/* $NetBSD: bcmgenetvar.h,v 1.6 2024/10/04 10:41:58 skrll Exp $ */

/*-
 * Copyright (c) 2020 Jared McNeill <jmcneill@invisible.ca>
 * 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.
 *
 * 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.
 */

/*
 * Broadcom GENETv5
 */

#ifndef _BCMGENETVAR_H
#define _BCMGENETVAR_H

#include <dev/ic/bcmgenetreg.h>

enum genet_phy_mode {
        GENET_PHY_MODE_RGMII,
        GENET_PHY_MODE_RGMII_ID,
        GENET_PHY_MODE_RGMII_TXID,
        GENET_PHY_MODE_RGMII_RXID,
};

struct genet_bufmap {
        bus_dmamap_t            map;
        struct mbuf             *mbuf;
};

struct genet_ring {
        bus_dma_tag_t           buf_tag;
        struct genet_bufmap     buf_map[GENET_DMA_DESC_COUNT];
        u_int                   next, queued;
        uint32_t                cidx, pidx;
};

struct genet_softc {
        device_t                sc_dev;
        bus_space_tag_t         sc_bst;
        bus_space_handle_t      sc_bsh;
        bus_dma_tag_t           sc_dmat;
        int                     sc_phy_id;
        enum genet_phy_mode     sc_phy_mode;

        struct ethercom         sc_ec;
        struct mii_data         sc_mii;
        callout_t               sc_stat_ch;
        kmutex_t                sc_lock;
        kmutex_t                sc_txlock;

        u_short                 sc_if_flags;
        bool                    sc_txrunning;

        struct genet_ring       sc_tx;
        struct genet_ring       sc_rx;

        krndsource_t            sc_rndsource;
};

int     genet_attach(struct genet_softc *);
int     genet_intr(void *);

#endif /* !_BCMGENETVAR_H */