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      1 /* $NetBSD: bcmgenetvar.h,v 1.6 2024/10/04 10:41:58 skrll Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2020 Jared McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 /*
     30  * Broadcom GENETv5
     31  */
     32 
     33 #ifndef _BCMGENETVAR_H
     34 #define _BCMGENETVAR_H
     35 
     36 #include <dev/ic/bcmgenetreg.h>
     37 
     38 enum genet_phy_mode {
     39 	GENET_PHY_MODE_RGMII,
     40 	GENET_PHY_MODE_RGMII_ID,
     41 	GENET_PHY_MODE_RGMII_TXID,
     42 	GENET_PHY_MODE_RGMII_RXID,
     43 };
     44 
     45 struct genet_bufmap {
     46 	bus_dmamap_t		map;
     47 	struct mbuf		*mbuf;
     48 };
     49 
     50 struct genet_ring {
     51 	bus_dma_tag_t		buf_tag;
     52 	struct genet_bufmap	buf_map[GENET_DMA_DESC_COUNT];
     53 	u_int			next, queued;
     54 	uint32_t		cidx, pidx;
     55 };
     56 
     57 struct genet_softc {
     58 	device_t		sc_dev;
     59 	bus_space_tag_t		sc_bst;
     60 	bus_space_handle_t	sc_bsh;
     61 	bus_dma_tag_t		sc_dmat;
     62 	int			sc_phy_id;
     63 	enum genet_phy_mode	sc_phy_mode;
     64 
     65 	struct ethercom		sc_ec;
     66 	struct mii_data		sc_mii;
     67 	callout_t		sc_stat_ch;
     68 	kmutex_t		sc_lock;
     69 	kmutex_t		sc_txlock;
     70 
     71 	u_short			sc_if_flags;
     72 	bool			sc_txrunning;
     73 
     74 	struct genet_ring	sc_tx;
     75 	struct genet_ring	sc_rx;
     76 
     77 	krndsource_t		sc_rndsource;
     78 };
     79 
     80 int	genet_attach(struct genet_softc *);
     81 int	genet_intr(void *);
     82 
     83 #endif /* !_BCMGENETVAR_H */
     84