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      1 /*	$NetBSD: elinkxlvar.h,v 1.26 2019/09/13 07:55:06 msaitoh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Frank van der Linden.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/rndsource.h>
     33 
     34 /*
     35  * Ethernet software status per interface.
     36  */
     37 struct ex_softc {
     38 	device_t sc_dev;
     39 	device_suspensor_t sc_suspensor;
     40 	pmf_qual_t sc_qual;
     41 	void *sc_ih;
     42 
     43 	struct ethercom sc_ethercom;	/* Ethernet common part		*/
     44 	bus_space_tag_t sc_iot;		/* bus cookie			*/
     45 	bus_space_handle_t sc_ioh;	/* bus i/o handle		*/
     46 	bus_dma_tag_t sc_dmat;		/* bus dma tag */
     47 	bus_dmamap_t sc_dpd_dmamap;
     48 	bus_dmamap_t sc_upd_dmamap;
     49 #define sc_upddma	sc_upd_dmamap->dm_segs[0].ds_addr
     50 #define sc_dpddma	sc_dpd_dmamap->dm_segs[0].ds_addr
     51 	struct ex_upd *sc_upd;
     52 	struct ex_dpd *sc_dpd;
     53 	bus_dmamap_t sc_tx_dmamaps[EX_NDPD];	/* DMA maps for DPDs	*/
     54 	bus_dmamap_t sc_rx_dmamaps[EX_NUPD];	/* DMA maps for UPDs	*/
     55 	struct ex_rxdesc sc_rxdescs[EX_NUPD];
     56 	struct ex_txdesc sc_txdescs[EX_NDPD];
     57 
     58 	struct ex_rxdesc *rx_head;
     59 	struct ex_rxdesc *rx_tail;
     60 
     61 	struct ex_txdesc *tx_head;
     62 	struct ex_txdesc *tx_tail;
     63 	struct ex_txdesc *tx_free;
     64 	struct ex_txdesc *tx_ftail;
     65 
     66 	int tx_start_thresh;		/* Current TX_start_thresh.     */
     67 	int tx_succ_ok;			/* # packets sent in sequence   */
     68 
     69 	u_int ex_connectors;		/* Connectors on this card.	*/
     70 	mii_data_t ex_mii;		/* mii bus data 		*/
     71 	struct callout ex_mii_callout;	/* mii callout			*/
     72 	u_int ex_conf;			/* config flags */
     73 
     74 #define EX_CONF_MII		0x0001	/* has MII bus */
     75 #define EX_CONF_INTPHY		0x0002	/* has internal PHY */
     76 #define EX_CONF_90XB		0x0004	/* is 90xB */
     77 #define EX_CONF_INV_LED_POLARITY 0x0010	/* CardBus & MiniPCI: LED polarity */
     78 #define EX_CONF_PHY_POWER	0x0020	/* CardBus & MiniPCI: PHY power */
     79 #define EX_CONF_EEPROM_OFF	0x0040	/* EEPROM is offset by 0x30 */
     80 #define EX_CONF_EEPROM_8BIT	0x0080	/* 8 bit EEPROM */
     81 #define EX_CONF_PCI_FUNCREG	0x0100	/* Has PCI function registers */
     82 #define EX_CONF_RESETHACK	0x0200	/* Hack to make reset work on 556B */
     83 #define EX_CONF_NO_XCVR_PWR	0x0400	/* Hack to enable later 556B xcvr */
     84 
     85 #define EX_XCVR_PWR_MAGICBITS	0x0900	/* NO_XCVR_PWR magic value */
     86 
     87 
     88 	/*
     89 	 * XXX code duplication from elink3var.h
     90 	 */
     91 	u_int	ex_flags;		/* capabilities flag (from EEPROM) */
     92 #define EX_FLAGS_PNP			0x0001
     93 #define EX_FLAGS_FULLDUPLEX		0x0002
     94 #define EX_FLAGS_LARGEPKT		0x0004	/* 4k packet support */
     95 #define EX_FLAGS_SLAVEDMA		0x0008
     96 #define EX_FLAGS_SECONDDMA		0x0010
     97 #define EX_FLAGS_FULLDMA		0x0020
     98 #define EX_FLAGS_FRAGMENTDMA		0x0040
     99 #define EX_FLAGS_CRC_PASSTHRU		0x0080
    100 #define EX_FLAGS_TXDONE			0x0100
    101 #define EX_FLAGS_NO_TXLENGTH		0x0200
    102 #define EX_FLAGS_RXREPEAT		0x0400
    103 #define EX_FLAGS_SNOOPING		0x0800
    104 #define EX_FLAGS_100MBIT		0x1000
    105 #define EX_FLAGS_POWERMGMT		0x2000
    106 #define EX_FLAGS_ATTACHED		0x4000	/* attach has succeeded */
    107 
    108 	krndsource_t rnd_source;
    109 
    110 	/* power management hooks */
    111 	int (*enable)(struct ex_softc *);
    112 	void (*disable)(struct ex_softc *);
    113 	int enabled;
    114 
    115 	/* interrupt acknowledge hook */
    116 	void (*intr_ack)(struct ex_softc *);
    117 
    118 	bus_dma_segment_t sc_useg, sc_dseg;
    119 	int sc_urseg, sc_drseg;
    120 
    121 	u_short sc_if_flags;
    122 };
    123 
    124 #define ex_waitcmd(sc) \
    125 	do { \
    126 		int stat; \
    127 		do { \
    128 			stat = bus_space_read_2((sc)->sc_iot, (sc)->sc_ioh, \
    129 			    ELINK_STATUS); \
    130 		} while ((stat & COMMAND_IN_PROGRESS) && (stat != 0xffff)); \
    131 	} while (0)\
    132 
    133 u_int16_t exreadeeprom(bus_space_tag_t, bus_space_handle_t, int);
    134 void	ex_config(struct ex_softc *);
    135 
    136 int	ex_intr(void *);
    137 void	ex_stop(struct ifnet *, int);
    138 void	ex_watchdog(struct ifnet *);
    139 int	ex_ioctl(struct ifnet *ifp, u_long, void *);
    140 int	ex_activate(device_t, enum devact);
    141 int	ex_detach(struct ex_softc *);
    142 
    143 int	ex_enable(struct ex_softc *);
    144 void	ex_disable(struct ex_softc *);
    145