_RTRY               0x0f
#    define CNW_TSER_TXERR              0x10
#    define CNW_TSER_TXOK               0x20
#    define CNW_TSER_TXNOAP             0x40
#    define CNW_TSER_TXGU               0x80
#    define CNW_TSER_ERROR              (CNW_TSER_TXERR | CNW_TSER_TXNOAP | \
                                         CNW_TSER_TXGU)
#define CNW_EREG_TSERW          0x134
#define CNW_EREG_TDP            0x140
#define CNW_EREG_LIF            0x14e
#define CNW_EREG_RDP            0x150
#define CNW_EREG_SPCQ           0x154
#define CNW_EREG_SPU            0x155
#define CNW_EREG_ISPLQ          0x156
#define CNW_EREG_HHC            0x158
#define CNW_EREG_PA             0x160
#define CNW_EREG_ARW            0x166
#define CNW_EREG_MHS            0x16b
#define CNW_EREG_NI             0x16e
#define CNW_EREG_CRBP           0x17a
#define CNW_EREG_EC             0x180
#define CNW_EREG_STAT_RXERR     0x184
#define CNW_EREG_STAT_FRAME     0x186
#define CNW_EREG_STAT_IBEAT     0x188
#define CNW_EREG_STAT_RXBUF     0x18e
#define CNW_EREG_STAT_RXMULTI   0x190
#define CNW_EREG_STAT_TXRETRY   0x192
#define CNW_EREG_STAT_TXABORT   0x194
#define CNW_EREG_STAT_OBEAT     0x198
#define CNW_EREG_STAT_TXOK      0x19a
#define CNW_EREG_STAT_TXSENT    0x19c

/*
 * Commands used in the extended command buffer
 * CNW_EREG_CB (0x100-0x10f)
 */
#define CNW_CMD_NOP             0x00
#define CNW_CMD_SRC             0x01
#    define CNW_RXCONF_RXENA            0x80    /* Receive Enable */
#    define CNW_RXCONF_MAC              0x20    /* MAC host receive mode */
#    define CNW_RXCONF_PRO              0x10    /* Promiscuous */
#    define CNW_RXCONF_AMP              0x08    /* Accept Multicast Packets */
#    define CNW_RXCONF_BCAST            0x04    /* Accept Broadcast Packets */
#define CNW_CMD_STC             0x02
#    define CNW_TXCONF_TXENA            0x80    /* Transmit Enable */
#    define CNW_TXCONF_MAC              0x20    /* Host sends MAC mode */
#    define CNW_TXCONF_EUD              0x10    /* Enable Uni-Data packets */
#    define CNW_TXCONF_KEY              0x02    /* Scramble data packets */
#    define CNW_TXCONF_LOOP             0x01    /* Loopback mode */
#define CNW_CMD_AMA             0x03
#define CNW_CMD_DMA             0x04
#define CNW_CMD_SAMA            0x05
#define CNW_CMD_ER              0x06
#define CNW_CMD_DR              0x07
#define CNW_CMD_TL              0x08
#define CNW_CMD_SRP             0x09
#define CNW_CMD_SSK             0x0a
#define CNW_CMD_SMD             0x0b
#define CNW_CMD_SAPD            0x0c
#define CNW_CMD_SSS             0x11
#define CNW_CMD_EOC             0x00            /* End-of-command marker */