/*      $NetBSD: if_gmreg.h,v 1.4 2026/01/03 14:55:17 andvar Exp $      */

/*-
 * Copyright (c) 2000 Tsubai Masanari.  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, 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.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
 */

struct gmac_dma {
        u_int32_t cmd;
        u_int32_t cmd_hi;
        u_int32_t address;
        u_int32_t address_hi;
};

#define GMAC_OWN        0x80000000
#define GMAC_SOP        0x40000000      /* start of packet? */
#define GMAC_LEN_MASK   0x00003fff

#define GMAC_INT_TXEMPTY        0x02    /* TX ring empty */
#define GMAC_INT_TXDONE         0x04
#define GMAC_INT_RXDONE         0x10

#define GMAC_RXMAC_PR   0x08            /* enable promiscuous mode */
#define GMAC_RXMAC_HEN  0x10            /* enable the hash filter */

/*
 * register offset
 */
#define GMAC_STATUS             0x000c
#define GMAC_INTMASK            0x0010
#define GMAC_SOFTWARERESET      0x1010

#define GMAC_TXDMAKICK          0x2000
#define GMAC_TXDMACONFIG        0x2004
#define GMAC_TXDMADESCBASELO    0x2008
#define GMAC_TXDMADESCBASEHI    0x200c
#define GMAC_TXDMACOMPLETE      0x2100

#define GMAC_RXDMACONFIG        0x4000
#define GMAC_RXDMADESCBASELO    0x4004
#define GMAC_RXDMADESCBASEHI    0x4008
#define GMAC_RXDMAKICK          0x4100

#define GMAC_MACPAUSE           0x6008
#define GMAC_MACPAUSE           0x6008
#define GMAC_TXMACSTATUS        0x6010
#define GMAC_TXMACCONFIG        0x6030
#define GMAC_RXMACCONFIG        0x6034
#define GMAC_MACCTRLCONFIG      0x6038
#define GMAC_XIFCONFIG          0x603c
#define GMAC_INTERPACKETGAP0    0x6040
#define GMAC_INTERPACKETGAP1    0x6044
#define GMAC_INTERPACKETGAP2    0x6048
#define GMAC_SLOTTIME           0x604c
#define GMAC_MINFRAMESIZE       0x6050
#define GMAC_MAXFRAMESIZE       0x6054
#define GMAC_PASIZE             0x6058
#define GMAC_JAMSIZE            0x605c
#define GMAC_ATTEMPTLIMIT       0x6060          /* attemptlimit */
#define GMAC_MACCNTLTYPE        0x6064
#define GMAC_MACADDRESS0        0x6080
#define GMAC_MACADDRESS1        0x6084
#define GMAC_MACADDRESS2        0x6088
#define GMAC_MACADDRESS3        0x608c
#define GMAC_MACADDRESS4        0x6090
#define GMAC_MACADDRESS5        0x6094
#define GMAC_MACADDRESS6        0x6098
#define GMAC_MACADDRESS7        0x609c
#define GMAC_MACADDRESS8        0x60a0
#define GMAC_MACADDRFILT0       0x60a4
#define GMAC_MACADDRFILT1       0x60a8
#define GMAC_MACADDRFILT2       0x60ac
#define GMAC_MACADDRFILT2_1MASK 0x60b0          /* macaddressfilter2&1mask */
#define GMAC_MACADDRFILT0MASK   0x60b4          /* macaddressfilter0mask */
#define GMAC_HASHTABLE0         0x60c0

#define GMAC_RANDOMSEED         0x6130
#define GMAC_MIFFRAMEOUTPUT     0x620c
#define GMAC_DATAPATHMODE       0x9050