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tulip.c revision 1.17
      1  1.17  thorpej /*	$NetBSD: tulip.c,v 1.17 1999/09/25 00:27:00 thorpej Exp $	*/
      2   1.1  thorpej 
      3   1.1  thorpej /*-
      4   1.1  thorpej  * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
      5   1.1  thorpej  * All rights reserved.
      6   1.1  thorpej  *
      7   1.1  thorpej  * This code is derived from software contributed to The NetBSD Foundation
      8   1.1  thorpej  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9   1.1  thorpej  * NASA Ames Research Center.
     10   1.1  thorpej  *
     11   1.1  thorpej  * Redistribution and use in source and binary forms, with or without
     12   1.1  thorpej  * modification, are permitted provided that the following conditions
     13   1.1  thorpej  * are met:
     14   1.1  thorpej  * 1. Redistributions of source code must retain the above copyright
     15   1.1  thorpej  *    notice, this list of conditions and the following disclaimer.
     16   1.1  thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     17   1.1  thorpej  *    notice, this list of conditions and the following disclaimer in the
     18   1.1  thorpej  *    documentation and/or other materials provided with the distribution.
     19   1.1  thorpej  * 3. All advertising materials mentioning features or use of this software
     20   1.1  thorpej  *    must display the following acknowledgement:
     21   1.1  thorpej  *	This product includes software developed by the NetBSD
     22   1.1  thorpej  *	Foundation, Inc. and its contributors.
     23   1.1  thorpej  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24   1.1  thorpej  *    contributors may be used to endorse or promote products derived
     25   1.1  thorpej  *    from this software without specific prior written permission.
     26   1.1  thorpej  *
     27   1.1  thorpej  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28   1.1  thorpej  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29   1.1  thorpej  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30   1.1  thorpej  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31   1.1  thorpej  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32   1.1  thorpej  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33   1.1  thorpej  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34   1.1  thorpej  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35   1.1  thorpej  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36   1.1  thorpej  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37   1.1  thorpej  * POSSIBILITY OF SUCH DAMAGE.
     38   1.1  thorpej  */
     39   1.1  thorpej 
     40   1.1  thorpej /*
     41   1.1  thorpej  * Device driver for the Digital Semiconductor ``Tulip'' (21x4x)
     42   1.1  thorpej  * Ethernet controller family, and a variety of clone chips.
     43   1.1  thorpej  */
     44   1.1  thorpej 
     45   1.1  thorpej #include "opt_inet.h"
     46   1.1  thorpej #include "opt_ns.h"
     47   1.1  thorpej #include "bpfilter.h"
     48   1.1  thorpej 
     49   1.1  thorpej #include <sys/param.h>
     50   1.1  thorpej #include <sys/systm.h>
     51   1.1  thorpej #include <sys/mbuf.h>
     52   1.1  thorpej #include <sys/malloc.h>
     53   1.1  thorpej #include <sys/kernel.h>
     54   1.1  thorpej #include <sys/socket.h>
     55   1.1  thorpej #include <sys/ioctl.h>
     56   1.1  thorpej #include <sys/errno.h>
     57   1.1  thorpej #include <sys/device.h>
     58   1.1  thorpej 
     59   1.1  thorpej #include <vm/vm.h>		/* for PAGE_SIZE */
     60   1.1  thorpej 
     61   1.1  thorpej #include <net/if.h>
     62   1.1  thorpej #include <net/if_dl.h>
     63   1.1  thorpej #include <net/if_media.h>
     64   1.1  thorpej #include <net/if_ether.h>
     65   1.1  thorpej 
     66   1.1  thorpej #if NBPFILTER > 0
     67   1.1  thorpej #include <net/bpf.h>
     68   1.1  thorpej #endif
     69   1.1  thorpej 
     70   1.1  thorpej #ifdef INET
     71   1.1  thorpej #include <netinet/in.h>
     72   1.1  thorpej #include <netinet/if_inarp.h>
     73   1.1  thorpej #endif
     74   1.1  thorpej 
     75   1.1  thorpej #ifdef NS
     76   1.1  thorpej #include <netns/ns.h>
     77   1.1  thorpej #include <netns/ns_if.h>
     78   1.1  thorpej #endif
     79   1.1  thorpej 
     80   1.1  thorpej #include <machine/bus.h>
     81   1.1  thorpej #include <machine/intr.h>
     82   1.1  thorpej 
     83   1.1  thorpej #include <dev/mii/mii.h>
     84   1.1  thorpej #include <dev/mii/miivar.h>
     85   1.1  thorpej 
     86   1.1  thorpej #include <dev/ic/tulipreg.h>
     87   1.1  thorpej #include <dev/ic/tulipvar.h>
     88   1.1  thorpej 
     89   1.1  thorpej /*
     90   1.1  thorpej  * The following tables compute the transmit threshold mode.  We start
     91   1.1  thorpej  * at index 0.  When ever we get a transmit underrun, we increment our
     92   1.1  thorpej  * index, falling back if we encounter the NULL terminator.
     93   1.1  thorpej  *
     94   1.1  thorpej  * Note: Store and forward mode is only available on the 100mbps chips
     95   1.1  thorpej  * (21140 and higher).
     96   1.1  thorpej  */
     97   1.1  thorpej const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = {
     98   1.1  thorpej 	{ OPMODE_TR_72,		"72 bytes" },
     99   1.1  thorpej 	{ OPMODE_TR_96,		"96 bytes" },
    100   1.1  thorpej 	{ OPMODE_TR_128,	"128 bytes" },
    101   1.1  thorpej 	{ OPMODE_TR_160,	"160 bytes" },
    102   1.1  thorpej 	{ 0,			NULL },
    103   1.1  thorpej };
    104   1.1  thorpej 
    105   1.1  thorpej const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = {
    106   1.1  thorpej 	{ OPMODE_TR_72,		"72/128 bytes" },
    107   1.1  thorpej 	{ OPMODE_TR_96,		"96/256 bytes" },
    108   1.1  thorpej 	{ OPMODE_TR_128,	"128/512 bytes" },
    109   1.1  thorpej 	{ OPMODE_TR_160,	"160/1024 bytes" },
    110   1.1  thorpej 	{ OPMODE_SF,		"store and forward mode" },
    111   1.1  thorpej 	{ 0,			NULL },
    112   1.1  thorpej };
    113   1.1  thorpej 
    114   1.3  thorpej #define	TXTH_72		0
    115   1.3  thorpej #define	TXTH_96		1
    116   1.3  thorpej #define	TXTH_128	2
    117   1.3  thorpej #define	TXTH_160	3
    118   1.3  thorpej #define	TXTH_SF		4
    119   1.3  thorpej 
    120   1.5  thorpej /*
    121   1.5  thorpej  * The Winbond 89C840F does transmit threshold control totally
    122   1.5  thorpej  * differently.  It simply has a 7-bit field which indicates
    123   1.5  thorpej  * the threshold:
    124   1.5  thorpej  *
    125   1.5  thorpej  *	txth = ((OPMODE & OPMODE_WINB_TTH) >> OPMODE_WINB_TTH_SHIFT) * 16;
    126   1.5  thorpej  *
    127   1.5  thorpej  * However, we just do Store-and-Forward mode on these chips, since
    128   1.5  thorpej  * the DMA engines seem to be flaky.
    129   1.5  thorpej  */
    130   1.5  thorpej const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = {
    131   1.5  thorpej 	{ 0,			"store and forward mode" },
    132   1.5  thorpej 	{ 0,			NULL },
    133   1.5  thorpej };
    134   1.5  thorpej 
    135   1.5  thorpej #define	TXTH_WINB_SF	0
    136   1.5  thorpej 
    137   1.1  thorpej void	tlp_start __P((struct ifnet *));
    138   1.1  thorpej void	tlp_watchdog __P((struct ifnet *));
    139   1.1  thorpej int	tlp_ioctl __P((struct ifnet *, u_long, caddr_t));
    140   1.1  thorpej 
    141   1.1  thorpej void	tlp_shutdown __P((void *));
    142   1.1  thorpej 
    143   1.1  thorpej void	tlp_reset __P((struct tulip_softc *));
    144   1.1  thorpej int	tlp_init __P((struct tulip_softc *));
    145   1.1  thorpej void	tlp_rxdrain __P((struct tulip_softc *));
    146   1.1  thorpej void	tlp_stop __P((struct tulip_softc *, int));
    147   1.1  thorpej int	tlp_add_rxbuf __P((struct tulip_softc *, int));
    148   1.1  thorpej void	tlp_idle __P((struct tulip_softc *, u_int32_t));
    149   1.1  thorpej void	tlp_srom_idle __P((struct tulip_softc *));
    150   1.1  thorpej 
    151   1.1  thorpej void	tlp_filter_setup __P((struct tulip_softc *));
    152   1.1  thorpej void	tlp_winb_filter_setup __P((struct tulip_softc *));
    153   1.1  thorpej 
    154   1.1  thorpej void	tlp_rxintr __P((struct tulip_softc *));
    155   1.1  thorpej void	tlp_txintr __P((struct tulip_softc *));
    156   1.1  thorpej 
    157   1.1  thorpej void	tlp_mii_tick __P((void *));
    158   1.1  thorpej void	tlp_mii_statchg __P((struct device *));
    159   1.5  thorpej void	tlp_winb_mii_statchg __P((struct device *));
    160   1.1  thorpej 
    161   1.1  thorpej void	tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *));
    162   1.1  thorpej int	tlp_mii_setmedia __P((struct tulip_softc *));
    163   1.1  thorpej 
    164   1.1  thorpej void	tlp_sio_mii_sync __P((struct tulip_softc *));
    165   1.1  thorpej void	tlp_sio_mii_sendbits __P((struct tulip_softc *, u_int32_t, int));
    166   1.1  thorpej int	tlp_sio_mii_readreg __P((struct device *, int, int));
    167   1.1  thorpej void	tlp_sio_mii_writereg __P((struct device *, int, int, int));
    168   1.1  thorpej 
    169   1.1  thorpej int	tlp_pnic_mii_readreg __P((struct device *, int, int));
    170   1.1  thorpej void	tlp_pnic_mii_writereg __P((struct device *, int, int, int));
    171   1.1  thorpej 
    172  1.13  thorpej void	tlp_2114x_preinit __P((struct tulip_softc *));
    173  1.13  thorpej void	tlp_pnic_preinit __P((struct tulip_softc *));
    174  1.13  thorpej 
    175  1.17  thorpej void	tlp_21140_reset __P((struct tulip_softc *));
    176  1.17  thorpej 
    177   1.1  thorpej u_int32_t tlp_crc32 __P((const u_int8_t *, size_t));
    178   1.1  thorpej #define	tlp_mchash(addr)	(tlp_crc32((addr), ETHER_ADDR_LEN) &	\
    179   1.1  thorpej 				 (TULIP_MCHASHSIZE - 1))
    180   1.1  thorpej 
    181   1.1  thorpej #ifdef TLP_DEBUG
    182   1.5  thorpej #define	DPRINTF(sc, x)	if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \
    183   1.5  thorpej 				printf x
    184   1.1  thorpej #else
    185   1.5  thorpej #define	DPRINTF(sc, x)	/* nothing */
    186   1.1  thorpej #endif
    187   1.1  thorpej 
    188   1.1  thorpej /*
    189   1.1  thorpej  * tlp_attach:
    190   1.1  thorpej  *
    191   1.1  thorpej  *	Attach a Tulip interface to the system.
    192   1.1  thorpej  */
    193   1.1  thorpej void
    194   1.9  thorpej tlp_attach(sc, enaddr)
    195   1.1  thorpej 	struct tulip_softc *sc;
    196   1.1  thorpej 	const u_int8_t *enaddr;
    197   1.1  thorpej {
    198   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
    199   1.1  thorpej 	int i, rseg, error;
    200   1.1  thorpej 	bus_dma_segment_t seg;
    201   1.1  thorpej 
    202   1.1  thorpej 	/*
    203   1.1  thorpej 	 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift!
    204   1.1  thorpej 	 */
    205   1.1  thorpej 
    206   1.1  thorpej 	/*
    207   1.1  thorpej 	 * Setup the transmit threshold table.
    208   1.1  thorpej 	 */
    209   1.1  thorpej 	switch (sc->sc_chip) {
    210   1.1  thorpej 	case TULIP_CHIP_DE425:
    211   1.1  thorpej 	case TULIP_CHIP_21040:
    212   1.1  thorpej 	case TULIP_CHIP_21041:
    213   1.1  thorpej 		sc->sc_txth = tlp_10_txthresh_tab;
    214   1.1  thorpej 		break;
    215   1.1  thorpej 
    216   1.1  thorpej 	default:
    217   1.1  thorpej 		sc->sc_txth = tlp_10_100_txthresh_tab;
    218   1.1  thorpej 		break;
    219   1.1  thorpej 	}
    220   1.1  thorpej 
    221   1.1  thorpej 	/*
    222   1.1  thorpej 	 * Setup the filter setup function.
    223   1.1  thorpej 	 */
    224   1.1  thorpej 	switch (sc->sc_chip) {
    225   1.1  thorpej 	case TULIP_CHIP_WB89C840F:
    226   1.1  thorpej 		sc->sc_filter_setup = tlp_winb_filter_setup;
    227   1.1  thorpej 		break;
    228   1.1  thorpej 
    229   1.1  thorpej 	default:
    230   1.1  thorpej 		sc->sc_filter_setup = tlp_filter_setup;
    231   1.1  thorpej 		break;
    232   1.1  thorpej 	}
    233   1.1  thorpej 
    234   1.2  thorpej 	/*
    235   1.5  thorpej 	 * Set up the media status change function.
    236   1.5  thorpej 	 */
    237   1.5  thorpej 	switch (sc->sc_chip) {
    238   1.5  thorpej 	case TULIP_CHIP_WB89C840F:
    239   1.5  thorpej 		sc->sc_statchg = tlp_winb_mii_statchg;
    240   1.5  thorpej 		break;
    241   1.5  thorpej 
    242   1.5  thorpej 	default:
    243   1.7  thorpej 		/*
    244   1.7  thorpej 		 * We may override this if we have special media
    245   1.7  thorpej 		 * handling requirements (e.g. flipping GPIO pins).
    246   1.7  thorpej 		 *
    247   1.7  thorpej 		 * The pure-MII statchg function covers the basics.
    248   1.7  thorpej 		 */
    249   1.5  thorpej 		sc->sc_statchg = tlp_mii_statchg;
    250   1.5  thorpej 		break;
    251   1.5  thorpej 	}
    252   1.5  thorpej 
    253   1.5  thorpej 	/*
    254   1.2  thorpej 	 * Set up various chip-specific quirks.
    255   1.2  thorpej 	 */
    256   1.2  thorpej 	switch (sc->sc_chip) {
    257  1.13  thorpej 	case TULIP_CHIP_21140:
    258  1.13  thorpej 	case TULIP_CHIP_21140A:
    259  1.13  thorpej 	case TULIP_CHIP_21142:
    260  1.13  thorpej 	case TULIP_CHIP_21143:
    261  1.13  thorpej 		sc->sc_preinit = tlp_2114x_preinit;
    262  1.13  thorpej 		break;
    263  1.13  thorpej 
    264   1.3  thorpej 	case TULIP_CHIP_82C168:
    265   1.3  thorpej 	case TULIP_CHIP_82C169:
    266  1.13  thorpej 		sc->sc_preinit = tlp_pnic_preinit;
    267  1.13  thorpej 
    268   1.3  thorpej 		/*
    269   1.3  thorpej 		 * These chips seem to have busted DMA engines; just put them
    270   1.3  thorpej 		 * in Store-and-Forward mode from the get-go.
    271   1.3  thorpej 		 */
    272   1.3  thorpej 		sc->sc_txthresh = TXTH_SF;
    273   1.3  thorpej 		break;
    274   1.3  thorpej 
    275   1.2  thorpej 	case TULIP_CHIP_WB89C840F:
    276   1.2  thorpej 		sc->sc_flags |= TULIPF_IC_FS;
    277   1.2  thorpej 		break;
    278   1.2  thorpej 
    279   1.2  thorpej 	default:
    280   1.2  thorpej 		/* Nothing. */
    281   1.2  thorpej 	}
    282   1.2  thorpej 
    283   1.1  thorpej 	SIMPLEQ_INIT(&sc->sc_txfreeq);
    284   1.1  thorpej 	SIMPLEQ_INIT(&sc->sc_txdirtyq);
    285   1.1  thorpej 
    286   1.1  thorpej 	/*
    287   1.1  thorpej 	 * Allocate the control data structures, and create and load the
    288   1.1  thorpej 	 * DMA map for it.
    289   1.1  thorpej 	 */
    290   1.1  thorpej 	if ((error = bus_dmamem_alloc(sc->sc_dmat,
    291   1.1  thorpej 	    sizeof(struct tulip_control_data), PAGE_SIZE, 0, &seg, 1, &rseg,
    292   1.1  thorpej 	    0)) != 0) {
    293   1.1  thorpej 		printf("%s: unable to allocate control data, error = %d\n",
    294   1.1  thorpej 		    sc->sc_dev.dv_xname, error);
    295   1.1  thorpej 		goto fail_0;
    296   1.1  thorpej 	}
    297   1.1  thorpej 
    298   1.1  thorpej 	if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg,
    299   1.1  thorpej 	    sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data,
    300   1.1  thorpej 	    BUS_DMA_COHERENT)) != 0) {
    301   1.1  thorpej 		printf("%s: unable to map control data, error = %d\n",
    302   1.1  thorpej 		    sc->sc_dev.dv_xname, error);
    303   1.1  thorpej 		goto fail_1;
    304   1.1  thorpej 	}
    305   1.1  thorpej 
    306   1.1  thorpej 	if ((error = bus_dmamap_create(sc->sc_dmat,
    307   1.1  thorpej 	    sizeof(struct tulip_control_data), 1,
    308   1.1  thorpej 	    sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) {
    309   1.1  thorpej 		printf("%s: unable to create control data DMA map, "
    310   1.1  thorpej 		    "error = %d\n", sc->sc_dev.dv_xname, error);
    311   1.1  thorpej 		goto fail_2;
    312   1.1  thorpej 	}
    313   1.1  thorpej 
    314   1.1  thorpej 	if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap,
    315   1.1  thorpej 	    sc->sc_control_data, sizeof(struct tulip_control_data), NULL,
    316   1.1  thorpej 	    0)) != 0) {
    317   1.1  thorpej 		printf("%s: unable to load control data DMA map, error = %d\n",
    318   1.1  thorpej 		    sc->sc_dev.dv_xname, error);
    319   1.1  thorpej 		goto fail_3;
    320   1.1  thorpej 	}
    321   1.1  thorpej 
    322   1.1  thorpej 	/*
    323   1.1  thorpej 	 * Create the transmit buffer DMA maps.
    324   1.1  thorpej 	 */
    325   1.1  thorpej 	for (i = 0; i < TULIP_TXQUEUELEN; i++) {
    326   1.1  thorpej 		if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES,
    327   1.1  thorpej 		    TULIP_NTXSEGS, MCLBYTES, 0, 0,
    328   1.1  thorpej 		    &sc->sc_txsoft[i].txs_dmamap)) != 0) {
    329   1.1  thorpej 			printf("%s: unable to create tx DMA map %d, "
    330   1.1  thorpej 			    "error = %d\n", sc->sc_dev.dv_xname, i, error);
    331   1.1  thorpej 			goto fail_4;
    332   1.1  thorpej 		}
    333   1.1  thorpej 	}
    334   1.1  thorpej 
    335   1.1  thorpej 	/*
    336   1.1  thorpej 	 * Create the recieve buffer DMA maps.
    337   1.1  thorpej 	 */
    338   1.1  thorpej 	for (i = 0; i < TULIP_NRXDESC; i++) {
    339   1.1  thorpej 		if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1,
    340   1.1  thorpej 		    MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) {
    341   1.1  thorpej 			printf("%s: unable to create rx DMA map %d, "
    342   1.1  thorpej 			    "error = %d\n", sc->sc_dev.dv_xname, i, error);
    343   1.1  thorpej 			goto fail_5;
    344   1.1  thorpej 		}
    345   1.1  thorpej 		sc->sc_rxsoft[i].rxs_mbuf = NULL;
    346   1.1  thorpej 	}
    347   1.1  thorpej 
    348   1.1  thorpej 	/*
    349   1.1  thorpej 	 * Reset the chip to a known state.
    350   1.1  thorpej 	 */
    351   1.1  thorpej 	tlp_reset(sc);
    352   1.1  thorpej 
    353   1.1  thorpej 	/* Announce ourselves. */
    354   1.1  thorpej 	printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname,
    355   1.9  thorpej 	    sc->sc_name[0] != '\0' ? sc->sc_name : "",
    356   1.9  thorpej 	    sc->sc_name[0] != '\0' ? ", " : "",
    357   1.1  thorpej 	    ether_sprintf(enaddr));
    358   1.1  thorpej 
    359   1.1  thorpej 	/*
    360   1.1  thorpej 	 * Initialize our media structures.  This may probe the MII, if
    361   1.1  thorpej 	 * present.
    362   1.1  thorpej 	 */
    363   1.1  thorpej 	(*sc->sc_mediasw->tmsw_init)(sc);
    364   1.1  thorpej 
    365   1.1  thorpej 	ifp = &sc->sc_ethercom.ec_if;
    366   1.1  thorpej 	strcpy(ifp->if_xname, sc->sc_dev.dv_xname);
    367   1.1  thorpej 	ifp->if_softc = sc;
    368   1.1  thorpej 	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
    369   1.1  thorpej 	ifp->if_ioctl = tlp_ioctl;
    370   1.1  thorpej 	ifp->if_start = tlp_start;
    371   1.1  thorpej 	ifp->if_watchdog = tlp_watchdog;
    372   1.1  thorpej 
    373   1.1  thorpej 	/*
    374   1.1  thorpej 	 * Attach the interface.
    375   1.1  thorpej 	 */
    376   1.1  thorpej 	if_attach(ifp);
    377   1.1  thorpej 	ether_ifattach(ifp, enaddr);
    378   1.1  thorpej #if NBPFILTER > 0
    379   1.1  thorpej 	bpfattach(&sc->sc_ethercom.ec_if.if_bpf, ifp, DLT_EN10MB,
    380   1.1  thorpej 	    sizeof(struct ether_header));
    381   1.1  thorpej #endif
    382   1.1  thorpej 
    383   1.1  thorpej 	/*
    384   1.1  thorpej 	 * Make sure the interface is shutdown during reboot.
    385   1.1  thorpej 	 */
    386   1.1  thorpej 	sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc);
    387   1.1  thorpej 	if (sc->sc_sdhook == NULL)
    388   1.1  thorpej 		printf("%s: WARNING: unable to establish shutdown hook\n",
    389   1.1  thorpej 		    sc->sc_dev.dv_xname);
    390   1.1  thorpej 	return;
    391   1.1  thorpej 
    392   1.1  thorpej 	/*
    393   1.1  thorpej 	 * Free any resources we've allocated during the failed attach
    394   1.1  thorpej 	 * attempt.  Do this in reverse order and fall through.
    395   1.1  thorpej 	 */
    396   1.1  thorpej  fail_5:
    397   1.1  thorpej 	for (i = 0; i < TULIP_NRXDESC; i++) {
    398   1.1  thorpej 		if (sc->sc_rxsoft[i].rxs_dmamap != NULL)
    399   1.1  thorpej 			bus_dmamap_destroy(sc->sc_dmat,
    400   1.1  thorpej 			    sc->sc_rxsoft[i].rxs_dmamap);
    401   1.1  thorpej 	}
    402   1.1  thorpej  fail_4:
    403   1.1  thorpej 	for (i = 0; i < TULIP_TXQUEUELEN; i++) {
    404   1.1  thorpej 		if (sc->sc_txsoft[i].txs_dmamap != NULL)
    405   1.1  thorpej 			bus_dmamap_destroy(sc->sc_dmat,
    406   1.1  thorpej 			    sc->sc_txsoft[i].txs_dmamap);
    407   1.1  thorpej 	}
    408   1.1  thorpej 	bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap);
    409   1.1  thorpej  fail_3:
    410   1.1  thorpej 	bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap);
    411   1.1  thorpej  fail_2:
    412   1.1  thorpej 	bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data,
    413   1.1  thorpej 	    sizeof(struct tulip_control_data));
    414   1.1  thorpej  fail_1:
    415   1.1  thorpej 	bus_dmamem_free(sc->sc_dmat, &seg, rseg);
    416   1.1  thorpej  fail_0:
    417   1.1  thorpej 	return;
    418   1.1  thorpej }
    419   1.1  thorpej 
    420   1.1  thorpej /*
    421   1.1  thorpej  * tlp_shutdown:
    422   1.1  thorpej  *
    423   1.1  thorpej  *	Make sure the interface is stopped at reboot time.
    424   1.1  thorpej  */
    425   1.1  thorpej void
    426   1.1  thorpej tlp_shutdown(arg)
    427   1.1  thorpej 	void *arg;
    428   1.1  thorpej {
    429   1.1  thorpej 	struct tulip_softc *sc = arg;
    430   1.1  thorpej 
    431   1.1  thorpej 	tlp_stop(sc, 1);
    432   1.1  thorpej }
    433   1.1  thorpej 
    434   1.1  thorpej /*
    435   1.1  thorpej  * tlp_start:		[ifnet interface function]
    436   1.1  thorpej  *
    437   1.1  thorpej  *	Start packet transmission on the interface.
    438   1.1  thorpej  */
    439   1.1  thorpej void
    440   1.1  thorpej tlp_start(ifp)
    441   1.1  thorpej 	struct ifnet *ifp;
    442   1.1  thorpej {
    443   1.1  thorpej 	struct tulip_softc *sc = ifp->if_softc;
    444   1.1  thorpej 	struct mbuf *m0, *m;
    445   1.2  thorpej 	struct tulip_txsoft *txs, *last_txs;
    446   1.1  thorpej 	bus_dmamap_t dmamap;
    447   1.1  thorpej 	int error, firsttx, nexttx, lasttx, ofree, seg;
    448   1.1  thorpej 
    449   1.5  thorpej 	DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n",
    450   1.1  thorpej 	    sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags));
    451   1.1  thorpej 
    452   1.1  thorpej 	/*
    453   1.1  thorpej 	 * If we want a filter setup, it means no more descriptors were
    454   1.1  thorpej 	 * available for the setup routine.  Let it get a chance to wedge
    455   1.1  thorpej 	 * itself into the ring.
    456   1.1  thorpej 	 */
    457   1.1  thorpej 	if (sc->sc_flags & TULIPF_WANT_SETUP)
    458   1.1  thorpej 		ifp->if_flags |= IFF_OACTIVE;
    459   1.1  thorpej 
    460   1.1  thorpej 	if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING)
    461   1.1  thorpej 		return;
    462   1.1  thorpej 
    463   1.1  thorpej 	/*
    464   1.1  thorpej 	 * Remember the previous number of free descriptors and
    465   1.1  thorpej 	 * the first descriptor we'll use.
    466   1.1  thorpej 	 */
    467   1.1  thorpej 	ofree = sc->sc_txfree;
    468   1.1  thorpej 	firsttx = sc->sc_txnext;
    469   1.1  thorpej 
    470   1.5  thorpej 	DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n",
    471   1.1  thorpej 	    sc->sc_dev.dv_xname, ofree, firsttx));
    472   1.1  thorpej 
    473   1.1  thorpej 	/*
    474   1.1  thorpej 	 * Loop through the send queue, setting up transmit descriptors
    475   1.1  thorpej 	 * until we drain the queue, or use up all available transmit
    476   1.1  thorpej 	 * descriptors.
    477   1.1  thorpej 	 */
    478   1.1  thorpej 	while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL &&
    479   1.1  thorpej 	       sc->sc_txfree != 0) {
    480   1.1  thorpej 		/*
    481   1.1  thorpej 		 * Grab a packet off the queue.
    482   1.1  thorpej 		 */
    483   1.1  thorpej 		IF_DEQUEUE(&ifp->if_snd, m0);
    484   1.1  thorpej 		if (m0 == NULL)
    485   1.1  thorpej 			break;
    486   1.1  thorpej 
    487   1.1  thorpej 		dmamap = txs->txs_dmamap;
    488   1.1  thorpej 
    489   1.1  thorpej 		/*
    490   1.1  thorpej 		 * Load the DMA map.  If this fails, the packet either
    491   1.1  thorpej 		 * didn't fit in the alloted number of segments, or we were
    492   1.1  thorpej 		 * short on resources.  In this case, we'll copy and try
    493   1.1  thorpej 		 * again.
    494   1.1  thorpej 		 */
    495   1.1  thorpej 		if (bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0,
    496   1.1  thorpej 		    BUS_DMA_NOWAIT) != 0) {
    497   1.1  thorpej 			MGETHDR(m, M_DONTWAIT, MT_DATA);
    498   1.1  thorpej 			if (m == NULL) {
    499   1.1  thorpej 				printf("%s: unable to allocate Tx mbuf\n",
    500   1.1  thorpej 				    sc->sc_dev.dv_xname);
    501   1.1  thorpej 				IF_PREPEND(&ifp->if_snd, m0);
    502   1.1  thorpej 				break;
    503   1.1  thorpej 			}
    504   1.1  thorpej 			if (m0->m_pkthdr.len > MHLEN) {
    505   1.1  thorpej 				MCLGET(m, M_DONTWAIT);
    506   1.1  thorpej 				if ((m->m_flags & M_EXT) == 0) {
    507   1.1  thorpej 					printf("%s: unable to allocate Tx "
    508   1.1  thorpej 					    "cluster\n", sc->sc_dev.dv_xname);
    509   1.1  thorpej 					m_freem(m);
    510   1.1  thorpej 					IF_PREPEND(&ifp->if_snd, m0);
    511   1.1  thorpej 					break;
    512   1.1  thorpej 				}
    513   1.1  thorpej 			}
    514   1.1  thorpej 			m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t));
    515   1.1  thorpej 			m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len;
    516   1.1  thorpej 			m_freem(m0);
    517   1.1  thorpej 			m0 = m;
    518   1.1  thorpej 			error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap,
    519   1.1  thorpej 			    m0, BUS_DMA_NOWAIT);
    520   1.1  thorpej 			if (error) {
    521   1.1  thorpej 				printf("%s: unable to load Tx buffer, "
    522   1.1  thorpej 				    "error = %d\n", sc->sc_dev.dv_xname, error);
    523   1.1  thorpej 				IF_PREPEND(&ifp->if_snd, m0);
    524   1.1  thorpej 				break;
    525   1.1  thorpej 			}
    526   1.1  thorpej 		}
    527   1.1  thorpej 
    528   1.1  thorpej 		/*
    529   1.1  thorpej 		 * Ensure we have enough descriptors free to describe
    530   1.1  thorpej 		 * the packet.
    531   1.1  thorpej 		 */
    532   1.1  thorpej 		if (dmamap->dm_nsegs > sc->sc_txfree) {
    533   1.1  thorpej 			/*
    534   1.1  thorpej 			 * Not enough free descriptors to transmit this
    535   1.1  thorpej 			 * packet.  We haven't committed to anything yet,
    536   1.1  thorpej 			 * so just unload the DMA map, put the packet
    537   1.1  thorpej 			 * back on the queue, and punt.  Notify the upper
    538   1.1  thorpej 			 * layer that there are no more slots left.
    539   1.1  thorpej 			 *
    540   1.1  thorpej 			 * XXX We could allocate an mbuf and copy, but
    541   1.1  thorpej 			 * XXX it is worth it?
    542   1.1  thorpej 			 */
    543   1.1  thorpej 			ifp->if_flags |= IFF_OACTIVE;
    544   1.1  thorpej 			bus_dmamap_unload(sc->sc_dmat, dmamap);
    545   1.1  thorpej 			IF_PREPEND(&ifp->if_snd, m0);
    546   1.1  thorpej 			break;
    547   1.1  thorpej 		}
    548   1.1  thorpej 
    549   1.1  thorpej 		/*
    550   1.1  thorpej 		 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET.
    551   1.1  thorpej 		 */
    552   1.1  thorpej 
    553   1.1  thorpej 		/* Sync the DMA map. */
    554   1.1  thorpej 		bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize,
    555   1.1  thorpej 		    BUS_DMASYNC_PREWRITE);
    556   1.1  thorpej 
    557   1.1  thorpej 		/*
    558   1.1  thorpej 		 * Initialize the transmit descriptors.
    559   1.1  thorpej 		 */
    560   1.1  thorpej 		for (nexttx = sc->sc_txnext, seg = 0;
    561   1.1  thorpej 		     seg < dmamap->dm_nsegs;
    562   1.1  thorpej 		     seg++, nexttx = TULIP_NEXTTX(nexttx)) {
    563   1.1  thorpej 			/*
    564   1.1  thorpej 			 * If this is the first descriptor we're
    565   1.1  thorpej 			 * enqueueing, don't set the OWN bit just
    566   1.1  thorpej 			 * yet.  That could cause a race condition.
    567   1.1  thorpej 			 * We'll do it below.
    568   1.1  thorpej 			 */
    569   1.1  thorpej 			sc->sc_txdescs[nexttx].td_status =
    570   1.1  thorpej 			    (nexttx == firsttx) ? 0 : TDSTAT_OWN;
    571   1.1  thorpej 			sc->sc_txdescs[nexttx].td_bufaddr1 =
    572   1.1  thorpej 			    dmamap->dm_segs[seg].ds_addr;
    573   1.1  thorpej 			sc->sc_txdescs[nexttx].td_ctl =
    574   1.1  thorpej 			    (dmamap->dm_segs[seg].ds_len << TDCTL_SIZE1_SHIFT) |
    575   1.1  thorpej 			    TDCTL_CH;
    576   1.1  thorpej 			lasttx = nexttx;
    577   1.1  thorpej 		}
    578   1.1  thorpej 
    579   1.1  thorpej 		/* Set `first segment' and `last segment' appropriately. */
    580   1.1  thorpej 		sc->sc_txdescs[sc->sc_txnext].td_ctl |= TDCTL_Tx_FS;
    581   1.1  thorpej 		sc->sc_txdescs[lasttx].td_ctl |= TDCTL_Tx_LS;
    582   1.1  thorpej 
    583   1.1  thorpej #ifdef TLP_DEBUG
    584   1.5  thorpej 		if (ifp->if_flags & IFF_DEBUG) {
    585   1.5  thorpej 			printf("     txsoft %p trainsmit chain:\n", txs);
    586   1.5  thorpej 			for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) {
    587   1.5  thorpej 				printf("     descriptor %d:\n", seg);
    588   1.5  thorpej 				printf("       td_status:   0x%08x\n",
    589   1.5  thorpej 				    sc->sc_txdescs[seg].td_status);
    590   1.5  thorpej 				printf("       td_ctl:      0x%08x\n",
    591   1.5  thorpej 				    sc->sc_txdescs[seg].td_ctl);
    592   1.5  thorpej 				printf("       td_bufaddr1: 0x%08x\n",
    593   1.5  thorpej 				    sc->sc_txdescs[seg].td_bufaddr1);
    594   1.5  thorpej 				printf("       td_bufaddr2: 0x%08x\n",
    595   1.5  thorpej 				    sc->sc_txdescs[seg].td_bufaddr2);
    596   1.5  thorpej 				if (seg == lasttx)
    597   1.5  thorpej 					break;
    598   1.5  thorpej 			}
    599   1.1  thorpej 		}
    600   1.1  thorpej #endif
    601   1.1  thorpej 
    602   1.1  thorpej 		/* Sync the descriptors we're using. */
    603   1.1  thorpej 		TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs,
    604   1.1  thorpej 		    BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
    605   1.1  thorpej 
    606   1.1  thorpej 		/*
    607   1.1  thorpej 		 * Store a pointer to the packet so we can free it later,
    608   1.1  thorpej 		 * and remember what txdirty will be once the packet is
    609   1.1  thorpej 		 * done.
    610   1.1  thorpej 		 */
    611   1.1  thorpej 		txs->txs_mbuf = m0;
    612   1.1  thorpej 		txs->txs_firstdesc = sc->sc_txnext;
    613   1.1  thorpej 		txs->txs_lastdesc = lasttx;
    614   1.1  thorpej 
    615   1.1  thorpej 		/* Advance the tx pointer. */
    616   1.1  thorpej 		sc->sc_txfree -= dmamap->dm_nsegs;
    617   1.1  thorpej 		sc->sc_txnext = nexttx;
    618   1.1  thorpej 
    619   1.1  thorpej 		SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q);
    620   1.1  thorpej 		SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q);
    621   1.1  thorpej 
    622   1.2  thorpej 		last_txs = txs;
    623   1.2  thorpej 
    624   1.1  thorpej #if NBPFILTER > 0
    625   1.1  thorpej 		/*
    626   1.1  thorpej 		 * Pass the packet to any BPF listeners.
    627   1.1  thorpej 		 */
    628   1.1  thorpej 		if (ifp->if_bpf)
    629   1.1  thorpej 			bpf_mtap(ifp->if_bpf, m0);
    630   1.1  thorpej #endif /* NBPFILTER > 0 */
    631   1.1  thorpej 	}
    632   1.1  thorpej 
    633   1.1  thorpej 	if (txs == NULL || sc->sc_txfree == 0) {
    634   1.1  thorpej 		/* No more slots left; notify upper layer. */
    635   1.1  thorpej 		ifp->if_flags |= IFF_OACTIVE;
    636   1.1  thorpej 	}
    637   1.1  thorpej 
    638   1.1  thorpej 	if (sc->sc_txfree != ofree) {
    639   1.5  thorpej 		DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n",
    640   1.1  thorpej 		    sc->sc_dev.dv_xname, lasttx, firsttx));
    641   1.1  thorpej 		/*
    642   1.1  thorpej 		 * Cause a transmit interrupt to happen on the
    643   1.1  thorpej 		 * last packet we enqueued.
    644   1.1  thorpej 		 */
    645   1.1  thorpej 		sc->sc_txdescs[lasttx].td_ctl |= TDCTL_Tx_IC;
    646   1.1  thorpej 		TULIP_CDTXSYNC(sc, lasttx, 1,
    647   1.1  thorpej 		    BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
    648   1.2  thorpej 
    649   1.2  thorpej 		/*
    650   1.2  thorpej 		 * Some clone chips want IC on the *first* segment in
    651   1.2  thorpej 		 * the packet.  Appease them.
    652   1.2  thorpej 		 */
    653   1.2  thorpej 		if ((sc->sc_flags & TULIPF_IC_FS) != 0 &&
    654   1.2  thorpej 		    last_txs->txs_firstdesc != lasttx) {
    655   1.2  thorpej 			sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |=
    656   1.2  thorpej 			    TDCTL_Tx_IC;
    657   1.2  thorpej 			TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1,
    658   1.2  thorpej 			    BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
    659   1.2  thorpej 		}
    660   1.1  thorpej 
    661   1.1  thorpej 		/*
    662   1.1  thorpej 		 * The entire packet chain is set up.  Give the
    663   1.1  thorpej 		 * first descriptor to the chip now.
    664   1.1  thorpej 		 */
    665   1.1  thorpej 		sc->sc_txdescs[firsttx].td_status |= TDSTAT_OWN;
    666   1.1  thorpej 		TULIP_CDTXSYNC(sc, firsttx, 1,
    667   1.1  thorpej 		    BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
    668   1.1  thorpej 
    669   1.1  thorpej 		/* Wake up the transmitter. */
    670   1.1  thorpej 		/* XXX USE AUTOPOLLING? */
    671   1.1  thorpej 		TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD);
    672   1.1  thorpej 
    673   1.1  thorpej 		/* Set a watchdog timer in case the chip flakes out. */
    674   1.1  thorpej 		ifp->if_timer = 5;
    675   1.1  thorpej 	}
    676   1.1  thorpej }
    677   1.1  thorpej 
    678   1.1  thorpej /*
    679   1.1  thorpej  * tlp_watchdog:	[ifnet interface function]
    680   1.1  thorpej  *
    681   1.1  thorpej  *	Watchdog timer handler.
    682   1.1  thorpej  */
    683   1.1  thorpej void
    684   1.1  thorpej tlp_watchdog(ifp)
    685   1.1  thorpej 	struct ifnet *ifp;
    686   1.1  thorpej {
    687   1.1  thorpej 	struct tulip_softc *sc = ifp->if_softc;
    688   1.4  thorpej 	int doing_setup, doing_transmit;
    689   1.4  thorpej 
    690   1.4  thorpej 	doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP);
    691   1.4  thorpej 	doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL);
    692   1.4  thorpej 
    693   1.4  thorpej 	if (doing_setup && doing_transmit) {
    694   1.4  thorpej 		printf("%s: filter setup and transmit timeout\n",
    695   1.4  thorpej 		    sc->sc_dev.dv_xname);
    696   1.4  thorpej 		ifp->if_oerrors++;
    697   1.4  thorpej 	} else if (doing_transmit) {
    698   1.4  thorpej 		printf("%s: transmit timeout\n", sc->sc_dev.dv_xname);
    699   1.4  thorpej 		ifp->if_oerrors++;
    700   1.4  thorpej 	} else if (doing_setup)
    701   1.4  thorpej 		printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname);
    702   1.4  thorpej 	else
    703   1.4  thorpej 		printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname);
    704   1.1  thorpej 
    705   1.1  thorpej 	(void) tlp_init(sc);
    706   1.1  thorpej 
    707   1.1  thorpej 	/* Try to get more packets going. */
    708   1.1  thorpej 	tlp_start(ifp);
    709   1.1  thorpej }
    710   1.1  thorpej 
    711   1.1  thorpej /*
    712   1.1  thorpej  * tlp_ioctl:		[ifnet interface function]
    713   1.1  thorpej  *
    714   1.1  thorpej  *	Handle control requests from the operator.
    715   1.1  thorpej  */
    716   1.1  thorpej int
    717   1.1  thorpej tlp_ioctl(ifp, cmd, data)
    718   1.1  thorpej 	struct ifnet *ifp;
    719   1.1  thorpej 	u_long cmd;
    720   1.1  thorpej 	caddr_t data;
    721   1.1  thorpej {
    722   1.1  thorpej 	struct tulip_softc *sc = ifp->if_softc;
    723   1.1  thorpej 	struct ifreq *ifr = (struct ifreq *)data;
    724   1.1  thorpej 	struct ifaddr *ifa = (struct ifaddr *)data;
    725   1.1  thorpej 	int s, error = 0;
    726   1.1  thorpej 
    727   1.1  thorpej 	s = splnet();
    728   1.1  thorpej 
    729   1.1  thorpej 	switch (cmd) {
    730   1.1  thorpej 	case SIOCSIFADDR:
    731   1.1  thorpej 		ifp->if_flags |= IFF_UP;
    732   1.1  thorpej 
    733   1.1  thorpej 		switch (ifa->ifa_addr->sa_family) {
    734   1.1  thorpej #ifdef INET
    735   1.1  thorpej 		case AF_INET:
    736   1.1  thorpej 			if ((error = tlp_init(sc)) != 0)
    737   1.1  thorpej 				break;
    738   1.1  thorpej 			arp_ifinit(ifp, ifa);
    739   1.1  thorpej 			break;
    740   1.1  thorpej #endif /* INET */
    741   1.1  thorpej #ifdef NS
    742   1.1  thorpej 		case AF_NS:
    743   1.1  thorpej 		    {
    744   1.1  thorpej 			struct ns_addr *ina = &IA_SNS(ifa)->sns_addr;
    745   1.1  thorpej 
    746   1.1  thorpej 			if (ns_nullhost(*ina))
    747   1.1  thorpej 				ina->x_host = *(union ns_host *)
    748   1.1  thorpej 				    LLADDR(ifp->if_sadl);
    749   1.1  thorpej 			else
    750   1.1  thorpej 				bcopy(ina->x_host.c_host, LLADDR(ifp->if_sadl),
    751   1.1  thorpej 				    ifp->if_addrlen);
    752   1.1  thorpej 			/* Set new address. */
    753   1.1  thorpej 			error = tlp_init(sc);
    754   1.1  thorpej 			break;
    755   1.1  thorpej 		    }
    756   1.1  thorpej #endif /* NS */
    757   1.1  thorpej 		default:
    758   1.1  thorpej 			error = tlp_init(sc);
    759   1.1  thorpej 			break;
    760   1.1  thorpej 		}
    761   1.1  thorpej 		break;
    762   1.1  thorpej 
    763   1.1  thorpej 	case SIOCSIFMTU:
    764   1.1  thorpej 		if (ifr->ifr_mtu > ETHERMTU)
    765   1.1  thorpej 			error = EINVAL;
    766   1.1  thorpej 		else
    767   1.1  thorpej 			ifp->if_mtu = ifr->ifr_mtu;
    768   1.1  thorpej 		break;
    769   1.1  thorpej 
    770   1.1  thorpej 	case SIOCSIFFLAGS:
    771   1.1  thorpej 		if ((ifp->if_flags & IFF_UP) == 0 &&
    772   1.1  thorpej 		    (ifp->if_flags & IFF_RUNNING) != 0) {
    773   1.1  thorpej 			/*
    774   1.1  thorpej 			 * If interface is marked down and it is running, then
    775   1.1  thorpej 			 * stop it.
    776   1.1  thorpej 			 */
    777   1.1  thorpej 			tlp_stop(sc, 1);
    778   1.1  thorpej 		} else if ((ifp->if_flags & IFF_UP) != 0 &&
    779   1.1  thorpej 			   (ifp->if_flags & IFF_RUNNING) == 0) {
    780   1.1  thorpej 			/*
    781   1.1  thorpej 			 * If interfase it marked up and it is stopped, then
    782   1.1  thorpej 			 * start it.
    783   1.1  thorpej 			 */
    784   1.1  thorpej 			error = tlp_init(sc);
    785   1.1  thorpej 		} else if ((ifp->if_flags & IFF_UP) != 0) {
    786   1.1  thorpej 			/*
    787   1.1  thorpej 			 * Reset the interface to pick up changes in any other
    788   1.1  thorpej 			 * flags that affect the hardware state.
    789   1.1  thorpej 			 */
    790   1.1  thorpej 			error = tlp_init(sc);
    791   1.1  thorpej 		}
    792   1.1  thorpej 		break;
    793   1.1  thorpej 
    794   1.1  thorpej 	case SIOCADDMULTI:
    795   1.1  thorpej 	case SIOCDELMULTI:
    796   1.1  thorpej 		error = (cmd == SIOCADDMULTI) ?
    797   1.1  thorpej 		    ether_addmulti(ifr, &sc->sc_ethercom) :
    798   1.1  thorpej 		    ether_delmulti(ifr, &sc->sc_ethercom);
    799   1.1  thorpej 
    800   1.1  thorpej 		if (error == ENETRESET) {
    801   1.1  thorpej 			/*
    802   1.1  thorpej 			 * Multicast list has changed.  Set the filter
    803   1.1  thorpej 			 * accordingly.
    804   1.1  thorpej 			 */
    805   1.1  thorpej 			(*sc->sc_filter_setup)(sc);
    806   1.1  thorpej 			error = 0;
    807   1.1  thorpej 		}
    808   1.1  thorpej 		break;
    809   1.1  thorpej 
    810   1.1  thorpej 	case SIOCSIFMEDIA:
    811   1.1  thorpej 	case SIOCGIFMEDIA:
    812   1.1  thorpej 		error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd);
    813   1.1  thorpej 		break;
    814   1.1  thorpej 
    815   1.1  thorpej 	default:
    816   1.1  thorpej 		error = EINVAL;
    817   1.1  thorpej 		break;
    818   1.1  thorpej 	}
    819   1.1  thorpej 
    820   1.1  thorpej 	/* Try to get more packets going. */
    821   1.1  thorpej 	tlp_start(ifp);
    822   1.1  thorpej 
    823   1.1  thorpej 	splx(s);
    824   1.1  thorpej 	return (error);
    825   1.1  thorpej }
    826   1.1  thorpej 
    827   1.1  thorpej /*
    828   1.1  thorpej  * tlp_intr:
    829   1.1  thorpej  *
    830   1.1  thorpej  *	Interrupt service routine.
    831   1.1  thorpej  */
    832   1.1  thorpej int
    833   1.1  thorpej tlp_intr(arg)
    834   1.1  thorpej 	void *arg;
    835   1.1  thorpej {
    836   1.1  thorpej 	struct tulip_softc *sc = arg;
    837   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
    838   1.5  thorpej 	u_int32_t status, rxstatus, txstatus;
    839   1.1  thorpej 	int handled = 0, txthresh;
    840   1.1  thorpej 
    841   1.5  thorpej 	DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname));
    842  1.11  thorpej 
    843  1.11  thorpej 	/*
    844  1.11  thorpej 	 * If the interface isn't running, the interrupt couldn't
    845  1.11  thorpej 	 * possibly have come from us.
    846  1.11  thorpej 	 */
    847  1.11  thorpej 	if ((ifp->if_flags & IFF_RUNNING) == 0)
    848  1.11  thorpej 		return (0);
    849   1.1  thorpej 
    850   1.1  thorpej 	for (;;) {
    851   1.1  thorpej 		status = TULIP_READ(sc, CSR_STATUS);
    852   1.1  thorpej 		if (status)
    853   1.1  thorpej 			TULIP_WRITE(sc, CSR_STATUS, status);
    854   1.1  thorpej 
    855   1.1  thorpej 		if ((status & sc->sc_inten) == 0)
    856   1.1  thorpej 			break;
    857   1.1  thorpej 
    858   1.1  thorpej 		handled = 1;
    859   1.1  thorpej 
    860   1.5  thorpej 		rxstatus = status & sc->sc_rxint_mask;
    861   1.5  thorpej 		txstatus = status & sc->sc_txint_mask;
    862   1.5  thorpej 
    863   1.5  thorpej 		if (rxstatus) {
    864   1.1  thorpej 			/* Grab new any new packets. */
    865   1.1  thorpej 			tlp_rxintr(sc);
    866   1.1  thorpej 
    867   1.5  thorpej 			if (rxstatus & STATUS_RWT)
    868   1.1  thorpej 				printf("%s: receive watchdog timeout\n",
    869   1.1  thorpej 				    sc->sc_dev.dv_xname);
    870   1.1  thorpej 
    871   1.5  thorpej 			if (rxstatus & STATUS_RU) {
    872   1.1  thorpej 				printf("%s: receive ring overrun\n",
    873   1.1  thorpej 				    sc->sc_dev.dv_xname);
    874   1.1  thorpej 				/* Get the receive process going again. */
    875   1.1  thorpej 				tlp_idle(sc, OPMODE_SR);
    876   1.1  thorpej 				TULIP_WRITE(sc, CSR_RXLIST,
    877   1.1  thorpej 				    TULIP_CDRXADDR(sc, sc->sc_rxptr));
    878   1.1  thorpej 				TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
    879   1.1  thorpej 				TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD);
    880   1.1  thorpej 				break;
    881   1.1  thorpej 			}
    882   1.1  thorpej 		}
    883   1.1  thorpej 
    884   1.5  thorpej 		if (txstatus) {
    885   1.1  thorpej 			/* Sweep up transmit descriptors. */
    886   1.1  thorpej 			tlp_txintr(sc);
    887   1.1  thorpej 
    888   1.5  thorpej 			if (txstatus & STATUS_TJT)
    889   1.1  thorpej 				printf("%s: transmit jabber timeout\n",
    890   1.1  thorpej 				    sc->sc_dev.dv_xname);
    891   1.1  thorpej 
    892   1.5  thorpej 			if (txstatus & STATUS_UNF) {
    893   1.1  thorpej 				/*
    894   1.1  thorpej 				 * Increase our transmit threshold if
    895   1.1  thorpej 				 * another is available.
    896   1.1  thorpej 				 */
    897   1.1  thorpej 				txthresh = sc->sc_txthresh + 1;
    898   1.1  thorpej 				if (sc->sc_txth[txthresh].txth_name != NULL) {
    899   1.1  thorpej 					/* Idle the transmit process. */
    900   1.1  thorpej 					tlp_idle(sc, OPMODE_ST);
    901   1.1  thorpej 
    902   1.1  thorpej 					sc->sc_txthresh = txthresh;
    903   1.1  thorpej 					sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF);
    904   1.1  thorpej 					sc->sc_opmode |=
    905   1.1  thorpej 					    sc->sc_txth[txthresh].txth_opmode;
    906   1.1  thorpej 					printf("%s: transmit underrun; new "
    907   1.1  thorpej 					    "threshold: %s\n",
    908   1.1  thorpej 					    sc->sc_dev.dv_xname,
    909   1.1  thorpej 					    sc->sc_txth[txthresh].txth_name);
    910   1.1  thorpej 
    911   1.1  thorpej 					/*
    912   1.1  thorpej 					 * Set the new threshold and restart
    913   1.1  thorpej 					 * the transmit process.
    914   1.1  thorpej 					 */
    915   1.1  thorpej 					TULIP_WRITE(sc, CSR_OPMODE,
    916   1.1  thorpej 					    sc->sc_opmode);
    917   1.1  thorpej 				}
    918   1.1  thorpej 					/*
    919   1.1  thorpej 					 * XXX Log every Nth underrun from
    920   1.1  thorpej 					 * XXX now on?
    921   1.1  thorpej 					 */
    922   1.1  thorpej 			}
    923   1.1  thorpej 		}
    924   1.1  thorpej 
    925   1.1  thorpej 		if (status & (STATUS_TPS|STATUS_RPS)) {
    926   1.1  thorpej 			if (status & STATUS_TPS)
    927   1.1  thorpej 				printf("%s: transmit process stopped\n",
    928   1.1  thorpej 				    sc->sc_dev.dv_xname);
    929   1.1  thorpej 			if (status & STATUS_RPS)
    930   1.1  thorpej 				printf("%s: receive process stopped\n",
    931   1.1  thorpej 				    sc->sc_dev.dv_xname);
    932   1.1  thorpej 			(void) tlp_init(sc);
    933   1.1  thorpej 			break;
    934   1.1  thorpej 		}
    935   1.1  thorpej 
    936   1.1  thorpej 		if (status & STATUS_SE) {
    937   1.1  thorpej 			const char *str;
    938   1.1  thorpej 			switch (status & STATUS_EB) {
    939   1.1  thorpej 			case STATUS_EB_PARITY:
    940   1.1  thorpej 				str = "parity error";
    941   1.1  thorpej 				break;
    942   1.1  thorpej 
    943   1.1  thorpej 			case STATUS_EB_MABT:
    944   1.1  thorpej 				str = "master abort";
    945   1.1  thorpej 				break;
    946   1.1  thorpej 
    947   1.1  thorpej 			case STATUS_EB_TABT:
    948   1.1  thorpej 				str = "target abort";
    949   1.1  thorpej 				break;
    950   1.1  thorpej 
    951   1.1  thorpej 			default:
    952   1.1  thorpej 				str = "unknown error";
    953   1.1  thorpej 				break;
    954   1.1  thorpej 			}
    955   1.1  thorpej 			printf("%s: fatal system error: %s\n",
    956   1.1  thorpej 			    sc->sc_dev.dv_xname, str);
    957   1.1  thorpej 			(void) tlp_init(sc);
    958   1.1  thorpej 			break;
    959   1.1  thorpej 		}
    960   1.1  thorpej 
    961   1.1  thorpej 		/*
    962   1.1  thorpej 		 * Not handled:
    963   1.1  thorpej 		 *
    964   1.1  thorpej 		 *	Transmit buffer unavailable -- normal
    965   1.1  thorpej 		 *	condition, nothing to do, really.
    966   1.1  thorpej 		 *
    967   1.1  thorpej 		 *	General purpose timer experied -- we don't
    968   1.1  thorpej 		 *	use the general purpose timer.
    969   1.1  thorpej 		 *
    970   1.1  thorpej 		 *	Early receive interrupt -- not available on
    971   1.1  thorpej 		 *	all chips, we just use RI.  We also only
    972   1.1  thorpej 		 *	use single-segment receive DMA, so this
    973   1.1  thorpej 		 *	is mostly useless.
    974   1.1  thorpej 		 */
    975   1.1  thorpej 	}
    976   1.1  thorpej 
    977   1.1  thorpej 	/* Try to get more packets going. */
    978   1.1  thorpej 	tlp_start(ifp);
    979   1.1  thorpej 
    980   1.1  thorpej 	return (handled);
    981   1.1  thorpej }
    982   1.1  thorpej 
    983   1.1  thorpej /*
    984   1.1  thorpej  * tlp_rxintr:
    985   1.1  thorpej  *
    986   1.1  thorpej  *	Helper; handle receive interrupts.
    987   1.1  thorpej  */
    988   1.1  thorpej void
    989   1.1  thorpej tlp_rxintr(sc)
    990   1.1  thorpej 	struct tulip_softc *sc;
    991   1.1  thorpej {
    992   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
    993   1.1  thorpej 	struct ether_header *eh;
    994   1.1  thorpej 	struct tulip_rxsoft *rxs;
    995   1.1  thorpej 	struct mbuf *m;
    996   1.1  thorpej 	u_int32_t rxstat;
    997   1.1  thorpej 	int i, len;
    998   1.1  thorpej 
    999   1.1  thorpej 	for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) {
   1000   1.1  thorpej 		rxs = &sc->sc_rxsoft[i];
   1001   1.1  thorpej 
   1002   1.1  thorpej 		TULIP_CDRXSYNC(sc, i,
   1003   1.1  thorpej 		    BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
   1004   1.1  thorpej 
   1005   1.1  thorpej 		rxstat = sc->sc_rxdescs[i].td_status;
   1006   1.1  thorpej 
   1007   1.1  thorpej 		if (rxstat & TDSTAT_OWN) {
   1008   1.1  thorpej 			/*
   1009   1.1  thorpej 			 * We have processed all of the receive buffers.
   1010   1.1  thorpej 			 */
   1011   1.1  thorpej 			break;
   1012   1.1  thorpej 		}
   1013   1.1  thorpej 
   1014   1.1  thorpej 		/*
   1015   1.1  thorpej 		 * Make sure the packet fit in one buffer.  This should
   1016   1.1  thorpej 		 * always be the case.  But the Lite-On PNIC, rev 33
   1017   1.1  thorpej 		 * has an awful receive engine bug, which may require
   1018   1.1  thorpej 		 * a very icky work-around.
   1019   1.1  thorpej 		 */
   1020   1.1  thorpej 		if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) !=
   1021   1.1  thorpej 		    (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) {
   1022   1.1  thorpej 			printf("%s: incoming packet spilled, resetting\n",
   1023   1.1  thorpej 			    sc->sc_dev.dv_xname);
   1024   1.1  thorpej 			(void) tlp_init(sc);
   1025   1.1  thorpej 			return;
   1026   1.1  thorpej 		}
   1027   1.1  thorpej 
   1028   1.1  thorpej 		/*
   1029   1.1  thorpej 		 * If any collisions were seen on the wire, count one.
   1030   1.1  thorpej 		 */
   1031   1.1  thorpej 		if (rxstat & TDSTAT_Rx_CS)
   1032   1.1  thorpej 			ifp->if_collisions++;
   1033   1.1  thorpej 
   1034   1.1  thorpej 		/*
   1035   1.1  thorpej 		 * If an error occured, update stats, clear the status
   1036   1.1  thorpej 		 * word, and leave the packet buffer in place.  It will
   1037   1.1  thorpej 		 * simply be reused the next time the ring comes around.
   1038   1.1  thorpej 		 */
   1039   1.1  thorpej 		if (rxstat & TDSTAT_ES) {
   1040   1.1  thorpej #define	PRINTERR(bit, str)						\
   1041   1.1  thorpej 			if (rxstat & (bit))				\
   1042   1.1  thorpej 				printf("%s: receive error: %s\n",	\
   1043   1.1  thorpej 				    sc->sc_dev.dv_xname, str)
   1044   1.1  thorpej 			ifp->if_ierrors++;
   1045   1.1  thorpej 			PRINTERR(TDSTAT_Rx_DE, "descriptor error");
   1046   1.1  thorpej 			PRINTERR(TDSTAT_Rx_RF, "runt frame");
   1047   1.1  thorpej 			PRINTERR(TDSTAT_Rx_TL, "frame too long");
   1048   1.1  thorpej 			PRINTERR(TDSTAT_Rx_RE, "MII error");
   1049   1.1  thorpej 			PRINTERR(TDSTAT_Rx_DB, "dribbling bit");
   1050   1.1  thorpej 			PRINTERR(TDSTAT_Rx_CE, "CRC error");
   1051   1.1  thorpej #undef PRINTERR
   1052   1.1  thorpej 			TULIP_INIT_RXDESC(sc, i);
   1053   1.1  thorpej 			continue;
   1054   1.1  thorpej 		}
   1055   1.1  thorpej 
   1056   1.1  thorpej 		bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0,
   1057   1.1  thorpej 		    rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD);
   1058   1.1  thorpej 
   1059   1.1  thorpej 		/*
   1060   1.1  thorpej 		 * No errors; receive the packet.  Note the Tulip
   1061   1.1  thorpej 		 * includes the CRC with every packet; trim it.
   1062   1.1  thorpej 		 */
   1063   1.1  thorpej 		len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN;
   1064   1.1  thorpej 
   1065   1.1  thorpej #ifdef __NO_STRICT_ALIGNMENT
   1066   1.1  thorpej 		/*
   1067   1.1  thorpej 		 * Allocate a new mbuf cluster.  If that fails, we are
   1068   1.1  thorpej 		 * out of memory, and must drop the packet and recycle
   1069   1.1  thorpej 		 * the buffer that's already attached to this descriptor.
   1070   1.1  thorpej 		 */
   1071   1.1  thorpej 		m = rxs->rxs_mbuf;
   1072   1.1  thorpej 		if (tlp_add_rxbuf(sc, i) != 0) {
   1073   1.1  thorpej 			ifp->if_ierrors++;
   1074   1.1  thorpej 			TULIP_INIT_RXDESC(sc, i);
   1075   1.1  thorpej 			bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0,
   1076   1.1  thorpej 			    rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD);
   1077   1.1  thorpej 			continue;
   1078   1.1  thorpej 		}
   1079   1.1  thorpej #else
   1080   1.1  thorpej 		/*
   1081   1.1  thorpej 		 * The Tulip's receive buffers must be 4-byte aligned.
   1082   1.1  thorpej 		 * But this means that the data after the Ethernet header
   1083   1.1  thorpej 		 * is misaligned.  We must allocate a new buffer and
   1084   1.1  thorpej 		 * copy the data, shifted forward 2 bytes.
   1085   1.1  thorpej 		 */
   1086   1.1  thorpej 		MGETHDR(m, M_DONTWAIT, MT_DATA);
   1087   1.1  thorpej 		if (m == NULL) {
   1088   1.1  thorpej  dropit:
   1089   1.1  thorpej 			ifp->if_ierrors++;
   1090   1.1  thorpej 			TULIP_INIT_RXDESC(sc, i);
   1091   1.1  thorpej 			bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0,
   1092   1.1  thorpej 			    rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD);
   1093   1.1  thorpej 			continue;
   1094   1.1  thorpej 		}
   1095   1.1  thorpej 		if (len > (MHLEN - 2)) {
   1096   1.1  thorpej 			MCLGET(m, M_DONTWAIT);
   1097   1.1  thorpej 			if ((m->m_flags & M_EXT) == 0) {
   1098   1.1  thorpej 				m_freem(m);
   1099   1.1  thorpej 				goto dropit;
   1100   1.1  thorpej 			}
   1101   1.1  thorpej 		}
   1102   1.1  thorpej 		m->m_data += 2;
   1103   1.1  thorpej 
   1104   1.1  thorpej 		/*
   1105   1.1  thorpej 		 * Note that we use clusters for incoming frames, so the
   1106   1.1  thorpej 		 * buffer is virtually contiguous.
   1107   1.1  thorpej 		 */
   1108   1.1  thorpej 		memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len);
   1109   1.1  thorpej 
   1110   1.1  thorpej 		/* Allow the receive descriptor to continue using its mbuf. */
   1111   1.1  thorpej 		TULIP_INIT_RXDESC(sc, i);
   1112   1.1  thorpej 		bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0,
   1113   1.1  thorpej 		    rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD);
   1114   1.1  thorpej #endif /* __NO_STRICT_ALIGNMENT */
   1115   1.1  thorpej 
   1116   1.1  thorpej 		ifp->if_ipackets++;
   1117   1.1  thorpej 		eh = mtod(m, struct ether_header *);
   1118   1.1  thorpej 		m->m_pkthdr.rcvif = ifp;
   1119   1.1  thorpej 		m->m_pkthdr.len = m->m_len = len;
   1120   1.1  thorpej 
   1121   1.1  thorpej #if NBPFILTER > 0
   1122   1.1  thorpej 		/*
   1123   1.1  thorpej 		 * Pass this up to any BPF listeners, but only
   1124   1.1  thorpej 		 * pass it up the stack if its for us.
   1125   1.1  thorpej 		 */
   1126   1.1  thorpej 		if (ifp->if_bpf)
   1127   1.1  thorpej 			bpf_mtap(ifp->if_bpf, m);
   1128   1.1  thorpej #endif /* NPBFILTER > 0 */
   1129   1.1  thorpej 
   1130   1.1  thorpej 		/*
   1131   1.1  thorpej 		 * This test is outside the NBPFILTER block because
   1132   1.1  thorpej 		 * on the 21140 we have to use Hash-Only mode due to
   1133   1.1  thorpej 		 * a bug in the filter logic.
   1134   1.1  thorpej 		 */
   1135   1.1  thorpej 		if ((ifp->if_flags & IFF_PROMISC) != 0 ||
   1136   1.1  thorpej 		    sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) {
   1137   1.1  thorpej 			if (memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost,
   1138   1.1  thorpej 				 ETHER_ADDR_LEN) != 0 &&
   1139   1.1  thorpej 			    ETHER_IS_MULTICAST(eh->ether_dhost) == 0) {
   1140   1.1  thorpej 				m_freem(m);
   1141   1.1  thorpej 				continue;
   1142   1.1  thorpej 			}
   1143   1.1  thorpej 		}
   1144   1.1  thorpej 
   1145   1.1  thorpej 		/* Pass it on. */
   1146   1.1  thorpej 		(*ifp->if_input)(ifp, m);
   1147   1.1  thorpej 	}
   1148   1.1  thorpej 
   1149   1.1  thorpej 	/* Update the recieve pointer. */
   1150   1.1  thorpej 	sc->sc_rxptr = i;
   1151   1.1  thorpej }
   1152   1.1  thorpej 
   1153   1.1  thorpej /*
   1154   1.1  thorpej  * tlp_txintr:
   1155   1.1  thorpej  *
   1156   1.1  thorpej  *	Helper; handle transmit interrupts.
   1157   1.1  thorpej  */
   1158   1.1  thorpej void
   1159   1.1  thorpej tlp_txintr(sc)
   1160   1.1  thorpej 	struct tulip_softc *sc;
   1161   1.1  thorpej {
   1162   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
   1163   1.1  thorpej 	struct tulip_txsoft *txs;
   1164   1.1  thorpej 	u_int32_t txstat;
   1165   1.1  thorpej 
   1166   1.5  thorpej 	DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n",
   1167   1.1  thorpej 	    sc->sc_dev.dv_xname, sc->sc_flags));
   1168   1.1  thorpej 
   1169   1.1  thorpej 	ifp->if_flags &= ~IFF_OACTIVE;
   1170   1.1  thorpej 
   1171   1.1  thorpej 	/*
   1172   1.4  thorpej 	 * If we were doing a filter setup, check to see if it completed.
   1173   1.4  thorpej 	 */
   1174   1.4  thorpej 	if (sc->sc_flags & TULIPF_DOING_SETUP) {
   1175   1.4  thorpej 		TULIP_CDSDSYNC(sc, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
   1176   1.4  thorpej 		if ((sc->sc_setup_desc.td_status & TDSTAT_OWN) == 0)
   1177   1.4  thorpej 			sc->sc_flags &= ~TULIPF_DOING_SETUP;
   1178   1.4  thorpej 	}
   1179   1.4  thorpej 
   1180   1.4  thorpej 	/*
   1181   1.1  thorpej 	 * Go through our Tx list and free mbufs for those
   1182   1.1  thorpej 	 * frames that have been transmitted.
   1183   1.1  thorpej 	 */
   1184   1.1  thorpej 	while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) {
   1185   1.1  thorpej 		TULIP_CDTXSYNC(sc, txs->txs_firstdesc,
   1186   1.1  thorpej 		    txs->txs_dmamap->dm_nsegs,
   1187   1.1  thorpej 		    BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
   1188   1.1  thorpej 
   1189   1.1  thorpej #ifdef TLP_DEBUG
   1190   1.5  thorpej 		if (ifp->if_flags & IFF_DEBUG) {
   1191   1.5  thorpej 			int i;
   1192   1.5  thorpej 			printf("    txsoft %p trainsmit chain:\n", txs);
   1193   1.5  thorpej 			for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) {
   1194   1.5  thorpej 				printf("     descriptor %d:\n", i);
   1195   1.5  thorpej 				printf("       td_status:   0x%08x\n",
   1196   1.5  thorpej 				    sc->sc_txdescs[i].td_status);
   1197   1.5  thorpej 				printf("       td_ctl:      0x%08x\n",
   1198   1.5  thorpej 				    sc->sc_txdescs[i].td_ctl);
   1199   1.5  thorpej 				printf("       td_bufaddr1: 0x%08x\n",
   1200   1.5  thorpej 				    sc->sc_txdescs[i].td_bufaddr1);
   1201   1.5  thorpej 				printf("       td_bufaddr2: 0x%08x\n",
   1202   1.5  thorpej 				    sc->sc_txdescs[i].td_bufaddr2);
   1203   1.5  thorpej 				if (i == txs->txs_lastdesc)
   1204   1.5  thorpej 					break;
   1205   1.5  thorpej 			}
   1206   1.5  thorpej 		}
   1207   1.1  thorpej #endif
   1208   1.1  thorpej 
   1209   1.1  thorpej 		txstat = sc->sc_txdescs[txs->txs_firstdesc].td_status;
   1210   1.1  thorpej 		if (txstat & TDSTAT_OWN)
   1211   1.1  thorpej 			break;
   1212   1.1  thorpej 
   1213   1.1  thorpej 		SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q);
   1214   1.1  thorpej 
   1215   1.1  thorpej 		sc->sc_txfree += txs->txs_dmamap->dm_nsegs;
   1216   1.1  thorpej 
   1217   1.1  thorpej 		bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap,
   1218   1.1  thorpej 		    0, txs->txs_dmamap->dm_mapsize,
   1219   1.1  thorpej 		    BUS_DMASYNC_POSTWRITE);
   1220   1.1  thorpej 		bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap);
   1221   1.1  thorpej 		m_freem(txs->txs_mbuf);
   1222   1.1  thorpej 		txs->txs_mbuf = NULL;
   1223   1.1  thorpej 
   1224   1.1  thorpej 		SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q);
   1225   1.1  thorpej 
   1226   1.1  thorpej 		/*
   1227   1.1  thorpej 		 * Check for errors and collisions.
   1228   1.1  thorpej 		 */
   1229  1.10  thorpej 		if (txstat &
   1230  1.10  thorpej 		    (TDSTAT_Tx_UF|TDSTAT_Tx_NC|TDSTAT_Tx_LO|TDSTAT_Tx_TO)) {
   1231   1.1  thorpej 			ifp->if_oerrors++;
   1232  1.10  thorpej #if 0
   1233  1.10  thorpej 			/*
   1234  1.10  thorpej 			 * XXX Can't check for late or excessive collisions;
   1235  1.10  thorpej 			 * XXX Some 21040s seem to register those even on
   1236  1.10  thorpej 			 * XXX successful transmissions!
   1237  1.10  thorpej 			 */
   1238   1.1  thorpej 			if (txstat & TDSTAT_Tx_EC)
   1239   1.1  thorpej 				ifp->if_collisions += 16;
   1240   1.1  thorpej 			if (txstat & TDSTAT_Tx_LC)
   1241   1.1  thorpej 				ifp->if_collisions++;
   1242  1.10  thorpej #endif
   1243   1.1  thorpej 		} else {
   1244   1.1  thorpej 			/* Packet was transmitted successfully. */
   1245   1.1  thorpej 			ifp->if_opackets++;
   1246   1.1  thorpej 			ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat);
   1247   1.1  thorpej 		}
   1248   1.1  thorpej 	}
   1249   1.1  thorpej 
   1250   1.1  thorpej 	/*
   1251   1.1  thorpej 	 * If there are no more pending transmissions, cancel the watchdog
   1252   1.1  thorpej 	 * timer.
   1253   1.1  thorpej 	 */
   1254   1.4  thorpej 	if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0)
   1255   1.1  thorpej 		ifp->if_timer = 0;
   1256   1.1  thorpej 
   1257   1.1  thorpej 	/*
   1258   1.1  thorpej 	 * If we have a receive filter setup pending, do it now.
   1259   1.1  thorpej 	 */
   1260   1.1  thorpej 	if (sc->sc_flags & TULIPF_WANT_SETUP)
   1261   1.1  thorpej 		(*sc->sc_filter_setup)(sc);
   1262   1.1  thorpej }
   1263   1.1  thorpej 
   1264   1.1  thorpej /*
   1265   1.1  thorpej  * tlp_reset:
   1266   1.1  thorpej  *
   1267   1.1  thorpej  *	Perform a soft reset on the Tulip.
   1268   1.1  thorpej  */
   1269   1.1  thorpej void
   1270   1.1  thorpej tlp_reset(sc)
   1271   1.1  thorpej 	struct tulip_softc *sc;
   1272   1.1  thorpej {
   1273   1.1  thorpej 	int i;
   1274   1.1  thorpej 
   1275   1.1  thorpej 	TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR);
   1276   1.1  thorpej 
   1277   1.1  thorpej 	for (i = 0; i < 1000; i++) {
   1278  1.12  thorpej 		/*
   1279  1.12  thorpej 		 * Wait at least 50 PCI cycles for the reset to
   1280  1.12  thorpej 		 * complete before peeking at the Tulip again.
   1281  1.12  thorpej 		 * 10 uSec is a bit longer than 50 PCI cycles
   1282  1.12  thorpej 		 * (at 33MHz), but it doesn't hurt have the extra
   1283  1.12  thorpej 		 * wait.
   1284  1.12  thorpej 		 */
   1285  1.12  thorpej 		delay(10);
   1286   1.1  thorpej 		if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0)
   1287   1.1  thorpej 			break;
   1288   1.1  thorpej 	}
   1289   1.1  thorpej 
   1290   1.1  thorpej 	if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR))
   1291   1.1  thorpej 		printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname);
   1292   1.1  thorpej 
   1293   1.1  thorpej 	delay(1000);
   1294  1.17  thorpej 
   1295  1.17  thorpej 	/*
   1296  1.17  thorpej 	 * If the board has any GPIO reset sequences to issue, do them now.
   1297  1.17  thorpej 	 */
   1298  1.17  thorpej 	if (sc->sc_reset != NULL)
   1299  1.17  thorpej 		(*sc->sc_reset)(sc);
   1300   1.1  thorpej }
   1301   1.1  thorpej 
   1302   1.1  thorpej /*
   1303   1.1  thorpej  * tlp_init:
   1304   1.1  thorpej  *
   1305   1.1  thorpej  *	Initialize the interface.  Must be called at splnet().
   1306   1.1  thorpej  */
   1307   1.1  thorpej int
   1308   1.1  thorpej tlp_init(sc)
   1309   1.1  thorpej 	struct tulip_softc *sc;
   1310   1.1  thorpej {
   1311   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
   1312   1.1  thorpej 	struct tulip_txsoft *txs;
   1313   1.1  thorpej 	struct tulip_rxsoft *rxs;
   1314   1.1  thorpej 	int i, error = 0;
   1315   1.1  thorpej 
   1316   1.1  thorpej 	/*
   1317   1.1  thorpej 	 * Cancel any pending I/O.
   1318   1.1  thorpej 	 */
   1319   1.1  thorpej 	tlp_stop(sc, 0);
   1320   1.1  thorpej 
   1321   1.1  thorpej 	/*
   1322  1.13  thorpej 	 * Initialize `opmode' to 0, and call the pre-init routine, if
   1323  1.13  thorpej 	 * any.  This is required because the 2114x and some of the
   1324  1.13  thorpej 	 * clones require that the media-related bits in `opmode' be
   1325  1.13  thorpej 	 * set before performing a soft-reset in order to get internal
   1326  1.13  thorpej 	 * chip pathways are correct.  Yay!
   1327  1.13  thorpej 	 */
   1328  1.13  thorpej 	sc->sc_opmode = 0;
   1329  1.13  thorpej 	if (sc->sc_preinit != NULL)
   1330  1.13  thorpej 		(*sc->sc_preinit)(sc);
   1331  1.13  thorpej 
   1332  1.13  thorpej 	/*
   1333   1.1  thorpej 	 * Reset the Tulip to a known state.
   1334   1.1  thorpej 	 */
   1335   1.1  thorpej 	tlp_reset(sc);
   1336   1.1  thorpej 
   1337   1.1  thorpej 	/*
   1338   1.1  thorpej 	 * Initialize the BUSMODE register.
   1339   1.1  thorpej 	 *
   1340   1.1  thorpej 	 * XXX What about read-multiple/read-line/write-line on
   1341   1.1  thorpej 	 * XXX the 21140 and up?
   1342   1.1  thorpej 	 */
   1343  1.16  thorpej 	sc->sc_busmode = BUSMODE_BAR;
   1344   1.1  thorpej 	switch (sc->sc_cacheline) {
   1345   1.1  thorpej 	default:
   1346   1.1  thorpej 		/*
   1347   1.1  thorpej 		 * Note: We must *always* set these bits; a cache
   1348   1.1  thorpej 		 * alignment of 0 is RESERVED.
   1349   1.1  thorpej 		 */
   1350   1.1  thorpej 	case 8:
   1351   1.1  thorpej 		sc->sc_busmode |= BUSMODE_CAL_8LW;
   1352   1.1  thorpej 		break;
   1353   1.1  thorpej 	case 16:
   1354   1.1  thorpej 		sc->sc_busmode |= BUSMODE_CAL_16LW;
   1355   1.1  thorpej 		break;
   1356   1.1  thorpej 	case 32:
   1357   1.1  thorpej 		sc->sc_busmode |= BUSMODE_CAL_32LW;
   1358   1.1  thorpej 		break;
   1359   1.1  thorpej 	}
   1360   1.1  thorpej 	switch (sc->sc_chip) {
   1361   1.1  thorpej 	case TULIP_CHIP_82C168:
   1362   1.1  thorpej 	case TULIP_CHIP_82C169:
   1363  1.16  thorpej 		sc->sc_busmode |= BUSMODE_PBL_16LW | BUSMODE_PNIC_MBO;
   1364   1.1  thorpej 		break;
   1365   1.1  thorpej 	default:
   1366  1.16  thorpej 		sc->sc_busmode |= BUSMODE_PBL_DEFAULT;
   1367   1.1  thorpej 		break;
   1368   1.1  thorpej 	}
   1369   1.1  thorpej #if BYTE_ORDER == BIG_ENDIAN
   1370   1.1  thorpej 	/*
   1371   1.1  thorpej 	 * XXX There are reports that this doesn't work properly
   1372   1.1  thorpej 	 * in the old Tulip driver, but BUSMODE_DBO does.  However,
   1373   1.1  thorpej 	 * BUSMODE_DBO is not available on the 21040, and requires
   1374   1.1  thorpej 	 * us to byte-swap the setup packet.  What to do?
   1375   1.1  thorpej 	 */
   1376   1.1  thorpej 	sc->sc_busmode |= BUSMODE_BLE;
   1377   1.1  thorpej #endif
   1378   1.1  thorpej 	TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode);
   1379   1.1  thorpej 
   1380   1.1  thorpej 	/*
   1381   1.1  thorpej 	 * Initialize the OPMODE register.  We don't write it until
   1382   1.1  thorpej 	 * we're ready to begin the transmit and receive processes.
   1383   1.1  thorpej 	 *
   1384   1.1  thorpej 	 * Media-related OPMODE bits are set in the media callbacks
   1385   1.1  thorpej 	 * for each specific chip/board.
   1386   1.1  thorpej 	 */
   1387  1.13  thorpej 	sc->sc_opmode |= OPMODE_SR | OPMODE_ST |
   1388   1.1  thorpej 	    sc->sc_txth[sc->sc_txthresh].txth_opmode;
   1389   1.1  thorpej 
   1390   1.1  thorpej 	/*
   1391   1.1  thorpej 	 * Magical mystery initialization on the Macronix chips.
   1392   1.1  thorpej 	 * The MX98713 uses its own magic value, the rest share
   1393   1.1  thorpej 	 * a common one.
   1394   1.1  thorpej 	 */
   1395   1.1  thorpej 	switch (sc->sc_chip) {
   1396   1.1  thorpej 	case TULIP_CHIP_MX98713:
   1397   1.1  thorpej 		TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713);
   1398   1.1  thorpej 		break;
   1399   1.1  thorpej 
   1400   1.1  thorpej 	case TULIP_CHIP_MX98713A:
   1401   1.1  thorpej 	case TULIP_CHIP_MX98715:
   1402   1.1  thorpej 	case TULIP_CHIP_MX98725:
   1403   1.1  thorpej 		TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715);
   1404   1.1  thorpej 		break;
   1405   1.1  thorpej 
   1406   1.1  thorpej 	default:
   1407   1.1  thorpej 		/* Nothing. */
   1408   1.1  thorpej 	}
   1409   1.1  thorpej 
   1410   1.1  thorpej 	/*
   1411   1.1  thorpej 	 * Initialize the transmit descriptor ring.
   1412   1.1  thorpej 	 */
   1413   1.1  thorpej 	memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs));
   1414   1.1  thorpej 	for (i = 0; i < TULIP_NTXDESC; i++) {
   1415   1.1  thorpej 		sc->sc_txdescs[i].td_ctl = TDCTL_CH;
   1416   1.1  thorpej 		sc->sc_txdescs[i].td_bufaddr2 =
   1417   1.1  thorpej 		    TULIP_CDTXADDR(sc, TULIP_NEXTTX(i));
   1418   1.1  thorpej 	}
   1419   1.1  thorpej 	TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC,
   1420   1.1  thorpej 	    BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
   1421   1.1  thorpej 	sc->sc_txfree = TULIP_NTXDESC;
   1422   1.1  thorpej 	sc->sc_txnext = 0;
   1423   1.1  thorpej 
   1424   1.1  thorpej 	/*
   1425   1.1  thorpej 	 * Initialize the transmit job descriptors.
   1426   1.1  thorpej 	 */
   1427   1.1  thorpej 	SIMPLEQ_INIT(&sc->sc_txfreeq);
   1428   1.1  thorpej 	SIMPLEQ_INIT(&sc->sc_txdirtyq);
   1429   1.1  thorpej 	for (i = 0; i < TULIP_TXQUEUELEN; i++) {
   1430   1.1  thorpej 		txs = &sc->sc_txsoft[i];
   1431   1.1  thorpej 		txs->txs_mbuf = NULL;
   1432   1.1  thorpej 		SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q);
   1433   1.1  thorpej 	}
   1434   1.1  thorpej 
   1435   1.1  thorpej 	/*
   1436   1.1  thorpej 	 * Initialize the receive descriptor and receive job
   1437   1.1  thorpej 	 * descriptor rings.
   1438   1.1  thorpej 	 */
   1439   1.1  thorpej 	for (i = 0; i < TULIP_NRXDESC; i++) {
   1440   1.1  thorpej 		rxs = &sc->sc_rxsoft[i];
   1441   1.1  thorpej 		if (rxs->rxs_mbuf == NULL) {
   1442   1.1  thorpej 			if ((error = tlp_add_rxbuf(sc, i)) != 0) {
   1443   1.1  thorpej 				printf("%s: unable to allocate or map rx "
   1444   1.1  thorpej 				    "buffer %d, error = %d\n",
   1445   1.1  thorpej 				    sc->sc_dev.dv_xname, i, error);
   1446   1.1  thorpej 				/*
   1447   1.1  thorpej 				 * XXX Should attempt to run with fewer receive
   1448   1.1  thorpej 				 * XXX buffers instead of just failing.
   1449   1.1  thorpej 				 */
   1450   1.1  thorpej 				tlp_rxdrain(sc);
   1451   1.1  thorpej 				goto out;
   1452   1.1  thorpej 			}
   1453   1.1  thorpej 		}
   1454   1.1  thorpej 	}
   1455   1.1  thorpej 	sc->sc_rxptr = 0;
   1456   1.1  thorpej 
   1457   1.1  thorpej 	/*
   1458   1.1  thorpej 	 * Initialize the interrupt mask and enable interrupts.
   1459   1.1  thorpej 	 */
   1460   1.1  thorpej 	/* normal interrupts */
   1461   1.1  thorpej 	sc->sc_inten =  STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS;
   1462   1.5  thorpej 
   1463   1.1  thorpej 	/* abnormal interrupts */
   1464   1.1  thorpej 	sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF |
   1465   1.1  thorpej 	    STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS;
   1466   1.1  thorpej 
   1467   1.5  thorpej 	sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT;
   1468   1.5  thorpej 	sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT;
   1469   1.5  thorpej 
   1470   1.5  thorpej 	switch (sc->sc_chip) {
   1471   1.5  thorpej 	case TULIP_CHIP_WB89C840F:
   1472   1.5  thorpej 		/*
   1473   1.5  thorpej 		 * Clear bits that we don't want that happen to
   1474   1.5  thorpej 		 * overlap or don't exist.
   1475   1.5  thorpej 		 */
   1476   1.5  thorpej 		sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT);
   1477   1.5  thorpej 		break;
   1478   1.5  thorpej 
   1479   1.5  thorpej 	default:
   1480   1.5  thorpej 		/* Nothing. */
   1481   1.5  thorpej 	}
   1482   1.5  thorpej 
   1483   1.5  thorpej 	sc->sc_rxint_mask &= sc->sc_inten;
   1484   1.5  thorpej 	sc->sc_txint_mask &= sc->sc_inten;
   1485   1.5  thorpej 
   1486   1.1  thorpej 	TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten);
   1487   1.1  thorpej 	TULIP_WRITE(sc, CSR_STATUS, 0xffffffff);
   1488   1.1  thorpej 
   1489   1.1  thorpej 	/*
   1490   1.1  thorpej 	 * Give the transmit and receive rings to the Tulip.
   1491   1.1  thorpej 	 */
   1492   1.1  thorpej 	TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext));
   1493   1.1  thorpej 	TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr));
   1494   1.1  thorpej 
   1495   1.1  thorpej 	/*
   1496   1.1  thorpej 	 * On chips that do this differently, set the station address.
   1497   1.1  thorpej 	 */
   1498   1.1  thorpej 	switch (sc->sc_chip) {
   1499   1.1  thorpej 	case TULIP_CHIP_WB89C840F:
   1500   1.8  thorpej 	    {
   1501   1.1  thorpej 		/* XXX Do this with stream writes? */
   1502   1.8  thorpej 		bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0);
   1503   1.8  thorpej 
   1504   1.1  thorpej 		for (i = 0; i < ETHER_ADDR_LEN; i++) {
   1505   1.1  thorpej 			bus_space_write_1(sc->sc_st, sc->sc_sh,
   1506   1.8  thorpej 			    cpa + i, LLADDR(ifp->if_sadl)[i]);
   1507   1.1  thorpej 		}
   1508   1.1  thorpej 		break;
   1509   1.8  thorpej 	    }
   1510   1.1  thorpej 
   1511   1.1  thorpej 	default:
   1512   1.1  thorpej 		/* Nothing. */
   1513   1.1  thorpej 	}
   1514   1.1  thorpej 
   1515   1.1  thorpej 	/*
   1516   1.1  thorpej 	 * Set the receive filter.  This will start the transmit and
   1517   1.1  thorpej 	 * receive processes.
   1518   1.1  thorpej 	 */
   1519   1.1  thorpej 	(*sc->sc_filter_setup)(sc);
   1520   1.1  thorpej 
   1521   1.1  thorpej 	/*
   1522  1.16  thorpej 	 * Set the current media.
   1523  1.16  thorpej 	 */
   1524  1.16  thorpej 	(void) (*sc->sc_mediasw->tmsw_set)(sc);
   1525  1.16  thorpej 
   1526  1.16  thorpej 	/*
   1527   1.1  thorpej 	 * Start the receive process.
   1528   1.1  thorpej 	 */
   1529   1.1  thorpej 	TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD);
   1530   1.1  thorpej 
   1531   1.6  thorpej 	if (sc->sc_tick != NULL) {
   1532   1.1  thorpej 		/* Start the one second clock. */
   1533   1.6  thorpej 		timeout(sc->sc_tick, sc, hz);
   1534   1.1  thorpej 	}
   1535   1.1  thorpej 
   1536   1.1  thorpej 	/*
   1537   1.1  thorpej 	 * Note that the interface is now running.
   1538   1.1  thorpej 	 */
   1539   1.1  thorpej 	ifp->if_flags |= IFF_RUNNING;
   1540   1.1  thorpej 	ifp->if_flags &= ~IFF_OACTIVE;
   1541   1.1  thorpej 
   1542   1.1  thorpej  out:
   1543   1.1  thorpej 	if (error)
   1544   1.1  thorpej 		printf("%s: interface not running\n", sc->sc_dev.dv_xname);
   1545   1.1  thorpej 	return (error);
   1546   1.1  thorpej }
   1547   1.1  thorpej 
   1548   1.1  thorpej /*
   1549   1.1  thorpej  * tlp_rxdrain:
   1550   1.1  thorpej  *
   1551   1.1  thorpej  *	Drain the receive queue.
   1552   1.1  thorpej  */
   1553   1.1  thorpej void
   1554   1.1  thorpej tlp_rxdrain(sc)
   1555   1.1  thorpej 	struct tulip_softc *sc;
   1556   1.1  thorpej {
   1557   1.1  thorpej 	struct tulip_rxsoft *rxs;
   1558   1.1  thorpej 	int i;
   1559   1.1  thorpej 
   1560   1.1  thorpej 	for (i = 0; i < TULIP_NRXDESC; i++) {
   1561   1.1  thorpej 		rxs = &sc->sc_rxsoft[i];
   1562   1.1  thorpej 		if (rxs->rxs_mbuf != NULL) {
   1563   1.1  thorpej 			bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap);
   1564   1.1  thorpej 			m_freem(rxs->rxs_mbuf);
   1565   1.1  thorpej 			rxs->rxs_mbuf = NULL;
   1566   1.1  thorpej 		}
   1567   1.1  thorpej 	}
   1568   1.1  thorpej }
   1569   1.1  thorpej 
   1570   1.1  thorpej /*
   1571   1.1  thorpej  * tlp_stop:
   1572   1.1  thorpej  *
   1573   1.1  thorpej  *	Stop transmission on the interface.
   1574   1.1  thorpej  */
   1575   1.1  thorpej void
   1576   1.1  thorpej tlp_stop(sc, drain)
   1577   1.1  thorpej 	struct tulip_softc *sc;
   1578   1.1  thorpej 	int drain;
   1579   1.1  thorpej {
   1580   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
   1581   1.1  thorpej 	struct tulip_txsoft *txs;
   1582   1.1  thorpej 
   1583   1.6  thorpej 	if (sc->sc_tick != NULL) {
   1584   1.1  thorpej 		/* Stop the one second clock. */
   1585   1.6  thorpej 		untimeout(sc->sc_tick, sc);
   1586   1.1  thorpej 	}
   1587   1.1  thorpej 
   1588   1.1  thorpej 	/* Disable interrupts. */
   1589   1.1  thorpej 	TULIP_WRITE(sc, CSR_INTEN, 0);
   1590   1.1  thorpej 
   1591   1.1  thorpej 	/* Stop the transmit and receive processes. */
   1592   1.1  thorpej 	TULIP_WRITE(sc, CSR_OPMODE, 0);
   1593   1.1  thorpej 	TULIP_WRITE(sc, CSR_RXLIST, 0);
   1594   1.1  thorpej 	TULIP_WRITE(sc, CSR_TXLIST, 0);
   1595   1.1  thorpej 
   1596   1.1  thorpej 	/*
   1597   1.1  thorpej 	 * Release any queued transmit buffers.
   1598   1.1  thorpej 	 */
   1599   1.1  thorpej 	while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) {
   1600   1.1  thorpej 		SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q);
   1601   1.1  thorpej 		if (txs->txs_mbuf != NULL) {
   1602   1.1  thorpej 			bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap);
   1603   1.1  thorpej 			m_freem(txs->txs_mbuf);
   1604   1.1  thorpej 			txs->txs_mbuf = NULL;
   1605   1.1  thorpej 		}
   1606   1.1  thorpej 		SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q);
   1607   1.1  thorpej 	}
   1608   1.1  thorpej 
   1609   1.1  thorpej 	if (drain) {
   1610   1.1  thorpej 		/*
   1611   1.1  thorpej 		 * Release the receive buffers.
   1612   1.1  thorpej 		 */
   1613   1.1  thorpej 		tlp_rxdrain(sc);
   1614   1.1  thorpej 	}
   1615   1.1  thorpej 
   1616   1.4  thorpej 	sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP);
   1617   1.1  thorpej 
   1618   1.1  thorpej 	/*
   1619   1.1  thorpej 	 * Mark the interface down and cancel the watchdog timer.
   1620   1.1  thorpej 	 */
   1621   1.1  thorpej 	ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
   1622   1.1  thorpej 	ifp->if_timer = 0;
   1623   1.1  thorpej }
   1624   1.1  thorpej 
   1625   1.1  thorpej #define	SROM_EMIT(sc, x)						\
   1626   1.1  thorpej do {									\
   1627   1.1  thorpej 	TULIP_WRITE((sc), CSR_MIIROM, (x));				\
   1628   1.1  thorpej 	delay(1);							\
   1629   1.1  thorpej } while (0)
   1630   1.1  thorpej 
   1631   1.1  thorpej /*
   1632   1.1  thorpej  * tlp_srom_idle:
   1633   1.1  thorpej  *
   1634   1.1  thorpej  *	Put the SROM in idle state.
   1635   1.1  thorpej  */
   1636   1.1  thorpej void
   1637   1.1  thorpej tlp_srom_idle(sc)
   1638   1.1  thorpej 	struct tulip_softc *sc;
   1639   1.1  thorpej {
   1640   1.1  thorpej 	u_int32_t miirom;
   1641   1.1  thorpej 	int i;
   1642   1.1  thorpej 
   1643   1.1  thorpej 	miirom = MIIROM_SR;
   1644   1.1  thorpej 	SROM_EMIT(sc, miirom);
   1645   1.1  thorpej 
   1646   1.1  thorpej 	miirom |= MIIROM_RD;
   1647   1.1  thorpej 	SROM_EMIT(sc, miirom);
   1648   1.1  thorpej 
   1649   1.1  thorpej 	miirom |= MIIROM_SROMCS;
   1650   1.1  thorpej 	SROM_EMIT(sc, miirom);
   1651   1.1  thorpej 
   1652   1.1  thorpej 	SROM_EMIT(sc, miirom|MIIROM_SROMSK);
   1653   1.1  thorpej 
   1654   1.1  thorpej 	/* Strobe the clock 25 times. */
   1655   1.1  thorpej 	for (i = 0; i < 25; i++) {
   1656   1.1  thorpej 		SROM_EMIT(sc, miirom);
   1657   1.1  thorpej 		SROM_EMIT(sc, miirom|MIIROM_SROMSK);
   1658   1.1  thorpej 	}
   1659   1.1  thorpej 
   1660   1.1  thorpej 	SROM_EMIT(sc, miirom);
   1661   1.1  thorpej 
   1662   1.1  thorpej 	miirom &= ~MIIROM_SROMCS;
   1663   1.1  thorpej 	SROM_EMIT(sc, miirom);
   1664   1.1  thorpej 
   1665   1.1  thorpej 	SROM_EMIT(sc, 0);
   1666   1.1  thorpej }
   1667   1.1  thorpej 
   1668   1.1  thorpej /*
   1669   1.1  thorpej  * tlp_read_srom:
   1670   1.1  thorpej  *
   1671   1.1  thorpej  *	Read the Tulip SROM.
   1672   1.1  thorpej  */
   1673   1.1  thorpej void
   1674   1.1  thorpej tlp_read_srom(sc, word, wordcnt, data)
   1675   1.1  thorpej 	struct tulip_softc *sc;
   1676   1.1  thorpej 	int word, wordcnt;
   1677   1.1  thorpej 	u_int16_t *data;
   1678   1.1  thorpej {
   1679   1.1  thorpej 	u_int32_t miirom;
   1680   1.1  thorpej 	int i, x;
   1681   1.1  thorpej 
   1682   1.1  thorpej 	tlp_srom_idle(sc);
   1683   1.1  thorpej 
   1684   1.1  thorpej 	/* Select the SROM. */
   1685   1.1  thorpej 	miirom = MIIROM_SR;
   1686   1.1  thorpej 	SROM_EMIT(sc, miirom);
   1687   1.1  thorpej 
   1688   1.1  thorpej 	miirom |= MIIROM_RD;
   1689   1.1  thorpej 	SROM_EMIT(sc, miirom);
   1690   1.1  thorpej 
   1691   1.1  thorpej 	for (i = 0; i < wordcnt; i++) {
   1692   1.1  thorpej 		/* Send CHIP SELECT for one clock tick. */
   1693   1.1  thorpej 		miirom |= MIIROM_SROMCS;
   1694   1.1  thorpej 		SROM_EMIT(sc, miirom);
   1695   1.1  thorpej 
   1696   1.1  thorpej 		/* Shift in the READ opcode. */
   1697   1.1  thorpej 		for (x = 3; x > 0; x--) {
   1698   1.1  thorpej 			if (TULIP_SROM_OPC_READ & (1 << (x - 1)))
   1699   1.1  thorpej 				miirom |= MIIROM_SROMDI;
   1700   1.1  thorpej 			else
   1701   1.1  thorpej 				miirom &= ~MIIROM_SROMDI;
   1702   1.1  thorpej 			SROM_EMIT(sc, miirom);
   1703   1.1  thorpej 			SROM_EMIT(sc, miirom|MIIROM_SROMSK);
   1704   1.1  thorpej 			SROM_EMIT(sc, miirom);
   1705   1.1  thorpej 		}
   1706   1.1  thorpej 
   1707   1.1  thorpej 		/* Shift in address. */
   1708   1.1  thorpej 		for (x = 6; x > 0; x--) {
   1709   1.1  thorpej 			if ((word + i) & (1 << (x - 1)))
   1710   1.1  thorpej 				miirom |= MIIROM_SROMDI;
   1711   1.1  thorpej 			else
   1712   1.1  thorpej 				miirom &= ~MIIROM_SROMDI;
   1713   1.1  thorpej 			SROM_EMIT(sc, miirom);
   1714   1.1  thorpej 			SROM_EMIT(sc, miirom|MIIROM_SROMSK);
   1715   1.1  thorpej 			SROM_EMIT(sc, miirom);
   1716   1.1  thorpej 		}
   1717   1.1  thorpej 
   1718   1.1  thorpej 		/* Shift out data. */
   1719   1.1  thorpej 		miirom &= ~MIIROM_SROMDI;
   1720   1.1  thorpej 		data[i] = 0;
   1721   1.1  thorpej 		for (x = 16; x > 0; x--) {
   1722   1.1  thorpej 			SROM_EMIT(sc, miirom|MIIROM_SROMSK);
   1723   1.1  thorpej 			if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO))
   1724   1.1  thorpej 				data[i] |= (1 << (x - 1));
   1725   1.1  thorpej 			SROM_EMIT(sc, miirom);
   1726   1.1  thorpej 		}
   1727   1.1  thorpej 
   1728   1.1  thorpej 		/* Clear CHIP SELECT. */
   1729   1.1  thorpej 		miirom &= ~MIIROM_SROMCS;
   1730   1.1  thorpej 		SROM_EMIT(sc, miirom);
   1731   1.1  thorpej 	}
   1732   1.1  thorpej 
   1733   1.1  thorpej 	/* Deselect the SROM. */
   1734   1.1  thorpej 	SROM_EMIT(sc, 0);
   1735   1.1  thorpej 
   1736   1.1  thorpej 	/* ...and idle it. */
   1737   1.1  thorpej 	tlp_srom_idle(sc);
   1738   1.1  thorpej }
   1739   1.1  thorpej 
   1740   1.1  thorpej #undef SROM_EMIT
   1741   1.1  thorpej 
   1742   1.1  thorpej /*
   1743   1.1  thorpej  * tlp_add_rxbuf:
   1744   1.1  thorpej  *
   1745   1.1  thorpej  *	Add a receive buffer to the indicated descriptor.
   1746   1.1  thorpej  */
   1747   1.1  thorpej int
   1748   1.1  thorpej tlp_add_rxbuf(sc, idx)
   1749   1.1  thorpej 	struct tulip_softc *sc;
   1750   1.1  thorpej 	int idx;
   1751   1.1  thorpej {
   1752   1.1  thorpej 	struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx];
   1753   1.1  thorpej 	struct mbuf *m;
   1754   1.1  thorpej 	int error;
   1755   1.1  thorpej 
   1756   1.1  thorpej 	MGETHDR(m, M_DONTWAIT, MT_DATA);
   1757   1.1  thorpej 	if (m == NULL)
   1758   1.1  thorpej 		return (ENOBUFS);
   1759   1.1  thorpej 
   1760   1.1  thorpej 	MCLGET(m, M_DONTWAIT);
   1761   1.1  thorpej 	if ((m->m_flags & M_EXT) == 0) {
   1762   1.1  thorpej 		m_freem(m);
   1763   1.1  thorpej 		return (ENOBUFS);
   1764   1.1  thorpej 	}
   1765   1.1  thorpej 
   1766   1.1  thorpej 	if (rxs->rxs_mbuf != NULL)
   1767   1.1  thorpej 		bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap);
   1768   1.1  thorpej 
   1769   1.1  thorpej 	rxs->rxs_mbuf = m;
   1770   1.1  thorpej 
   1771   1.1  thorpej 	error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap,
   1772   1.1  thorpej 	    m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT);
   1773   1.1  thorpej 	if (error) {
   1774   1.1  thorpej 		printf("%s: can't load rx DMA map %d, error = %d\n",
   1775   1.1  thorpej 		    sc->sc_dev.dv_xname, idx, error);
   1776   1.1  thorpej 		panic("tlp_add_rxbuf");	/* XXX */
   1777   1.1  thorpej 	}
   1778   1.1  thorpej 
   1779   1.1  thorpej 	bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0,
   1780   1.1  thorpej 	    rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD);
   1781   1.1  thorpej 
   1782   1.1  thorpej 	TULIP_INIT_RXDESC(sc, idx);
   1783   1.1  thorpej 
   1784   1.1  thorpej 	return (0);
   1785   1.1  thorpej }
   1786   1.1  thorpej 
   1787   1.1  thorpej /*
   1788   1.1  thorpej  * tlp_crc32:
   1789   1.1  thorpej  *
   1790   1.1  thorpej  *	Compute the 32-bit CRC of the provided buffer.
   1791   1.1  thorpej  */
   1792   1.1  thorpej u_int32_t
   1793   1.1  thorpej tlp_crc32(buf, len)
   1794   1.1  thorpej 	const u_int8_t *buf;
   1795   1.1  thorpej 	size_t len;
   1796   1.1  thorpej {
   1797   1.1  thorpej 	static const u_int32_t crctab[] = {
   1798   1.1  thorpej 		0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac,
   1799   1.1  thorpej 		0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
   1800   1.1  thorpej 		0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c,
   1801   1.1  thorpej 		0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c
   1802   1.1  thorpej 	};
   1803   1.1  thorpej 	u_int32_t crc;
   1804   1.1  thorpej 	int i;
   1805   1.1  thorpej 
   1806   1.1  thorpej 	crc = 0xffffffff;
   1807   1.1  thorpej 	for (i = 0; i < len; i++) {
   1808   1.1  thorpej 		crc ^= buf[i];
   1809   1.1  thorpej 		crc = (crc >> 4) ^ crctab[crc & 0xf];
   1810   1.1  thorpej 		crc = (crc >> 4) ^ crctab[crc & 0xf];
   1811   1.1  thorpej 	}
   1812   1.1  thorpej 	return (crc);
   1813   1.1  thorpej }
   1814   1.1  thorpej 
   1815   1.1  thorpej /*
   1816   1.1  thorpej  * tlp_srom_crcok:
   1817   1.1  thorpej  *
   1818   1.1  thorpej  *	Check the CRC of the Tulip SROM.
   1819   1.1  thorpej  */
   1820   1.1  thorpej int
   1821   1.1  thorpej tlp_srom_crcok(romdata)
   1822  1.13  thorpej 	const u_int8_t *romdata;
   1823   1.1  thorpej {
   1824   1.1  thorpej 	u_int32_t crc;
   1825   1.1  thorpej 
   1826   1.7  thorpej 	crc = tlp_crc32(romdata, TULIP_ROM_CRC32_CHECKSUM);
   1827   1.7  thorpej 	crc = (crc & 0xffff) ^ 0xffff;
   1828   1.7  thorpej 	if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM))
   1829   1.1  thorpej 		return (1);
   1830   1.1  thorpej 	return (0);
   1831   1.1  thorpej }
   1832   1.1  thorpej 
   1833   1.1  thorpej /*
   1834  1.13  thorpej  * tlp_isv_srom:
   1835  1.13  thorpej  *
   1836  1.13  thorpej  *	Check to see if the SROM is in the new standardized format.
   1837  1.13  thorpej  */
   1838  1.13  thorpej int
   1839  1.13  thorpej tlp_isv_srom(romdata)
   1840  1.13  thorpej 	const u_int8_t *romdata;
   1841  1.13  thorpej {
   1842  1.13  thorpej 	int i;
   1843  1.13  thorpej 	u_int16_t cksum;
   1844  1.13  thorpej 
   1845  1.13  thorpej 	if (tlp_srom_crcok(romdata)) {
   1846  1.13  thorpej 		/*
   1847  1.13  thorpej 		 * SROM CRC checks out; must be in the new format.
   1848  1.13  thorpej 		 */
   1849  1.13  thorpej 		return (1);
   1850  1.13  thorpej 	}
   1851  1.13  thorpej 
   1852  1.13  thorpej 	cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM);
   1853  1.13  thorpej 	if (cksum == 0xffff || cksum == 0) {
   1854  1.13  thorpej 		/*
   1855  1.13  thorpej 		 * No checksum present.  Check the SROM ID; 18 bytes of 0
   1856  1.13  thorpej 		 * followed by 1 (version) followed by the number of
   1857  1.13  thorpej 		 * adapters which use this SROM (should be non-zero).
   1858  1.13  thorpej 		 */
   1859  1.13  thorpej 		for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) {
   1860  1.13  thorpej 			if (romdata[i] != 0)
   1861  1.13  thorpej 				return (0);
   1862  1.13  thorpej 		}
   1863  1.13  thorpej 		if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1)
   1864  1.13  thorpej 			return (0);
   1865  1.13  thorpej 		if (romdata[TULIP_ROM_CHIP_COUNT] == 0)
   1866  1.13  thorpej 			return (0);
   1867  1.13  thorpej 		return (1);
   1868  1.13  thorpej 	}
   1869  1.13  thorpej 
   1870  1.13  thorpej 	return (0);
   1871  1.13  thorpej }
   1872  1.13  thorpej 
   1873  1.13  thorpej /*
   1874  1.13  thorpej  * tlp_isv_srom_enaddr:
   1875  1.13  thorpej  *
   1876  1.13  thorpej  *	Get the Ethernet address from an ISV SROM.
   1877  1.13  thorpej  */
   1878  1.13  thorpej int
   1879  1.13  thorpej tlp_isv_srom_enaddr(sc, enaddr)
   1880  1.13  thorpej 	struct tulip_softc *sc;
   1881  1.13  thorpej 	u_int8_t *enaddr;
   1882  1.13  thorpej {
   1883  1.13  thorpej 	int i, devcnt;
   1884  1.13  thorpej 
   1885  1.13  thorpej 	if (tlp_isv_srom(sc->sc_srom) == 0)
   1886  1.13  thorpej 		return (0);
   1887  1.13  thorpej 
   1888  1.13  thorpej 	devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT];
   1889  1.13  thorpej 	for (i = 0; i < devcnt; i++) {
   1890  1.13  thorpej 		if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1)
   1891  1.13  thorpej 			break;
   1892  1.13  thorpej 		if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] ==
   1893  1.13  thorpej 		    sc->sc_devno)
   1894  1.13  thorpej 			break;
   1895  1.13  thorpej 	}
   1896  1.13  thorpej 
   1897  1.13  thorpej 	if (i == devcnt)
   1898  1.13  thorpej 		return (0);
   1899  1.13  thorpej 
   1900  1.13  thorpej 	memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS],
   1901  1.13  thorpej 	    ETHER_ADDR_LEN);
   1902  1.13  thorpej 	enaddr[5] += i;
   1903  1.13  thorpej 
   1904  1.13  thorpej 	return (1);
   1905  1.13  thorpej }
   1906  1.13  thorpej 
   1907  1.13  thorpej /*
   1908   1.7  thorpej  * tlp_parse_old_srom:
   1909   1.7  thorpej  *
   1910   1.7  thorpej  *	Parse old-format SROMs.
   1911   1.7  thorpej  *
   1912   1.7  thorpej  *	This routine is largely lifted from Matt Thomas's `de' driver.
   1913   1.7  thorpej  */
   1914   1.7  thorpej int
   1915   1.7  thorpej tlp_parse_old_srom(sc, enaddr)
   1916   1.7  thorpej 	struct tulip_softc *sc;
   1917   1.7  thorpej 	u_int8_t *enaddr;
   1918   1.7  thorpej {
   1919   1.7  thorpej 	static const u_int8_t testpat[] =
   1920   1.7  thorpej 	    { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa };
   1921   1.7  thorpej 	int i;
   1922   1.7  thorpej 	u_int32_t cksum;
   1923   1.7  thorpej 
   1924   1.7  thorpej 	if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) {
   1925   1.7  thorpej 		/*
   1926   1.7  thorpej 		 * Some vendors (e.g. ZNYX) don't use the standard
   1927   1.7  thorpej 		 * DEC Address ROM format, but rather just have an
   1928   1.7  thorpej 		 * Ethernet address in the first 6 bytes, maybe a
   1929   1.7  thorpej 		 * 2 byte checksum, and then all 0xff's.
   1930   1.7  thorpej 		 */
   1931   1.7  thorpej 		for (i = 8; i < 32; i++) {
   1932   1.7  thorpej 			if (sc->sc_srom[i] != 0xff)
   1933   1.7  thorpej 				return (0);
   1934   1.7  thorpej 		}
   1935   1.7  thorpej 
   1936   1.7  thorpej 		/*
   1937   1.7  thorpej 		 * Sanity check the Ethernet address:
   1938   1.7  thorpej 		 *
   1939   1.7  thorpej 		 *	- Make sure it's not multicast or locally
   1940   1.7  thorpej 		 *	  assigned
   1941   1.7  thorpej 		 *	- Make sure it has a non-0 OUI
   1942   1.7  thorpej 		 */
   1943   1.7  thorpej 		if (sc->sc_srom[0] & 3)
   1944   1.7  thorpej 			return (0);
   1945   1.7  thorpej 		if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 &&
   1946   1.7  thorpej 		    sc->sc_srom[2] == 0)
   1947   1.7  thorpej 			return (0);
   1948   1.7  thorpej 
   1949   1.7  thorpej 		memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
   1950   1.7  thorpej 		return (1);
   1951   1.7  thorpej 	}
   1952   1.7  thorpej 
   1953   1.7  thorpej 	/*
   1954   1.7  thorpej 	 * Standard DEC Address ROM test.
   1955   1.7  thorpej 	 */
   1956   1.7  thorpej 
   1957   1.7  thorpej 	if (memcmp(&sc->sc_srom[24], testpat, 8) != 0)
   1958   1.7  thorpej 		return (0);
   1959   1.7  thorpej 
   1960   1.7  thorpej 	for (i = 0; i < 8; i++) {
   1961   1.7  thorpej 		if (sc->sc_srom[i] != sc->sc_srom[15 - i])
   1962   1.7  thorpej 			return (0);
   1963   1.7  thorpej 	}
   1964   1.7  thorpej 
   1965   1.7  thorpej 	memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
   1966   1.7  thorpej 
   1967   1.7  thorpej 	cksum = *(u_int16_t *) &enaddr[0];
   1968   1.7  thorpej 
   1969   1.7  thorpej 	cksum <<= 1;
   1970   1.7  thorpej 	if (cksum > 0xffff)
   1971   1.7  thorpej 		cksum -= 0xffff;
   1972   1.7  thorpej 
   1973   1.7  thorpej 	cksum += *(u_int16_t *) &enaddr[2];
   1974   1.7  thorpej 	if (cksum > 0xffff)
   1975   1.7  thorpej 		cksum -= 0xffff;
   1976   1.7  thorpej 
   1977   1.7  thorpej 	cksum <<= 1;
   1978   1.7  thorpej 	if (cksum > 0xffff)
   1979   1.7  thorpej 		cksum -= 0xffff;
   1980   1.7  thorpej 
   1981   1.7  thorpej 	cksum += *(u_int16_t *) &enaddr[4];
   1982   1.7  thorpej 	if (cksum >= 0xffff)
   1983   1.7  thorpej 		cksum -= 0xffff;
   1984   1.7  thorpej 
   1985   1.7  thorpej 	if (cksum != *(u_int16_t *) &sc->sc_srom[6])
   1986   1.7  thorpej 		return (0);
   1987   1.7  thorpej 
   1988   1.7  thorpej 	return (1);
   1989   1.7  thorpej }
   1990   1.7  thorpej 
   1991   1.7  thorpej /*
   1992   1.1  thorpej  * tlp_filter_setup:
   1993   1.1  thorpej  *
   1994   1.1  thorpej  *	Set the Tulip's receive filter.
   1995   1.1  thorpej  */
   1996   1.1  thorpej void
   1997   1.1  thorpej tlp_filter_setup(sc)
   1998   1.1  thorpej 	struct tulip_softc *sc;
   1999   1.1  thorpej {
   2000   1.1  thorpej 	struct ethercom *ec = &sc->sc_ethercom;
   2001   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
   2002   1.1  thorpej 	struct ether_multi *enm;
   2003   1.1  thorpej 	struct ether_multistep step;
   2004   1.1  thorpej 	__volatile u_int32_t *sp;
   2005   1.1  thorpej 	u_int8_t enaddr[ETHER_ADDR_LEN];
   2006   1.1  thorpej 	u_int32_t hash;
   2007   1.1  thorpej 	int cnt;
   2008   1.1  thorpej 
   2009   1.5  thorpej 	DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n",
   2010   1.1  thorpej 	    sc->sc_dev.dv_xname, sc->sc_flags));
   2011   1.1  thorpej 
   2012   1.1  thorpej 	memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN);
   2013   1.1  thorpej 
   2014   1.1  thorpej 	/*
   2015   1.1  thorpej 	 * If there are transmissions pending, wait until they have
   2016   1.1  thorpej 	 * completed.
   2017   1.1  thorpej 	 */
   2018   1.4  thorpej 	if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL ||
   2019   1.4  thorpej 	    (sc->sc_flags & TULIPF_DOING_SETUP) != 0) {
   2020   1.1  thorpej 		sc->sc_flags |= TULIPF_WANT_SETUP;
   2021   1.5  thorpej 		DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n",
   2022   1.1  thorpej 		    sc->sc_dev.dv_xname));
   2023   1.1  thorpej 		return;
   2024   1.1  thorpej 	}
   2025   1.1  thorpej 	sc->sc_flags &= ~TULIPF_WANT_SETUP;
   2026   1.1  thorpej 
   2027   1.1  thorpej 	/*
   2028   1.1  thorpej 	 * If we're running, idle the transmit and receive engines.  If
   2029   1.1  thorpej 	 * we're NOT running, we're being called from tlp_init(), and our
   2030   1.1  thorpej 	 * writing OPMODE will start the transmit and receive processes
   2031   1.1  thorpej 	 * in motion.
   2032   1.1  thorpej 	 */
   2033  1.16  thorpej 	if (ifp->if_flags & IFF_RUNNING) {
   2034  1.16  thorpej 		/*
   2035  1.16  thorpej 		 * Actually, some chips seem to need a really hard
   2036  1.16  thorpej 		 * kick in the head for this to work.  The genuine
   2037  1.16  thorpej 		 * DEC chips can just be idled, but some of the
   2038  1.16  thorpej 		 * clones seem to REALLY want a reset here.  Doing
   2039  1.16  thorpej 		 * the reset will end up here again, but with
   2040  1.16  thorpej 		 * IFF_RUNNING cleared.
   2041  1.16  thorpej 		 */
   2042  1.16  thorpej 		switch (sc->sc_chip) {
   2043  1.16  thorpej 		case TULIP_CHIP_82C168:
   2044  1.16  thorpej 		case TULIP_CHIP_82C169:
   2045  1.16  thorpej 			tlp_init(sc);
   2046  1.16  thorpej 			return;
   2047  1.16  thorpej 
   2048  1.16  thorpej 		default:
   2049  1.16  thorpej 			tlp_idle(sc, OPMODE_ST|OPMODE_SR);
   2050  1.16  thorpej 		}
   2051  1.16  thorpej 	}
   2052   1.1  thorpej 
   2053   1.1  thorpej 	sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM);
   2054   1.1  thorpej 
   2055   1.1  thorpej 	if (ifp->if_flags & IFF_PROMISC) {
   2056   1.1  thorpej 		sc->sc_opmode |= OPMODE_PR;
   2057   1.1  thorpej 		goto allmulti;
   2058   1.1  thorpej 	}
   2059   1.1  thorpej 
   2060   1.1  thorpej 	/*
   2061   1.1  thorpej 	 * Try Perfect filtering first.
   2062   1.1  thorpej 	 */
   2063   1.1  thorpej 
   2064   1.1  thorpej 	sc->sc_filtmode = TDCTL_Tx_FT_PERFECT;
   2065   1.1  thorpej 	sp = TULIP_CDSP(sc);
   2066   1.1  thorpej 	memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN);
   2067   1.1  thorpej 	cnt = 0;
   2068   1.1  thorpej 	ETHER_FIRST_MULTI(step, ec, enm);
   2069   1.1  thorpej 	while (enm != NULL) {
   2070   1.1  thorpej 		if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) {
   2071   1.1  thorpej 			/*
   2072   1.1  thorpej 			 * We must listen to a range of multicast addresses.
   2073   1.1  thorpej 			 * For now, just accept all multicasts, rather than
   2074   1.1  thorpej 			 * trying to set only those filter bits needed to match
   2075   1.1  thorpej 			 * the range.  (At this time, the only use of address
   2076   1.1  thorpej 			 * ranges is for IP multicast routing, for which the
   2077   1.1  thorpej 			 * range is big enough to require all bits set.)
   2078   1.1  thorpej 			 */
   2079   1.1  thorpej 			goto allmulti;
   2080   1.1  thorpej 		}
   2081   1.1  thorpej 		if (cnt == (TULIP_MAXADDRS - 2)) {
   2082   1.1  thorpej 			/*
   2083   1.1  thorpej 			 * We already have our multicast limit (still need
   2084   1.1  thorpej 			 * our station address and broadcast).  Go to
   2085   1.1  thorpej 			 * Hash-Perfect mode.
   2086   1.1  thorpej 			 */
   2087   1.1  thorpej 			goto hashperfect;
   2088   1.1  thorpej 		}
   2089   1.1  thorpej 		*sp++ = ((u_int16_t *) enm->enm_addrlo)[0];
   2090   1.1  thorpej 		*sp++ = ((u_int16_t *) enm->enm_addrlo)[1];
   2091   1.1  thorpej 		*sp++ = ((u_int16_t *) enm->enm_addrlo)[2];
   2092   1.1  thorpej 		ETHER_NEXT_MULTI(step, enm);
   2093   1.1  thorpej 	}
   2094   1.1  thorpej 
   2095   1.1  thorpej 	if (ifp->if_flags & IFF_BROADCAST) {
   2096   1.1  thorpej 		/* ...and the broadcast address. */
   2097   1.1  thorpej 		cnt++;
   2098   1.1  thorpej 		*sp++ = 0xffff;
   2099   1.1  thorpej 		*sp++ = 0xffff;
   2100   1.1  thorpej 		*sp++ = 0xffff;
   2101   1.1  thorpej 	}
   2102   1.1  thorpej 
   2103   1.1  thorpej 	/* Pad the rest with our station address. */
   2104   1.1  thorpej 	for (; cnt < TULIP_MAXADDRS; cnt++) {
   2105   1.1  thorpej 		*sp++ = ((u_int16_t *) enaddr)[0];
   2106   1.1  thorpej 		*sp++ = ((u_int16_t *) enaddr)[1];
   2107   1.1  thorpej 		*sp++ = ((u_int16_t *) enaddr)[2];
   2108   1.1  thorpej 	}
   2109   1.1  thorpej 	ifp->if_flags &= ~IFF_ALLMULTI;
   2110   1.1  thorpej 	goto setit;
   2111   1.1  thorpej 
   2112   1.1  thorpej  hashperfect:
   2113   1.1  thorpej 	/*
   2114   1.1  thorpej 	 * Try Hash-Perfect mode.
   2115   1.1  thorpej 	 */
   2116   1.1  thorpej 
   2117   1.1  thorpej 	/*
   2118   1.1  thorpej 	 * Some 21140 chips have broken Hash-Perfect modes.  On these
   2119   1.1  thorpej 	 * chips, we simply use Hash-Only mode, and put our station
   2120   1.1  thorpej 	 * address into the filter.
   2121   1.1  thorpej 	 */
   2122   1.1  thorpej 	if (sc->sc_chip == TULIP_CHIP_21140)
   2123   1.1  thorpej 		sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY;
   2124   1.1  thorpej 	else
   2125   1.1  thorpej 		sc->sc_filtmode = TDCTL_Tx_FT_HASH;
   2126   1.1  thorpej 	sp = TULIP_CDSP(sc);
   2127   1.1  thorpej 	memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN);
   2128   1.1  thorpej 	ETHER_FIRST_MULTI(step, ec, enm);
   2129   1.1  thorpej 	while (enm != NULL) {
   2130   1.1  thorpej 		if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) {
   2131   1.1  thorpej 			/*
   2132   1.1  thorpej 			 * We must listen to a range of multicast addresses.
   2133   1.1  thorpej 			 * For now, just accept all multicasts, rather than
   2134   1.1  thorpej 			 * trying to set only those filter bits needed to match
   2135   1.1  thorpej 			 * the range.  (At this time, the only use of address
   2136   1.1  thorpej 			 * ranges is for IP multicast routing, for which the
   2137   1.1  thorpej 			 * range is big enough to require all bits set.)
   2138   1.1  thorpej 			 */
   2139   1.1  thorpej 			goto allmulti;
   2140   1.1  thorpej 		}
   2141   1.1  thorpej 		hash = tlp_mchash(enm->enm_addrlo);
   2142   1.1  thorpej 		sp[hash >> 4] |= 1 << (hash & 0xf);
   2143   1.1  thorpej 		ETHER_NEXT_MULTI(step, enm);
   2144   1.1  thorpej 	}
   2145   1.1  thorpej 
   2146   1.1  thorpej 	if (ifp->if_flags & IFF_BROADCAST) {
   2147   1.1  thorpej 		/* ...and the broadcast address. */
   2148   1.1  thorpej 		hash = tlp_mchash(etherbroadcastaddr);
   2149   1.1  thorpej 		sp[hash >> 4] |= 1 << (hash & 0xf);
   2150   1.1  thorpej 	}
   2151   1.1  thorpej 
   2152   1.1  thorpej 	if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) {
   2153   1.1  thorpej 		/* ...and our station address. */
   2154   1.1  thorpej 		hash = tlp_mchash(enaddr);
   2155   1.1  thorpej 		sp[hash >> 4] |= 1 << (hash & 0xf);
   2156   1.1  thorpej 	} else {
   2157   1.1  thorpej 		/*
   2158   1.1  thorpej 		 * Hash-Perfect mode; put our station address after
   2159   1.1  thorpej 		 * the hash table.
   2160   1.1  thorpej 		 */
   2161   1.1  thorpej 		sp[39] = ((u_int16_t *) enaddr)[0];
   2162   1.1  thorpej 		sp[40] = ((u_int16_t *) enaddr)[1];
   2163   1.1  thorpej 		sp[41] = ((u_int16_t *) enaddr)[2];
   2164   1.1  thorpej 	}
   2165   1.1  thorpej 	ifp->if_flags &= ~IFF_ALLMULTI;
   2166   1.1  thorpej 	goto setit;
   2167   1.1  thorpej 
   2168   1.1  thorpej  allmulti:
   2169   1.1  thorpej 	/*
   2170   1.1  thorpej 	 * Use Perfect filter mode.  First address is the broadcast address,
   2171   1.1  thorpej 	 * and pad the rest with our station address.  We'll set Pass-all-
   2172   1.1  thorpej 	 * multicast in OPMODE below.
   2173   1.1  thorpej 	 */
   2174   1.1  thorpej 	sc->sc_filtmode = TDCTL_Tx_FT_PERFECT;
   2175   1.1  thorpej 	sp = TULIP_CDSP(sc);
   2176   1.1  thorpej 	memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN);
   2177   1.1  thorpej 	cnt = 0;
   2178   1.1  thorpej 	if (ifp->if_flags & IFF_BROADCAST) {
   2179   1.1  thorpej 		cnt++;
   2180   1.1  thorpej 		*sp++ = 0xffff;
   2181   1.1  thorpej 		*sp++ = 0xffff;
   2182   1.1  thorpej 		*sp++ = 0xffff;
   2183   1.1  thorpej 	}
   2184   1.1  thorpej 	for (; cnt < TULIP_MAXADDRS; cnt++) {
   2185   1.1  thorpej 		*sp++ = ((u_int16_t *) enaddr)[0];
   2186   1.1  thorpej 		*sp++ = ((u_int16_t *) enaddr)[1];
   2187   1.1  thorpej 		*sp++ = ((u_int16_t *) enaddr)[2];
   2188   1.1  thorpej 	}
   2189   1.1  thorpej 	ifp->if_flags |= IFF_ALLMULTI;
   2190   1.1  thorpej 
   2191   1.1  thorpej  setit:
   2192   1.1  thorpej 	if (ifp->if_flags & IFF_ALLMULTI)
   2193   1.1  thorpej 		sc->sc_opmode |= OPMODE_PM;
   2194   1.1  thorpej 
   2195   1.1  thorpej 	/* Sync the setup packet buffer. */
   2196   1.1  thorpej 	TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE);
   2197   1.1  thorpej 
   2198   1.1  thorpej 	/*
   2199   1.1  thorpej 	 * Fill in the setup packet descriptor.
   2200   1.1  thorpej 	 */
   2201   1.1  thorpej 	sc->sc_setup_desc.td_bufaddr1 = TULIP_CDSPADDR(sc);
   2202   1.1  thorpej 	sc->sc_setup_desc.td_bufaddr2 = TULIP_CDTXADDR(sc, sc->sc_txnext);
   2203   1.1  thorpej 	sc->sc_setup_desc.td_ctl =
   2204   1.1  thorpej 	    (TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) |
   2205   1.1  thorpej 	    sc->sc_filtmode | TDCTL_Tx_SET | TDCTL_Tx_FS | TDCTL_Tx_LS |
   2206   1.4  thorpej 	    TDCTL_Tx_IC | TDCTL_CH;
   2207   1.1  thorpej 	sc->sc_setup_desc.td_status = TDSTAT_OWN;
   2208   1.1  thorpej 	TULIP_CDSDSYNC(sc, BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
   2209   1.1  thorpej 
   2210   1.1  thorpej 	/*
   2211   1.1  thorpej 	 * Write the address of the setup descriptor.  This also has
   2212   1.1  thorpej 	 * the side effect of giving the transmit ring to the chip,
   2213   1.1  thorpej 	 * since the setup descriptor points to the next available
   2214   1.1  thorpej 	 * descriptor in the ring.
   2215   1.1  thorpej 	 */
   2216   1.1  thorpej 	TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDSDADDR(sc));
   2217   1.1  thorpej 
   2218   1.1  thorpej 	/*
   2219   1.1  thorpej 	 * Set the OPMODE register.  This will also resume the
   2220   1.1  thorpej 	 * transmit transmit process we idled above.
   2221   1.1  thorpej 	 */
   2222   1.1  thorpej 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
   2223   1.1  thorpej 
   2224   1.4  thorpej 	sc->sc_flags |= TULIPF_DOING_SETUP;
   2225   1.4  thorpej 
   2226   1.1  thorpej 	/*
   2227   1.1  thorpej 	 * Kick the transmitter; this will cause the Tulip to
   2228   1.1  thorpej 	 * read the setup descriptor.
   2229   1.1  thorpej 	 */
   2230   1.1  thorpej 	/* XXX USE AUTOPOLLING? */
   2231   1.1  thorpej 	TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD);
   2232   1.1  thorpej 
   2233   1.4  thorpej 	/* Set up a watchdog timer in case the chip flakes out. */
   2234   1.4  thorpej 	ifp->if_timer = 5;
   2235   1.4  thorpej 
   2236   1.5  thorpej 	DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname));
   2237   1.1  thorpej }
   2238   1.1  thorpej 
   2239   1.1  thorpej /*
   2240   1.1  thorpej  * tlp_winb_filter_setup:
   2241   1.1  thorpej  *
   2242   1.1  thorpej  *	Set the Winbond 89C840F's receive filter.
   2243   1.1  thorpej  */
   2244   1.1  thorpej void
   2245   1.1  thorpej tlp_winb_filter_setup(sc)
   2246   1.1  thorpej 	struct tulip_softc *sc;
   2247   1.1  thorpej {
   2248   1.1  thorpej 	struct ethercom *ec = &sc->sc_ethercom;
   2249   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
   2250   1.1  thorpej 	struct ether_multi *enm;
   2251   1.1  thorpej 	struct ether_multistep step;
   2252   1.1  thorpej 	u_int32_t hash, mchash[2];
   2253   1.1  thorpej 
   2254   1.5  thorpej 	DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n",
   2255   1.1  thorpej 	    sc->sc_dev.dv_xname, sc->sc_flags));
   2256   1.1  thorpej 
   2257   1.5  thorpej 	sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP);
   2258   1.5  thorpej 
   2259   1.5  thorpej 	if (ifp->if_flags & IFF_MULTICAST)
   2260   1.5  thorpej 		sc->sc_opmode |= OPMODE_WINB_AMP;
   2261   1.5  thorpej 
   2262   1.5  thorpej 	if (ifp->if_flags & IFF_BROADCAST)
   2263   1.5  thorpej 		sc->sc_opmode |= OPMODE_WINB_ABP;
   2264   1.1  thorpej 
   2265   1.1  thorpej 	if (ifp->if_flags & IFF_PROMISC) {
   2266   1.5  thorpej 		sc->sc_opmode |= OPMODE_WINB_APP;
   2267   1.1  thorpej 		goto allmulti;
   2268   1.1  thorpej 	}
   2269   1.1  thorpej 
   2270   1.1  thorpej 	mchash[0] = mchash[1] = 0;
   2271   1.1  thorpej 
   2272   1.1  thorpej 	ETHER_FIRST_MULTI(step, ec, enm);
   2273   1.1  thorpej 	while (enm != NULL) {
   2274   1.1  thorpej 		if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) {
   2275   1.1  thorpej 			/*
   2276   1.1  thorpej 			 * We must listen to a range of multicast addresses.
   2277   1.1  thorpej 			 * For now, just accept all multicasts, rather than
   2278   1.1  thorpej 			 * trying to set only those filter bits needed to match
   2279   1.1  thorpej 			 * the range.  (At this time, the only use of address
   2280   1.1  thorpej 			 * ranges is for IP multicast routing, for which the
   2281   1.1  thorpej 			 * range is big enough to require all bits set.)
   2282   1.1  thorpej 			 */
   2283   1.1  thorpej 			goto allmulti;
   2284   1.1  thorpej 		}
   2285   1.1  thorpej 
   2286   1.1  thorpej 		/*
   2287   1.1  thorpej 		 * According to the FreeBSD `wb' driver, yes, you
   2288   1.1  thorpej 		 * really do invert the hash.
   2289   1.1  thorpej 		 */
   2290   1.1  thorpej 		hash = (~(tlp_crc32(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26))
   2291   1.1  thorpej 		    & 0x3f;
   2292   1.1  thorpej 		mchash[hash >> 5] |= 1 << (hash & 0x1f);
   2293   1.1  thorpej 		ETHER_NEXT_MULTI(step, enm);
   2294   1.1  thorpej 	}
   2295   1.1  thorpej 	ifp->if_flags &= ~IFF_ALLMULTI;
   2296   1.1  thorpej 	goto setit;
   2297   1.1  thorpej 
   2298   1.1  thorpej  allmulti:
   2299   1.1  thorpej 	ifp->if_flags |= IFF_ALLMULTI;
   2300   1.1  thorpej 	mchash[0] = mchash[1] = 0xffffffff;
   2301   1.1  thorpej 
   2302   1.1  thorpej  setit:
   2303   1.5  thorpej 	TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]);
   2304   1.5  thorpej 	TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]);
   2305   1.1  thorpej 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
   2306   1.5  thorpej 	DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n",
   2307   1.1  thorpej 	    sc->sc_dev.dv_xname));
   2308   1.1  thorpej }
   2309   1.1  thorpej 
   2310   1.1  thorpej /*
   2311   1.1  thorpej  * tlp_idle:
   2312   1.1  thorpej  *
   2313   1.1  thorpej  *	Cause the transmit and/or receive processes to go idle.
   2314   1.1  thorpej  */
   2315   1.1  thorpej void
   2316   1.1  thorpej tlp_idle(sc, bits)
   2317   1.1  thorpej 	struct tulip_softc *sc;
   2318   1.1  thorpej 	u_int32_t bits;
   2319   1.1  thorpej {
   2320   1.1  thorpej 	static const char *tx_state_names[] = {
   2321   1.1  thorpej 		"STOPPED",
   2322   1.1  thorpej 		"RUNNING - FETCH",
   2323   1.1  thorpej 		"RUNNING - WAIT",
   2324   1.1  thorpej 		"RUNNING - READING",
   2325   1.1  thorpej 		"-- RESERVED --",
   2326   1.1  thorpej 		"RUNNING - SETUP",
   2327   1.1  thorpej 		"SUSPENDED",
   2328   1.1  thorpej 		"RUNNING - CLOSE",
   2329   1.1  thorpej 	};
   2330   1.1  thorpej 	static const char *rx_state_names[] = {
   2331   1.1  thorpej 		"STOPPED",
   2332   1.1  thorpej 		"RUNNING - FETCH",
   2333   1.1  thorpej 		"RUNNING - CHECK",
   2334   1.1  thorpej 		"RUNNING - WAIT",
   2335   1.1  thorpej 		"SUSPENDED",
   2336   1.1  thorpej 		"RUNNING - CLOSE",
   2337   1.1  thorpej 		"RUNNING - FLUSH",
   2338   1.1  thorpej 		"RUNNING - QUEUE",
   2339   1.1  thorpej 	};
   2340   1.1  thorpej 	u_int32_t csr, ackmask = 0;
   2341   1.1  thorpej 	int i;
   2342   1.1  thorpej 
   2343   1.1  thorpej 	if (bits & OPMODE_ST)
   2344   1.1  thorpej 		ackmask |= STATUS_TPS;
   2345   1.1  thorpej 
   2346   1.1  thorpej 	if (bits & OPMODE_SR)
   2347   1.1  thorpej 		ackmask |= STATUS_RPS;
   2348   1.1  thorpej 
   2349   1.1  thorpej 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits);
   2350   1.1  thorpej 
   2351   1.1  thorpej 	for (i = 0; i < 1000; i++) {
   2352   1.1  thorpej 		if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask)
   2353   1.1  thorpej 			break;
   2354   1.1  thorpej 		delay(10);
   2355   1.1  thorpej 	}
   2356   1.1  thorpej 
   2357   1.1  thorpej 	csr = TULIP_READ(sc, CSR_STATUS);
   2358   1.1  thorpej 	if ((csr & ackmask) != ackmask) {
   2359   1.1  thorpej 		if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 &&
   2360   1.1  thorpej 		    (csr & STATUS_TS) != STATUS_TS_STOPPED)
   2361   1.1  thorpej 			printf("%s: transmit process failed to idle: "
   2362   1.1  thorpej 			    "state %s\n", sc->sc_dev.dv_xname,
   2363   1.1  thorpej 			    tx_state_names[(csr & STATUS_TS) >> 20]);
   2364   1.1  thorpej 		if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 &&
   2365   1.1  thorpej 		    (csr & STATUS_RS) != STATUS_RS_STOPPED)
   2366   1.1  thorpej 			printf("%s: receive process failed to idle: "
   2367   1.1  thorpej 			    "state %s\n", sc->sc_dev.dv_xname,
   2368   1.1  thorpej 			    rx_state_names[(csr & STATUS_RS) >> 17]);
   2369   1.1  thorpej 	}
   2370   1.1  thorpej 	TULIP_WRITE(sc, CSR_STATUS, ackmask);
   2371   1.1  thorpej }
   2372   1.1  thorpej 
   2373   1.1  thorpej /*****************************************************************************
   2374   1.1  thorpej  * Generic media support functions.
   2375   1.1  thorpej  *****************************************************************************/
   2376   1.1  thorpej 
   2377   1.1  thorpej /*
   2378   1.1  thorpej  * tlp_mediastatus:	[ifmedia interface function]
   2379   1.1  thorpej  *
   2380   1.1  thorpej  *	Query the current media.
   2381   1.1  thorpej  */
   2382   1.1  thorpej void
   2383   1.1  thorpej tlp_mediastatus(ifp, ifmr)
   2384   1.1  thorpej 	struct ifnet *ifp;
   2385   1.1  thorpej 	struct ifmediareq *ifmr;
   2386   1.1  thorpej {
   2387   1.1  thorpej 	struct tulip_softc *sc = ifp->if_softc;
   2388   1.1  thorpej 
   2389   1.1  thorpej 	(*sc->sc_mediasw->tmsw_get)(sc, ifmr);
   2390   1.1  thorpej }
   2391   1.1  thorpej 
   2392   1.1  thorpej /*
   2393   1.1  thorpej  * tlp_mediachange:	[ifmedia interface function]
   2394   1.1  thorpej  *
   2395   1.1  thorpej  *	Update the current media.
   2396   1.1  thorpej  */
   2397   1.1  thorpej int
   2398   1.1  thorpej tlp_mediachange(ifp)
   2399   1.1  thorpej 	struct ifnet *ifp;
   2400   1.1  thorpej {
   2401   1.1  thorpej 	struct tulip_softc *sc = ifp->if_softc;
   2402   1.1  thorpej 
   2403   1.1  thorpej 	return ((*sc->sc_mediasw->tmsw_set)(sc));
   2404   1.1  thorpej }
   2405   1.1  thorpej 
   2406   1.1  thorpej /*****************************************************************************
   2407   1.1  thorpej  * Support functions for MII-attached media.
   2408   1.1  thorpej  *****************************************************************************/
   2409   1.1  thorpej 
   2410   1.1  thorpej /*
   2411   1.1  thorpej  * tlp_mii_tick:
   2412   1.1  thorpej  *
   2413   1.1  thorpej  *	One second timer, used to tick the MII.
   2414   1.1  thorpej  */
   2415   1.1  thorpej void
   2416   1.1  thorpej tlp_mii_tick(arg)
   2417   1.1  thorpej 	void *arg;
   2418   1.1  thorpej {
   2419   1.1  thorpej 	struct tulip_softc *sc = arg;
   2420   1.1  thorpej 	int s;
   2421   1.1  thorpej 
   2422   1.1  thorpej 	s = splnet();
   2423   1.1  thorpej 	mii_tick(&sc->sc_mii);
   2424   1.1  thorpej 	splx(s);
   2425   1.1  thorpej 
   2426   1.6  thorpej 	timeout(sc->sc_tick, sc, hz);
   2427   1.1  thorpej }
   2428   1.1  thorpej 
   2429   1.1  thorpej /*
   2430   1.1  thorpej  * tlp_mii_statchg:	[mii interface function]
   2431   1.1  thorpej  *
   2432   1.1  thorpej  *	Callback from PHY when media changes.
   2433   1.1  thorpej  */
   2434   1.1  thorpej void
   2435   1.1  thorpej tlp_mii_statchg(self)
   2436   1.1  thorpej 	struct device *self;
   2437   1.1  thorpej {
   2438   1.1  thorpej 	struct tulip_softc *sc = (struct tulip_softc *)self;
   2439   1.1  thorpej 
   2440   1.1  thorpej 	/* Idle the transmit and receive processes. */
   2441   1.1  thorpej 	tlp_idle(sc, OPMODE_ST|OPMODE_SR);
   2442   1.1  thorpej 
   2443   1.1  thorpej 	/*
   2444   1.1  thorpej 	 * XXX What about Heartbeat Disable?  Is it magically frobbed
   2445   1.1  thorpej 	 * XXX by the PHY?  I hope so...
   2446   1.1  thorpej 	 */
   2447   1.1  thorpej 
   2448   1.7  thorpej 	sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD);
   2449   1.7  thorpej 
   2450   1.1  thorpej 	if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T)
   2451   1.1  thorpej 		sc->sc_opmode |= OPMODE_TTM;
   2452   1.1  thorpej 
   2453   1.1  thorpej 	if (sc->sc_mii.mii_media_active & IFM_FDX)
   2454   1.1  thorpej 		sc->sc_opmode |= OPMODE_FD;
   2455   1.1  thorpej 
   2456   1.1  thorpej 	/*
   2457   1.1  thorpej 	 * Write new OPMODE bits.  This also restarts the transmit
   2458   1.1  thorpej 	 * and receive processes.
   2459   1.1  thorpej 	 */
   2460   1.1  thorpej 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
   2461   1.1  thorpej 
   2462   1.1  thorpej 	/* XXX Update ifp->if_baudrate */
   2463   1.1  thorpej }
   2464   1.1  thorpej 
   2465   1.1  thorpej /*
   2466   1.5  thorpej  * tlp_winb_mii_statchg: [mii interface function]
   2467   1.5  thorpej  *
   2468   1.5  thorpej  *	Callback from PHY when media changes.  This version is
   2469   1.5  thorpej  *	for the Winbond 89C840F, which has different OPMODE bits.
   2470   1.5  thorpej  */
   2471   1.5  thorpej void
   2472   1.5  thorpej tlp_winb_mii_statchg(self)
   2473   1.5  thorpej 	struct device *self;
   2474   1.5  thorpej {
   2475   1.5  thorpej 	struct tulip_softc *sc = (struct tulip_softc *)self;
   2476   1.5  thorpej 
   2477   1.5  thorpej 	/* Idle the transmit and receive processes. */
   2478   1.5  thorpej 	tlp_idle(sc, OPMODE_ST|OPMODE_SR);
   2479   1.5  thorpej 
   2480   1.5  thorpej 	/*
   2481   1.5  thorpej 	 * XXX What about Heartbeat Disable?  Is it magically frobbed
   2482   1.5  thorpej 	 * XXX by the PHY?  I hope so...
   2483   1.5  thorpej 	 */
   2484   1.5  thorpej 
   2485   1.7  thorpej 	sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD);
   2486   1.7  thorpej 
   2487   1.5  thorpej 	if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX)
   2488   1.5  thorpej 		sc->sc_opmode |= OPMODE_WINB_FES;
   2489   1.5  thorpej 
   2490   1.5  thorpej 	if (sc->sc_mii.mii_media_active & IFM_FDX)
   2491   1.5  thorpej 		sc->sc_opmode |= OPMODE_FD;
   2492   1.5  thorpej 
   2493   1.5  thorpej 	/*
   2494   1.5  thorpej 	 * Write new OPMODE bits.  This also restarts the transmit
   2495   1.5  thorpej 	 * and receive processes.
   2496   1.5  thorpej 	 */
   2497   1.5  thorpej 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
   2498   1.5  thorpej 
   2499   1.5  thorpej 	/* XXX Update ifp->if_baudrate */
   2500   1.5  thorpej }
   2501   1.5  thorpej 
   2502   1.5  thorpej /*
   2503   1.1  thorpej  * tlp_mii_getmedia:
   2504   1.1  thorpej  *
   2505   1.1  thorpej  *	Callback from ifmedia to request current media status.
   2506   1.1  thorpej  */
   2507   1.1  thorpej void
   2508   1.1  thorpej tlp_mii_getmedia(sc, ifmr)
   2509   1.1  thorpej 	struct tulip_softc *sc;
   2510   1.1  thorpej 	struct ifmediareq *ifmr;
   2511   1.1  thorpej {
   2512   1.1  thorpej 
   2513   1.1  thorpej 	mii_pollstat(&sc->sc_mii);
   2514   1.1  thorpej 	ifmr->ifm_status = sc->sc_mii.mii_media_status;
   2515   1.1  thorpej 	ifmr->ifm_active = sc->sc_mii.mii_media_active;
   2516   1.1  thorpej }
   2517   1.1  thorpej 
   2518   1.1  thorpej /*
   2519   1.1  thorpej  * tlp_mii_setmedia:
   2520   1.1  thorpej  *
   2521   1.1  thorpej  *	Callback from ifmedia to request new media setting.
   2522   1.1  thorpej  */
   2523   1.1  thorpej int
   2524   1.1  thorpej tlp_mii_setmedia(sc)
   2525   1.1  thorpej 	struct tulip_softc *sc;
   2526   1.1  thorpej {
   2527   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
   2528   1.1  thorpej 
   2529   1.1  thorpej 	if (ifp->if_flags & IFF_UP)
   2530   1.1  thorpej 		mii_mediachg(&sc->sc_mii);
   2531   1.1  thorpej 	return (0);
   2532   1.1  thorpej }
   2533   1.1  thorpej 
   2534   1.1  thorpej #define	MII_EMIT(sc, x)							\
   2535   1.1  thorpej do {									\
   2536   1.1  thorpej 	TULIP_WRITE((sc), CSR_MIIROM, (x));				\
   2537   1.1  thorpej 	delay(1);							\
   2538   1.1  thorpej } while (0)
   2539   1.1  thorpej 
   2540   1.1  thorpej /*
   2541   1.1  thorpej  * tlp_sio_mii_sync:
   2542   1.1  thorpej  *
   2543   1.1  thorpej  *	Synchronize the SIO-attached MII.
   2544   1.1  thorpej  */
   2545   1.1  thorpej void
   2546   1.1  thorpej tlp_sio_mii_sync(sc)
   2547   1.1  thorpej 	struct tulip_softc *sc;
   2548   1.1  thorpej {
   2549   1.1  thorpej 	u_int32_t miirom;
   2550   1.1  thorpej 	int i;
   2551   1.1  thorpej 
   2552  1.17  thorpej 	miirom = MIIROM_MDO;
   2553   1.1  thorpej 
   2554   1.1  thorpej 	MII_EMIT(sc, miirom);
   2555   1.1  thorpej 	for (i = 0; i < 32; i++) {
   2556   1.1  thorpej 		MII_EMIT(sc, miirom | MIIROM_MDC);
   2557   1.1  thorpej 		MII_EMIT(sc, miirom);
   2558   1.1  thorpej 	}
   2559   1.1  thorpej }
   2560   1.1  thorpej 
   2561   1.1  thorpej /*
   2562   1.1  thorpej  * tlp_sio_mii_sendbits:
   2563   1.1  thorpej  *
   2564   1.1  thorpej  *	Send a series of bits out the SIO to the MII.
   2565   1.1  thorpej  */
   2566   1.1  thorpej void
   2567   1.1  thorpej tlp_sio_mii_sendbits(sc, data, nbits)
   2568   1.1  thorpej 	struct tulip_softc *sc;
   2569   1.1  thorpej 	u_int32_t data;
   2570   1.1  thorpej 	int nbits;
   2571   1.1  thorpej {
   2572   1.1  thorpej 	u_int32_t miirom, i;
   2573   1.1  thorpej 
   2574  1.17  thorpej 	miirom = 0;
   2575   1.1  thorpej 	MII_EMIT(sc, miirom);
   2576   1.1  thorpej 
   2577   1.1  thorpej 	for (i = 1 << (nbits - 1); i != 0; i >>= 1) {
   2578   1.1  thorpej 		if (data & i)
   2579   1.1  thorpej 			miirom |= MIIROM_MDO;
   2580   1.1  thorpej 		else
   2581   1.1  thorpej 			miirom &= ~MIIROM_MDO;
   2582   1.1  thorpej 		MII_EMIT(sc, miirom);
   2583   1.1  thorpej 		MII_EMIT(sc, miirom|MIIROM_MDC);
   2584   1.1  thorpej 		MII_EMIT(sc, miirom);
   2585   1.1  thorpej 	}
   2586   1.1  thorpej }
   2587   1.1  thorpej 
   2588   1.1  thorpej /*
   2589   1.1  thorpej  * tlp_sio_mii_readreg:
   2590   1.1  thorpej  *
   2591   1.1  thorpej  *	Read a PHY register via SIO-attached MII.
   2592   1.1  thorpej  */
   2593   1.1  thorpej int
   2594   1.1  thorpej tlp_sio_mii_readreg(self, phy, reg)
   2595   1.1  thorpej 	struct device *self;
   2596   1.1  thorpej 	int phy, reg;
   2597   1.1  thorpej {
   2598   1.1  thorpej 	struct tulip_softc *sc = (void *) self;
   2599   1.1  thorpej 	int val = 0, err = 0, i;
   2600   1.1  thorpej 
   2601   1.1  thorpej 	tlp_sio_mii_sync(sc);
   2602   1.1  thorpej 
   2603   1.1  thorpej 	tlp_sio_mii_sendbits(sc, MII_COMMAND_START, 2);
   2604   1.1  thorpej 	tlp_sio_mii_sendbits(sc, MII_COMMAND_READ, 2);
   2605   1.1  thorpej 	tlp_sio_mii_sendbits(sc, phy, 5);
   2606   1.1  thorpej 	tlp_sio_mii_sendbits(sc, reg, 5);
   2607   1.1  thorpej 
   2608  1.17  thorpej 	/* Switch direction to PHY->host, without a clock transition. */
   2609   1.1  thorpej 	MII_EMIT(sc, MIIROM_MIIDIR);
   2610  1.17  thorpej 
   2611   1.1  thorpej 	MII_EMIT(sc, MIIROM_MIIDIR|MIIROM_MDC);
   2612  1.17  thorpej 	MII_EMIT(sc, MIIROM_MIIDIR);
   2613   1.1  thorpej 
   2614   1.1  thorpej 	err = TULIP_ISSET(sc, CSR_MIIROM, MIIROM_MDI);
   2615   1.1  thorpej 
   2616  1.17  thorpej 	MII_EMIT(sc, MIIROM_MIIDIR|MIIROM_MDC);
   2617  1.17  thorpej 	MII_EMIT(sc, MIIROM_MIIDIR);
   2618   1.1  thorpej 
   2619   1.1  thorpej 	for (i = 0; i < 16; i++) {
   2620   1.1  thorpej 		val <<= 1;
   2621  1.17  thorpej 		/* Read data prior to clock low-high transition. */
   2622   1.1  thorpej 		if (err == 0 && TULIP_ISSET(sc, CSR_MIIROM, MIIROM_MDI))
   2623   1.1  thorpej 			val |= 1;
   2624  1.17  thorpej 
   2625  1.17  thorpej 		MII_EMIT(sc, MIIROM_MIIDIR|MIIROM_MDC);
   2626  1.17  thorpej 		MII_EMIT(sc, MIIROM_MIIDIR);
   2627   1.1  thorpej 	}
   2628   1.1  thorpej 
   2629  1.17  thorpej 	/* Set direction to host->PHY, without a clock transition. */
   2630   1.1  thorpej 	MII_EMIT(sc, 0);
   2631   1.1  thorpej 
   2632   1.1  thorpej 	return (err ? 0 : val);
   2633   1.1  thorpej }
   2634   1.1  thorpej 
   2635   1.1  thorpej /*
   2636   1.1  thorpej  * tlp_sio_mii_writereg:
   2637   1.1  thorpej  *
   2638   1.1  thorpej  *	Write a PHY register via SIO-attached MII.
   2639   1.1  thorpej  */
   2640   1.1  thorpej void
   2641   1.1  thorpej tlp_sio_mii_writereg(self, phy, reg, val)
   2642   1.1  thorpej 	struct device *self;
   2643   1.1  thorpej 	int phy, reg, val;
   2644   1.1  thorpej {
   2645   1.1  thorpej 	struct tulip_softc *sc = (void *) self;
   2646   1.1  thorpej 
   2647   1.1  thorpej 	tlp_sio_mii_sync(sc);
   2648   1.1  thorpej 
   2649   1.1  thorpej 	tlp_sio_mii_sendbits(sc, MII_COMMAND_START, 2);
   2650   1.1  thorpej 	tlp_sio_mii_sendbits(sc, MII_COMMAND_WRITE, 2);
   2651   1.1  thorpej 	tlp_sio_mii_sendbits(sc, phy, 5);
   2652   1.1  thorpej 	tlp_sio_mii_sendbits(sc, reg, 5);
   2653   1.1  thorpej 	tlp_sio_mii_sendbits(sc, MII_COMMAND_ACK, 2);
   2654   1.1  thorpej 	tlp_sio_mii_sendbits(sc, val, 16);
   2655   1.1  thorpej 
   2656   1.1  thorpej 	MII_EMIT(sc, 0);
   2657   1.1  thorpej }
   2658   1.1  thorpej 
   2659   1.1  thorpej #undef MII_EMIT
   2660   1.1  thorpej 
   2661   1.1  thorpej /*
   2662   1.1  thorpej  * tlp_pnic_mii_readreg:
   2663   1.1  thorpej  *
   2664   1.1  thorpej  *	Read a PHY register on the Lite-On PNIC.
   2665   1.1  thorpej  */
   2666   1.1  thorpej int
   2667   1.1  thorpej tlp_pnic_mii_readreg(self, phy, reg)
   2668   1.1  thorpej 	struct device *self;
   2669   1.1  thorpej 	int phy, reg;
   2670   1.1  thorpej {
   2671   1.1  thorpej 	struct tulip_softc *sc = (void *) self;
   2672   1.1  thorpej 	u_int32_t val;
   2673   1.1  thorpej 	int i;
   2674   1.1  thorpej 
   2675   1.1  thorpej 	TULIP_WRITE(sc, CSR_PNIC_MII,
   2676   1.6  thorpej 	    PNIC_MII_MBO | PNIC_MII_RESERVED |
   2677   1.1  thorpej 	    PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) |
   2678   1.1  thorpej 	    (reg << PNIC_MII_REGSHIFT));
   2679   1.1  thorpej 
   2680   1.1  thorpej 	for (i = 0; i < 1000; i++) {
   2681   1.1  thorpej 		delay(10);
   2682   1.1  thorpej 		val = TULIP_READ(sc, CSR_PNIC_MII);
   2683   1.1  thorpej 		if ((val & PNIC_MII_BUSY) == 0) {
   2684   1.1  thorpej 			if ((val & PNIC_MII_DATA) == PNIC_MII_DATA)
   2685   1.1  thorpej 				return (0);
   2686   1.1  thorpej 			else
   2687   1.1  thorpej 				return (val & PNIC_MII_DATA);
   2688   1.1  thorpej 		}
   2689   1.1  thorpej 	}
   2690   1.1  thorpej 	printf("%s: MII read timed out\n", sc->sc_dev.dv_xname);
   2691   1.1  thorpej 	return (0);
   2692   1.1  thorpej }
   2693   1.1  thorpej 
   2694   1.1  thorpej /*
   2695   1.1  thorpej  * tlp_pnic_mii_writereg:
   2696   1.1  thorpej  *
   2697   1.1  thorpej  *	Write a PHY register on the Lite-On PNIC.
   2698   1.1  thorpej  */
   2699   1.1  thorpej void
   2700   1.1  thorpej tlp_pnic_mii_writereg(self, phy, reg, val)
   2701   1.1  thorpej 	struct device *self;
   2702   1.1  thorpej 	int phy, reg, val;
   2703   1.1  thorpej {
   2704   1.1  thorpej 	struct tulip_softc *sc = (void *) self;
   2705   1.1  thorpej 	int i;
   2706   1.1  thorpej 
   2707   1.1  thorpej 	TULIP_WRITE(sc, CSR_PNIC_MII,
   2708   1.6  thorpej 	    PNIC_MII_MBO | PNIC_MII_RESERVED |
   2709   1.1  thorpej 	    PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) |
   2710   1.1  thorpej 	    (reg << PNIC_MII_REGSHIFT) | val);
   2711   1.1  thorpej 
   2712   1.1  thorpej 	for (i = 0; i < 1000; i++) {
   2713   1.1  thorpej 		delay(10);
   2714   1.1  thorpej 		if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0)
   2715   1.1  thorpej 			return;
   2716   1.1  thorpej 	}
   2717   1.1  thorpej 	printf("%s: MII write timed out\n", sc->sc_dev.dv_xname);
   2718   1.1  thorpej }
   2719   1.1  thorpej 
   2720   1.1  thorpej /*****************************************************************************
   2721  1.13  thorpej  * Chip-specific pre-init and reset functions.
   2722  1.13  thorpej  *****************************************************************************/
   2723  1.13  thorpej 
   2724  1.13  thorpej /*
   2725  1.13  thorpej  * tlp_2114x_preinit:
   2726  1.13  thorpej  *
   2727  1.13  thorpej  *	Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143.
   2728  1.13  thorpej  */
   2729  1.13  thorpej void
   2730  1.13  thorpej tlp_2114x_preinit(sc)
   2731  1.13  thorpej 	struct tulip_softc *sc;
   2732  1.13  thorpej {
   2733  1.17  thorpej 	struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
   2734  1.17  thorpej 	struct tulip_2114x_media *tm = ife->ifm_aux;
   2735  1.13  thorpej 
   2736  1.13  thorpej 	/*
   2737  1.13  thorpej 	 * Always set the Must-Be-One bit.
   2738  1.13  thorpej 	 */
   2739  1.13  thorpej 	sc->sc_opmode |= OPMODE_MBO;
   2740  1.13  thorpej 
   2741  1.17  thorpej 	if (tm != NULL &&
   2742  1.17  thorpej 	    (tm->tm_type == TULIP_ROM_MB_21140_MII ||
   2743  1.17  thorpej 	     tm->tm_type == TULIP_ROM_MB_21142_MII)) {
   2744  1.13  thorpej 		/*
   2745  1.13  thorpej 		 * MII case: just set the port-select bit; we will never
   2746  1.13  thorpej 		 * be called during a media change.
   2747  1.13  thorpej 		 */
   2748  1.13  thorpej 		sc->sc_opmode |= OPMODE_PS;
   2749  1.17  thorpej 		goto set_opmode;
   2750  1.13  thorpej 	}
   2751  1.13  thorpej 
   2752  1.17  thorpej 	/*
   2753  1.17  thorpej 	 * ENDEC/PCS mode; set according to selected media type.
   2754  1.17  thorpej 	 * XXX Auto-sense not supported yet.
   2755  1.17  thorpej 	 */
   2756  1.17  thorpej 	sc->sc_opmode |= tm->tm_opmode;
   2757  1.17  thorpej 
   2758  1.17  thorpej  set_opmode:
   2759  1.13  thorpej 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
   2760  1.13  thorpej }
   2761  1.13  thorpej 
   2762  1.13  thorpej /*
   2763  1.13  thorpej  * tlp_pnic_preinit:
   2764  1.13  thorpej  *
   2765  1.13  thorpej  *	Pre-init function for the Lite-On 82c168 and 82c169.
   2766  1.13  thorpej  */
   2767  1.13  thorpej void
   2768  1.13  thorpej tlp_pnic_preinit(sc)
   2769  1.13  thorpej 	struct tulip_softc *sc;
   2770  1.13  thorpej {
   2771  1.13  thorpej 
   2772  1.13  thorpej 	if (sc->sc_flags & TULIPF_HAS_MII) {
   2773  1.13  thorpej 		/*
   2774  1.13  thorpej 		 * MII case: just set the port-select bit; we will never
   2775  1.13  thorpej 		 * be called during a media change.
   2776  1.13  thorpej 		 */
   2777  1.13  thorpej 		sc->sc_opmode |= OPMODE_PS;
   2778  1.13  thorpej 	} else {
   2779  1.13  thorpej 		/*
   2780  1.16  thorpej 		 * ENDEC/PCS/Nway mode; enable the Tx backoff counter.
   2781  1.13  thorpej 		 */
   2782  1.16  thorpej 		sc->sc_opmode |= OPMODE_PNIC_TBEN;
   2783  1.13  thorpej 	}
   2784  1.13  thorpej }
   2785  1.13  thorpej 
   2786  1.17  thorpej /*
   2787  1.17  thorpej  * tlp_21140_reset:
   2788  1.17  thorpej  *
   2789  1.17  thorpej  *	Issue a reset sequence on the 21140 via the GPIO facility.
   2790  1.17  thorpej  */
   2791  1.17  thorpej void
   2792  1.17  thorpej tlp_21140_reset(sc)
   2793  1.17  thorpej 	struct tulip_softc *sc;
   2794  1.17  thorpej {
   2795  1.17  thorpej 	struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
   2796  1.17  thorpej 	struct tulip_2114x_media *tm = ife->ifm_aux;
   2797  1.17  thorpej 	int i;
   2798  1.17  thorpej 
   2799  1.17  thorpej 	/* First, set the direction on the GPIO pins. */
   2800  1.17  thorpej 	TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir);
   2801  1.17  thorpej 
   2802  1.17  thorpej 	/* Now, issue the reset sequence. */
   2803  1.17  thorpej 	for (i = 0; i < tm->tm_reset_length; i++) {
   2804  1.17  thorpej 		delay(10);
   2805  1.17  thorpej 		TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]);
   2806  1.17  thorpej 	}
   2807  1.17  thorpej 
   2808  1.17  thorpej 	/* Now, issue the selection sequence. */
   2809  1.17  thorpej 	for (i = 0; i < tm->tm_gp_length; i++) {
   2810  1.17  thorpej 		delay(10);
   2811  1.17  thorpej 		TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]);
   2812  1.17  thorpej 	}
   2813  1.17  thorpej 
   2814  1.17  thorpej 	/* If there were no sequences, just lower the pins. */
   2815  1.17  thorpej 	if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0)
   2816  1.17  thorpej 		TULIP_WRITE(sc, CSR_GPP, 0);
   2817  1.17  thorpej }
   2818  1.17  thorpej 
   2819  1.13  thorpej /*****************************************************************************
   2820   1.1  thorpej  * Chip/board-specific media switches.  The ones here are ones that
   2821   1.1  thorpej  * are potentially common to multiple front-ends.
   2822   1.1  thorpej  *****************************************************************************/
   2823   1.1  thorpej 
   2824   1.1  thorpej /*
   2825   1.7  thorpej  * 21040 and 21041 media switches.
   2826   1.7  thorpej  */
   2827   1.7  thorpej void	tlp_21040_tmsw_init __P((struct tulip_softc *));
   2828   1.7  thorpej void	tlp_21040_tp_tmsw_init __P((struct tulip_softc *));
   2829   1.7  thorpej void	tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *));
   2830  1.13  thorpej void	tlp_21041_tmsw_init __P((struct tulip_softc *));
   2831   1.7  thorpej void	tlp_21040_21041_tmsw_get __P((struct tulip_softc *,
   2832   1.7  thorpej 	    struct ifmediareq *));
   2833   1.7  thorpej int	tlp_21040_21041_tmsw_set __P((struct tulip_softc *));
   2834   1.7  thorpej 
   2835   1.7  thorpej const struct tulip_mediasw tlp_21040_mediasw = {
   2836   1.7  thorpej 	tlp_21040_tmsw_init, tlp_21040_21041_tmsw_get, tlp_21040_21041_tmsw_set
   2837   1.7  thorpej };
   2838   1.7  thorpej 
   2839   1.7  thorpej const struct tulip_mediasw tlp_21040_tp_mediasw = {
   2840   1.7  thorpej 	tlp_21040_tp_tmsw_init, tlp_21040_21041_tmsw_get,
   2841   1.7  thorpej 	    tlp_21040_21041_tmsw_set
   2842   1.7  thorpej };
   2843   1.7  thorpej 
   2844   1.7  thorpej const struct tulip_mediasw tlp_21040_auibnc_mediasw = {
   2845   1.7  thorpej 	tlp_21040_auibnc_tmsw_init, tlp_21040_21041_tmsw_get,
   2846   1.7  thorpej 	    tlp_21040_21041_tmsw_set
   2847   1.7  thorpej };
   2848   1.7  thorpej 
   2849  1.13  thorpej const struct tulip_mediasw tlp_21041_mediasw = {
   2850  1.13  thorpej 	tlp_21041_tmsw_init, tlp_21040_21041_tmsw_get, tlp_21040_21041_tmsw_set
   2851  1.13  thorpej };
   2852  1.13  thorpej 
   2853   1.7  thorpej #define	ADD(m, t)	ifmedia_add(&sc->sc_mii.mii_media, (m), 0, (t))
   2854   1.7  thorpej #define	PRINT(s)	printf("%s%s", sep, s); sep = ", "
   2855   1.7  thorpej 
   2856   1.7  thorpej void
   2857   1.7  thorpej tlp_21040_tmsw_init(sc)
   2858   1.7  thorpej 	struct tulip_softc *sc;
   2859   1.7  thorpej {
   2860   1.7  thorpej 	struct tulip_21040_21041_sia_media *tsm;
   2861   1.7  thorpej 	const char *sep = "";
   2862   1.7  thorpej 
   2863   1.7  thorpej 	ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
   2864   1.7  thorpej 	    tlp_mediastatus);
   2865   1.7  thorpej 
   2866   1.7  thorpej 	printf("%s: ", sc->sc_dev.dv_xname);
   2867   1.7  thorpej 
   2868   1.7  thorpej 	tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF,
   2869   1.7  thorpej 	    M_WAITOK);
   2870   1.7  thorpej 	tsm->tsm_siaconn = SIACONN_21040_10BASET;
   2871   1.7  thorpej 	tsm->tsm_siatxrx = SIATXRX_21040_10BASET;
   2872   1.7  thorpej 	tsm->tsm_siagen  = SIAGEN_21040_10BASET;
   2873   1.7  thorpej 	ADD(IFM_ETHER|IFM_10_T, tsm);
   2874   1.7  thorpej 	PRINT("10baseT");
   2875   1.7  thorpej 
   2876   1.7  thorpej 	tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF,
   2877   1.7  thorpej 	    M_WAITOK);
   2878   1.7  thorpej 	tsm->tsm_siaconn = SIACONN_21040_10BASET_FDX;
   2879   1.7  thorpej 	tsm->tsm_siatxrx = SIATXRX_21040_10BASET_FDX;
   2880   1.7  thorpej 	tsm->tsm_siagen  = SIAGEN_21040_10BASET_FDX;
   2881   1.7  thorpej 	ADD(IFM_ETHER|IFM_10_T|IFM_FDX, tsm);
   2882   1.7  thorpej 	PRINT("10baseT-FDX");
   2883   1.7  thorpej 
   2884   1.7  thorpej 	tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF,
   2885   1.7  thorpej 	    M_WAITOK);
   2886   1.7  thorpej 	tsm->tsm_siaconn = SIACONN_21040_AUI;
   2887   1.7  thorpej 	tsm->tsm_siatxrx = SIATXRX_21040_AUI;
   2888   1.7  thorpej 	tsm->tsm_siagen  = SIAGEN_21040_AUI;
   2889   1.7  thorpej 	ADD(IFM_ETHER|IFM_10_5, tsm);
   2890   1.7  thorpej 	PRINT("10base5");
   2891   1.7  thorpej 
   2892   1.7  thorpej 	tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF,
   2893   1.7  thorpej 	    M_WAITOK);
   2894   1.7  thorpej 	tsm->tsm_siaconn = SIACONN_21040_EXTSIA;
   2895   1.7  thorpej 	tsm->tsm_siatxrx = SIATXRX_21040_EXTSIA;
   2896   1.7  thorpej 	tsm->tsm_siagen  = SIAGEN_21040_EXTSIA;
   2897   1.7  thorpej 	ADD(IFM_ETHER|IFM_MANUAL, tsm);
   2898   1.7  thorpej 	PRINT("manual");
   2899   1.7  thorpej 
   2900   1.7  thorpej 	/*
   2901   1.7  thorpej 	 * XXX Autosense not yet supported.
   2902   1.7  thorpej 	 */
   2903   1.7  thorpej 
   2904   1.7  thorpej 	/* XXX This should be auto-sense. */
   2905   1.7  thorpej 	ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T);
   2906   1.7  thorpej 	printf(", default 10baseT");
   2907   1.7  thorpej 
   2908   1.7  thorpej 	printf("\n");
   2909   1.7  thorpej }
   2910   1.7  thorpej 
   2911   1.7  thorpej void
   2912   1.7  thorpej tlp_21040_tp_tmsw_init(sc)
   2913   1.7  thorpej 	struct tulip_softc *sc;
   2914   1.7  thorpej {
   2915   1.7  thorpej 	struct tulip_21040_21041_sia_media *tsm;
   2916   1.7  thorpej 	const char *sep = "";
   2917   1.7  thorpej 
   2918   1.7  thorpej 	ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
   2919   1.7  thorpej 	    tlp_mediastatus);
   2920   1.7  thorpej 
   2921   1.7  thorpej 	printf("%s: ", sc->sc_dev.dv_xname);
   2922   1.7  thorpej 
   2923   1.7  thorpej 	tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF,
   2924   1.7  thorpej 	    M_WAITOK);
   2925   1.7  thorpej 	tsm->tsm_siaconn = SIACONN_21040_10BASET;
   2926   1.7  thorpej 	tsm->tsm_siatxrx = SIATXRX_21040_10BASET;
   2927   1.7  thorpej 	tsm->tsm_siagen  = SIAGEN_21040_10BASET;
   2928   1.7  thorpej 	ADD(IFM_ETHER|IFM_10_T, tsm);
   2929   1.7  thorpej 	PRINT("10baseT");
   2930   1.7  thorpej 
   2931   1.7  thorpej 	tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF,
   2932   1.7  thorpej 	    M_WAITOK);
   2933   1.7  thorpej 	tsm->tsm_siaconn = SIACONN_21040_10BASET_FDX;
   2934   1.7  thorpej 	tsm->tsm_siatxrx = SIATXRX_21040_10BASET_FDX;
   2935   1.7  thorpej 	tsm->tsm_siagen  = SIAGEN_21040_10BASET_FDX;
   2936   1.7  thorpej 	ADD(IFM_ETHER|IFM_10_T|IFM_FDX, tsm);
   2937   1.7  thorpej 	PRINT("10baseT-FDX");
   2938   1.7  thorpej 
   2939   1.7  thorpej 	ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T);
   2940   1.7  thorpej 	printf(", default 10baseT");
   2941   1.7  thorpej 
   2942   1.7  thorpej 	printf("\n");
   2943   1.7  thorpej }
   2944   1.7  thorpej 
   2945   1.7  thorpej void
   2946   1.7  thorpej tlp_21040_auibnc_tmsw_init(sc)
   2947   1.7  thorpej 	struct tulip_softc *sc;
   2948   1.7  thorpej {
   2949   1.7  thorpej 	struct tulip_21040_21041_sia_media *tsm;
   2950   1.7  thorpej 	const char *sep = "";
   2951   1.7  thorpej 
   2952   1.7  thorpej 	ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
   2953   1.7  thorpej 	    tlp_mediastatus);
   2954   1.7  thorpej 
   2955   1.7  thorpej 	printf("%s: ", sc->sc_dev.dv_xname);
   2956   1.7  thorpej 
   2957   1.7  thorpej 	tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF,
   2958   1.7  thorpej 	    M_WAITOK);
   2959   1.7  thorpej 	tsm->tsm_siaconn = SIACONN_21040_AUI;
   2960   1.7  thorpej 	tsm->tsm_siatxrx = SIATXRX_21040_AUI;
   2961   1.7  thorpej 	tsm->tsm_siagen  = SIAGEN_21040_AUI;
   2962   1.7  thorpej 	ADD(IFM_ETHER|IFM_10_5, tsm);
   2963   1.7  thorpej 	PRINT("10base5");
   2964   1.7  thorpej 
   2965   1.7  thorpej 	ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5);
   2966  1.13  thorpej 
   2967  1.13  thorpej 	printf("\n");
   2968  1.13  thorpej }
   2969  1.13  thorpej 
   2970  1.13  thorpej void
   2971  1.13  thorpej tlp_21041_tmsw_init(sc)
   2972  1.13  thorpej 	struct tulip_softc *sc;
   2973  1.13  thorpej {
   2974  1.13  thorpej 	int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt;
   2975  1.13  thorpej 	struct tulip_21040_21041_sia_media *tsm;
   2976  1.13  thorpej 	const char *sep = "", *defstr;
   2977  1.13  thorpej 	u_int16_t romdef;
   2978  1.13  thorpej 	u_int8_t mb;
   2979  1.13  thorpej 
   2980  1.13  thorpej 	ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
   2981  1.13  thorpej 	    tlp_mediastatus);
   2982  1.13  thorpej 
   2983  1.13  thorpej 	printf("%s: ", sc->sc_dev.dv_xname);
   2984  1.13  thorpej 
   2985  1.13  thorpej 	if (tlp_isv_srom(sc->sc_srom) == 0)
   2986  1.13  thorpej 		goto not_isv_srom;
   2987  1.13  thorpej 
   2988  1.13  thorpej 	devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT];
   2989  1.13  thorpej 	for (i = 0; i < devcnt; i++) {
   2990  1.13  thorpej 		if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1)
   2991  1.13  thorpej 			break;
   2992  1.13  thorpej 		if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] ==
   2993  1.13  thorpej 		    sc->sc_devno)
   2994  1.13  thorpej 			break;
   2995  1.13  thorpej 	}
   2996  1.13  thorpej 
   2997  1.13  thorpej 	if (i == devcnt)
   2998  1.13  thorpej 		goto not_isv_srom;
   2999  1.13  thorpej 
   3000  1.17  thorpej 	leaf_offset = TULIP_ROM_GETW(sc->sc_srom,
   3001  1.17  thorpej 	    TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i));
   3002  1.13  thorpej 	mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE;
   3003  1.13  thorpej 	m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT];
   3004  1.13  thorpej 
   3005  1.13  thorpej 	for (; m_cnt != 0;
   3006  1.13  thorpej 	     m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) {
   3007  1.13  thorpej 		mb = sc->sc_srom[mb_offset];
   3008  1.13  thorpej 		tsm = malloc(sizeof(struct tulip_21040_21041_sia_media),
   3009  1.13  thorpej 		    M_DEVBUF, M_WAITOK);
   3010  1.13  thorpej 		switch (mb & TULIP_ROM_MB_MEDIA_CODE) {
   3011  1.13  thorpej 		case TULIP_ROM_MB_MEDIA_TP:
   3012  1.13  thorpej 			tsm->tsm_siaconn = (mb & TULIP_ROM_MB_EXT) ?
   3013  1.13  thorpej 			    TULIP_ROM_GETW(sc->sc_srom,
   3014  1.13  thorpej 			      mb_offset + TULIP_ROM_MB_CSR13) :
   3015  1.13  thorpej 			    SIACONN_21041_10BASET;
   3016  1.13  thorpej 			tsm->tsm_siatxrx = (mb & TULIP_ROM_MB_EXT) ?
   3017  1.13  thorpej 			    TULIP_ROM_GETW(sc->sc_srom,
   3018  1.13  thorpej 			      mb_offset + TULIP_ROM_MB_CSR14) :
   3019  1.13  thorpej 			    SIATXRX_21041_10BASET;
   3020  1.13  thorpej 			tsm->tsm_siagen  = (mb & TULIP_ROM_MB_EXT) ?
   3021  1.13  thorpej 			    TULIP_ROM_GETW(sc->sc_srom,
   3022  1.13  thorpej 			      mb_offset + TULIP_ROM_MB_CSR15) :
   3023  1.13  thorpej 			    SIAGEN_21041_10BASET;
   3024  1.13  thorpej 			ADD(IFM_ETHER|IFM_10_T, tsm);
   3025  1.13  thorpej 			PRINT("10baseT");
   3026  1.13  thorpej 			break;
   3027  1.13  thorpej 
   3028  1.13  thorpej 		case TULIP_ROM_MB_MEDIA_BNC:
   3029  1.13  thorpej 			tsm->tsm_siaconn = (mb & TULIP_ROM_MB_EXT) ?
   3030  1.13  thorpej 			    TULIP_ROM_GETW(sc->sc_srom,
   3031  1.13  thorpej 			      mb_offset + TULIP_ROM_MB_CSR13) :
   3032  1.13  thorpej 			    SIACONN_21041_BNC;
   3033  1.13  thorpej 			tsm->tsm_siatxrx = (mb & TULIP_ROM_MB_EXT) ?
   3034  1.13  thorpej 			    TULIP_ROM_GETW(sc->sc_srom,
   3035  1.13  thorpej 			      mb_offset + TULIP_ROM_MB_CSR14) :
   3036  1.13  thorpej 			    SIATXRX_21041_BNC;
   3037  1.13  thorpej 			tsm->tsm_siagen  = (mb & TULIP_ROM_MB_EXT) ?
   3038  1.13  thorpej 			    TULIP_ROM_GETW(sc->sc_srom,
   3039  1.13  thorpej 			      mb_offset + TULIP_ROM_MB_CSR15) :
   3040  1.13  thorpej 			    SIAGEN_21041_BNC;
   3041  1.13  thorpej 			ADD(IFM_ETHER|IFM_10_2, tsm);
   3042  1.13  thorpej 			PRINT("10base2");
   3043  1.13  thorpej 			break;
   3044  1.13  thorpej 
   3045  1.13  thorpej 		case TULIP_ROM_MB_MEDIA_AUI:
   3046  1.13  thorpej 			tsm->tsm_siaconn = (mb & TULIP_ROM_MB_EXT) ?
   3047  1.13  thorpej 			    TULIP_ROM_GETW(sc->sc_srom,
   3048  1.13  thorpej 			      mb_offset + TULIP_ROM_MB_CSR13) :
   3049  1.13  thorpej 			    SIACONN_21041_AUI;
   3050  1.13  thorpej 			tsm->tsm_siatxrx = (mb & TULIP_ROM_MB_EXT) ?
   3051  1.13  thorpej 			    TULIP_ROM_GETW(sc->sc_srom,
   3052  1.13  thorpej 			      mb_offset + TULIP_ROM_MB_CSR14) :
   3053  1.13  thorpej 			    SIATXRX_21041_AUI;
   3054  1.13  thorpej 			tsm->tsm_siagen  = (mb & TULIP_ROM_MB_EXT) ?
   3055  1.13  thorpej 			    TULIP_ROM_GETW(sc->sc_srom,
   3056  1.13  thorpej 			      mb_offset + TULIP_ROM_MB_CSR15) :
   3057  1.13  thorpej 			    SIAGEN_21041_AUI;
   3058  1.13  thorpej 			ADD(IFM_ETHER|IFM_10_5, tsm);
   3059  1.13  thorpej 			PRINT("10base5");
   3060  1.13  thorpej 			break;
   3061  1.13  thorpej 
   3062  1.13  thorpej 		case TULIP_ROM_MB_MEDIA_TP_FDX:
   3063  1.13  thorpej 			tsm->tsm_siaconn = (mb & TULIP_ROM_MB_EXT) ?
   3064  1.13  thorpej 			    TULIP_ROM_GETW(sc->sc_srom,
   3065  1.13  thorpej 			      mb_offset + TULIP_ROM_MB_CSR13) :
   3066  1.13  thorpej 			    SIACONN_21041_10BASET_FDX;
   3067  1.13  thorpej 			tsm->tsm_siatxrx = (mb & TULIP_ROM_MB_EXT) ?
   3068  1.13  thorpej 			    TULIP_ROM_GETW(sc->sc_srom,
   3069  1.13  thorpej 			      mb_offset + TULIP_ROM_MB_CSR14) :
   3070  1.13  thorpej 			    SIATXRX_21041_10BASET_FDX;
   3071  1.13  thorpej 			tsm->tsm_siagen  = (mb & TULIP_ROM_MB_EXT) ?
   3072  1.13  thorpej 			    TULIP_ROM_GETW(sc->sc_srom,
   3073  1.13  thorpej 			      mb_offset + TULIP_ROM_MB_CSR15) :
   3074  1.13  thorpej 			    SIAGEN_21041_10BASET_FDX;
   3075  1.13  thorpej 			ADD(IFM_ETHER|IFM_10_T|IFM_FDX, tsm);
   3076  1.13  thorpej 			PRINT("10baseT-FDX");
   3077  1.13  thorpej 			break;
   3078  1.13  thorpej 
   3079  1.13  thorpej 		default:
   3080  1.13  thorpej 			printf("%s<unknown 0x%02x>", sep,
   3081  1.13  thorpej 			    (mb & TULIP_ROM_MB_MEDIA_CODE));
   3082  1.13  thorpej 			sep = ", ";
   3083  1.13  thorpej 			free(tsm, M_DEVBUF);
   3084  1.13  thorpej 		}
   3085  1.13  thorpej 	}
   3086  1.13  thorpej 
   3087  1.13  thorpej 	/*
   3088  1.13  thorpej 	 * XXX Autosense not yet supported.
   3089  1.13  thorpej 	 */
   3090  1.13  thorpej 
   3091  1.13  thorpej 	romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset +
   3092  1.13  thorpej 	    TULIP_ROM_IL_SELECT_CONN_TYPE);
   3093  1.13  thorpej 	switch (romdef) {
   3094  1.13  thorpej 	case SELECT_CONN_TYPE_TP:
   3095  1.13  thorpej 	case SELECT_CONN_TYPE_TP_AUTONEG:
   3096  1.13  thorpej 	case SELECT_CONN_TYPE_TP_NOLINKPASS:
   3097  1.13  thorpej 		defmedia = IFM_ETHER|IFM_10_T;
   3098  1.13  thorpej 		defstr = "10baseT";
   3099  1.13  thorpej 		break;
   3100  1.13  thorpej 
   3101  1.13  thorpej 	case SELECT_CONN_TYPE_TP_FDX:
   3102  1.13  thorpej 		defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
   3103  1.13  thorpej 		defstr = "10baseT-FDX";
   3104  1.13  thorpej 		break;
   3105  1.13  thorpej 
   3106  1.13  thorpej 	case SELECT_CONN_TYPE_BNC:
   3107  1.13  thorpej 		defmedia = IFM_ETHER|IFM_10_2;
   3108  1.13  thorpej 		defstr = "10base2";
   3109  1.13  thorpej 		break;
   3110  1.13  thorpej 
   3111  1.13  thorpej 	case SELECT_CONN_TYPE_AUI:
   3112  1.13  thorpej 		defmedia = IFM_ETHER|IFM_10_5;
   3113  1.13  thorpej 		defstr = "10base5";
   3114  1.13  thorpej 		break;
   3115  1.13  thorpej #if 0 /* XXX */
   3116  1.13  thorpej 	case SELECT_CONN_TYPE_ASENSE:
   3117  1.13  thorpej 	case SELECT_CONN_TYPE_ASENSE_AUTONEG:
   3118  1.13  thorpej 		defmedia = IFM_ETHER|IFM_AUTO;
   3119  1.13  thorpej 		defstr = "auto";
   3120  1.13  thorpej 		break;
   3121  1.13  thorpej #endif
   3122  1.13  thorpej 	default:
   3123  1.13  thorpej 		defmedia = 0;
   3124  1.13  thorpej 		defstr = NULL;
   3125  1.13  thorpej 	}
   3126  1.13  thorpej 
   3127  1.13  thorpej 	if (defmedia != 0)
   3128  1.13  thorpej 		printf(", default %s\n", defstr);
   3129  1.13  thorpej 	else {
   3130  1.13  thorpej 		/*
   3131  1.13  thorpej 		 * XXX We should default to auto-sense.
   3132  1.13  thorpej 		 */
   3133  1.13  thorpej 		defmedia = IFM_ETHER|IFM_10_T;
   3134  1.13  thorpej 		defstr = "10baseT";
   3135  1.13  thorpej 
   3136  1.13  thorpej 		printf("\n%s: unknown default media in SROM (0x%04x), "
   3137  1.13  thorpej 		    "using %s\n", sc->sc_dev.dv_xname, romdef, defstr);
   3138  1.13  thorpej 	}
   3139  1.13  thorpej 
   3140  1.13  thorpej 	ifmedia_set(&sc->sc_mii.mii_media, defmedia);
   3141  1.13  thorpej 	return;
   3142  1.13  thorpej 
   3143  1.13  thorpej  not_isv_srom:
   3144  1.13  thorpej 	/*
   3145  1.13  thorpej 	 * If we have a board without the standard 21041 SROM format,
   3146  1.13  thorpej 	 * we just assume all media are present and try and pick a
   3147  1.13  thorpej 	 * reasonable default.
   3148  1.13  thorpej 	 */
   3149  1.13  thorpej 	tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF,
   3150  1.13  thorpej 	    M_WAITOK);
   3151  1.13  thorpej 	tsm->tsm_siaconn = SIACONN_21041_10BASET;
   3152  1.13  thorpej 	tsm->tsm_siatxrx = SIATXRX_21041_10BASET;
   3153  1.13  thorpej 	tsm->tsm_siagen  = SIAGEN_21041_10BASET;
   3154  1.13  thorpej 	ADD(IFM_ETHER|IFM_10_T, tsm);
   3155  1.13  thorpej 	PRINT("10baseT");
   3156  1.13  thorpej 
   3157  1.13  thorpej 	tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF,
   3158  1.13  thorpej 	    M_WAITOK);
   3159  1.13  thorpej 	tsm->tsm_siaconn = SIACONN_21041_10BASET_FDX;
   3160  1.13  thorpej 	tsm->tsm_siatxrx = SIATXRX_21041_10BASET_FDX;
   3161  1.13  thorpej 	tsm->tsm_siagen  = SIAGEN_21041_10BASET_FDX;
   3162  1.13  thorpej 	ADD(IFM_ETHER|IFM_10_T|IFM_FDX, tsm);
   3163  1.13  thorpej 	PRINT("10baseT-FDX");
   3164  1.13  thorpej 
   3165  1.13  thorpej 	tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF,
   3166  1.13  thorpej 	    M_WAITOK);
   3167  1.13  thorpej 	tsm->tsm_siaconn = SIACONN_21041_BNC;
   3168  1.13  thorpej 	tsm->tsm_siatxrx = SIATXRX_21041_BNC;
   3169  1.13  thorpej 	tsm->tsm_siagen  = SIAGEN_21041_BNC;
   3170  1.13  thorpej 	ADD(IFM_ETHER|IFM_10_2|IFM_FDX, tsm);
   3171  1.13  thorpej 	PRINT("10base2");
   3172  1.13  thorpej 
   3173  1.13  thorpej 	tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF,
   3174  1.13  thorpej 	    M_WAITOK);
   3175  1.13  thorpej 	tsm->tsm_siaconn = SIACONN_21041_AUI;
   3176  1.13  thorpej 	tsm->tsm_siatxrx = SIATXRX_21041_AUI;
   3177  1.13  thorpej 	tsm->tsm_siagen  = SIAGEN_21041_AUI;
   3178  1.13  thorpej 	ADD(IFM_ETHER|IFM_10_5|IFM_FDX, tsm);
   3179  1.13  thorpej 	PRINT("10base5");
   3180  1.13  thorpej 
   3181  1.13  thorpej 	/*
   3182  1.13  thorpej 	 * XXX Autosense not yet supported.
   3183  1.13  thorpej 	 */
   3184  1.13  thorpej 
   3185  1.13  thorpej 	/* XXX This should be auto-sense. */
   3186  1.13  thorpej 	ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T);
   3187  1.13  thorpej 	printf(", default 10baseT");
   3188   1.7  thorpej 
   3189   1.7  thorpej 	printf("\n");
   3190   1.7  thorpej }
   3191   1.7  thorpej 
   3192   1.7  thorpej #undef ADD
   3193   1.7  thorpej #undef PRINT
   3194   1.7  thorpej 
   3195   1.7  thorpej void
   3196   1.7  thorpej tlp_21040_21041_tmsw_get(sc, ifmr)
   3197   1.7  thorpej 	struct tulip_softc *sc;
   3198   1.7  thorpej 	struct ifmediareq *ifmr;
   3199   1.7  thorpej {
   3200   1.7  thorpej 	struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
   3201   1.7  thorpej 
   3202   1.7  thorpej 	ifmr->ifm_status = 0;
   3203   1.7  thorpej 
   3204   1.7  thorpej 	switch (IFM_SUBTYPE(ife->ifm_media)) {
   3205   1.7  thorpej 	case IFM_AUTO:
   3206   1.7  thorpej 		/*
   3207   1.7  thorpej 		 * XXX Implement autosensing case.
   3208   1.7  thorpej 		 */
   3209   1.7  thorpej 		break;
   3210   1.7  thorpej 
   3211   1.7  thorpej 	case IFM_10_T:
   3212   1.7  thorpej 		/*
   3213   1.7  thorpej 		 * We're able to detect link directly on twisted pair.
   3214   1.7  thorpej 		 */
   3215   1.7  thorpej 		ifmr->ifm_status = IFM_AVALID;
   3216   1.7  thorpej 		if (TULIP_ISSET(sc, CSR_SIASTAT, SIASTAT_LKF) == 0)
   3217   1.7  thorpej 			ifmr->ifm_status |= IFM_ACTIVE;
   3218   1.7  thorpej 		/* FALLTHROUGH */
   3219   1.7  thorpej 	default:
   3220   1.7  thorpej 		/*
   3221   1.7  thorpej 		 * If not autosensing, active media is the currently
   3222   1.7  thorpej 		 * selected media.
   3223   1.7  thorpej 		 */
   3224   1.7  thorpej 		ifmr->ifm_active = ife->ifm_media;
   3225   1.7  thorpej 	}
   3226   1.7  thorpej }
   3227   1.7  thorpej 
   3228   1.7  thorpej int
   3229   1.7  thorpej tlp_21040_21041_tmsw_set(sc)
   3230   1.7  thorpej 	struct tulip_softc *sc;
   3231   1.7  thorpej {
   3232   1.7  thorpej 	struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
   3233   1.7  thorpej 	struct tulip_21040_21041_sia_media *tsm;
   3234   1.7  thorpej 
   3235   1.7  thorpej 	if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
   3236   1.7  thorpej 		/*
   3237   1.7  thorpej 		 * If not autosensing, just pull the SIA settings out
   3238   1.7  thorpej 		 * of the media entry.
   3239   1.7  thorpej 		 */
   3240   1.7  thorpej 		tsm = ife->ifm_aux;
   3241   1.7  thorpej 		TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL);
   3242   1.7  thorpej 		TULIP_WRITE(sc, CSR_SIATXRX, tsm->tsm_siatxrx);
   3243   1.7  thorpej 		TULIP_WRITE(sc, CSR_SIAGEN,  tsm->tsm_siagen);
   3244   1.7  thorpej 		TULIP_WRITE(sc, CSR_SIACONN, tsm->tsm_siaconn);
   3245   1.7  thorpej 
   3246   1.7  thorpej 		tlp_idle(sc, OPMODE_ST|OPMODE_SR);
   3247   1.7  thorpej 		sc->sc_opmode &= ~OPMODE_FD;
   3248   1.7  thorpej 		if (ife->ifm_media & IFM_FDX)
   3249   1.7  thorpej 			sc->sc_opmode |= OPMODE_FD;
   3250   1.7  thorpej 		TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
   3251   1.7  thorpej 	} else {
   3252   1.7  thorpej 		/*
   3253   1.7  thorpej 		 * XXX Implement autosensing case.
   3254   1.7  thorpej 		 */
   3255   1.7  thorpej 	}
   3256   1.7  thorpej 
   3257   1.7  thorpej 	return (0);
   3258  1.17  thorpej }
   3259  1.17  thorpej 
   3260  1.17  thorpej /*
   3261  1.17  thorpej  * DECchip 2114x ISV media switch.
   3262  1.17  thorpej  * XXX Currently only handles 21140[A] MII.
   3263  1.17  thorpej  */
   3264  1.17  thorpej void	tlp_2114x_isv_tmsw_init __P((struct tulip_softc *));
   3265  1.17  thorpej void	tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *));
   3266  1.17  thorpej int	tlp_2114x_isv_tmsw_set __P((struct tulip_softc *));
   3267  1.17  thorpej 
   3268  1.17  thorpej const struct tulip_mediasw tlp_2114x_isv_mediasw = {
   3269  1.17  thorpej 	tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set
   3270  1.17  thorpej };
   3271  1.17  thorpej 
   3272  1.17  thorpej void
   3273  1.17  thorpej tlp_2114x_isv_tmsw_init(sc)
   3274  1.17  thorpej 	struct tulip_softc *sc;
   3275  1.17  thorpej {
   3276  1.17  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
   3277  1.17  thorpej 	struct ifmedia_entry *ife;
   3278  1.17  thorpej 	struct mii_softc *phy;
   3279  1.17  thorpej 	struct tulip_2114x_media *tm;
   3280  1.17  thorpej 	int i, devcnt, leaf_offset, m_cnt, type, length, seen, defmedia;
   3281  1.17  thorpej 	u_int8_t *cp, *ncp;
   3282  1.17  thorpej 
   3283  1.17  thorpej 	seen = defmedia = 0;
   3284  1.17  thorpej 
   3285  1.17  thorpej 	sc->sc_mii.mii_ifp = ifp;
   3286  1.17  thorpej 	sc->sc_mii.mii_readreg = tlp_sio_mii_readreg;
   3287  1.17  thorpej 	sc->sc_mii.mii_writereg = tlp_sio_mii_writereg;
   3288  1.17  thorpej 	sc->sc_mii.mii_statchg = sc->sc_statchg;
   3289  1.17  thorpej 	ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
   3290  1.17  thorpej 	    tlp_mediastatus);
   3291  1.17  thorpej 
   3292  1.17  thorpej 	devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT];
   3293  1.17  thorpej 	for (i = 0; i < devcnt; i++) {
   3294  1.17  thorpej 		if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1)
   3295  1.17  thorpej 			break;
   3296  1.17  thorpej 		if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] ==
   3297  1.17  thorpej 		    sc->sc_devno)
   3298  1.17  thorpej 			break;
   3299  1.17  thorpej 	}
   3300  1.17  thorpej 
   3301  1.17  thorpej 	if (i == devcnt) {
   3302  1.17  thorpej 		printf("%s: unable to locate info leaf in SROM\n",
   3303  1.17  thorpej 		    sc->sc_dev.dv_xname);
   3304  1.17  thorpej 		return;
   3305  1.17  thorpej 	}
   3306  1.17  thorpej 
   3307  1.17  thorpej 	leaf_offset = TULIP_ROM_GETW(sc->sc_srom,
   3308  1.17  thorpej 	    TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i));
   3309  1.17  thorpej 
   3310  1.17  thorpej 	/* XXX SELECT CONN TYPE */
   3311  1.17  thorpej 
   3312  1.17  thorpej 	cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT];
   3313  1.17  thorpej 
   3314  1.17  thorpej 	/*
   3315  1.17  thorpej 	 * On some chips, the first thing in the Info Leaf is the
   3316  1.17  thorpej 	 * GPIO pin direction data.
   3317  1.17  thorpej 	 */
   3318  1.17  thorpej 	switch (sc->sc_chip) {
   3319  1.17  thorpej 	case TULIP_CHIP_21140:
   3320  1.17  thorpej 	case TULIP_CHIP_21140A:
   3321  1.17  thorpej 	case TULIP_CHIP_MX98713:
   3322  1.17  thorpej 	case TULIP_CHIP_MX98713A:
   3323  1.17  thorpej 	case TULIP_CHIP_AX88140:
   3324  1.17  thorpej 	case TULIP_CHIP_AX88141:
   3325  1.17  thorpej 		sc->sc_gp_dir = *cp++;
   3326  1.17  thorpej 		break;
   3327  1.17  thorpej 
   3328  1.17  thorpej 	default:
   3329  1.17  thorpej 		/* Nothing. */
   3330  1.17  thorpej 	}
   3331  1.17  thorpej 
   3332  1.17  thorpej 	/* Get the media count. */
   3333  1.17  thorpej 	m_cnt = *cp++;
   3334  1.17  thorpej 
   3335  1.17  thorpej 	for (; m_cnt != 0; cp = ncp, m_cnt--) {
   3336  1.17  thorpej 		/*
   3337  1.17  thorpej 		 * Determine the type and length of this media block.
   3338  1.17  thorpej 		 */
   3339  1.17  thorpej 		if ((*cp & 0x80) == 0) {
   3340  1.17  thorpej 			length = 4;
   3341  1.17  thorpej 			type = TULIP_ROM_MB_21140_GPR;
   3342  1.17  thorpej 		} else {
   3343  1.17  thorpej 			length = (*cp++ & 0x7f) - 1;
   3344  1.17  thorpej 			type = *cp++ & 0x3f;
   3345  1.17  thorpej 		}
   3346  1.17  thorpej 
   3347  1.17  thorpej 		/* Compute the start of the next block. */
   3348  1.17  thorpej 		ncp = cp + length;
   3349  1.17  thorpej 
   3350  1.17  thorpej 		/* Now, parse the block. */
   3351  1.17  thorpej 		switch (type) {
   3352  1.17  thorpej 		case TULIP_ROM_MB_21140_GPR:
   3353  1.17  thorpej 			printf("%s: 21140 GPR block\n", sc->sc_dev.dv_xname);
   3354  1.17  thorpej 			break;
   3355  1.17  thorpej 
   3356  1.17  thorpej 		case TULIP_ROM_MB_21140_MII:
   3357  1.17  thorpej 			seen |= 1 << TULIP_ROM_MB_21140_MII;
   3358  1.17  thorpej 
   3359  1.17  thorpej 			tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK);
   3360  1.17  thorpej 			memset(tm, 0, sizeof(*tm));
   3361  1.17  thorpej 
   3362  1.17  thorpej 			tm->tm_type = TULIP_ROM_MB_21140_MII;
   3363  1.17  thorpej 			tm->tm_get = tlp_mii_getmedia;
   3364  1.17  thorpej 			tm->tm_set = tlp_mii_setmedia;
   3365  1.17  thorpej 
   3366  1.17  thorpej 			sc->sc_reset = tlp_21140_reset;
   3367  1.17  thorpej 
   3368  1.17  thorpej 			/* First is the PHY number. */
   3369  1.17  thorpej 			tm->tm_phyno = *cp++;
   3370  1.17  thorpej 
   3371  1.17  thorpej 			/* Next is the MII select sequence length and offset. */
   3372  1.17  thorpej 			tm->tm_gp_length = *cp++;
   3373  1.17  thorpej 			tm->tm_gp_offset = cp - &sc->sc_srom[0];
   3374  1.17  thorpej 			cp += tm->tm_gp_length;
   3375  1.17  thorpej 
   3376  1.17  thorpej 			/* Next is the MII reset sequence length and offset. */
   3377  1.17  thorpej 			tm->tm_reset_length = *cp++;
   3378  1.17  thorpej 			tm->tm_reset_offset = cp - &sc->sc_srom[0];
   3379  1.17  thorpej 			cp += tm->tm_reset_length;
   3380  1.17  thorpej 
   3381  1.17  thorpej 			/*
   3382  1.17  thorpej 			 * The following items are left in the media block
   3383  1.17  thorpej 			 * that we don't particularly care about:
   3384  1.17  thorpej 			 *
   3385  1.17  thorpej 			 *	capabilities		W
   3386  1.17  thorpej 			 *	advertisement		W
   3387  1.17  thorpej 			 *	full duplex		W
   3388  1.17  thorpej 			 *	tx threshold		W
   3389  1.17  thorpej 			 *
   3390  1.17  thorpej 			 * These appear to be bits in the PHY registers,
   3391  1.17  thorpej 			 * which our MII code handles on its own.
   3392  1.17  thorpej 			 */
   3393  1.17  thorpej 
   3394  1.17  thorpej 			/*
   3395  1.17  thorpej 			 * Before we probe the MII bus, we need to reset
   3396  1.17  thorpej 			 * it and issue the selection sequence.
   3397  1.17  thorpej 			 */
   3398  1.17  thorpej 
   3399  1.17  thorpej 			/* Set the direction of the pins... */
   3400  1.17  thorpej 			TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir);
   3401  1.17  thorpej 
   3402  1.17  thorpej 			for (i = 0; i < tm->tm_reset_length; i++) {
   3403  1.17  thorpej 				delay(10);
   3404  1.17  thorpej 				TULIP_WRITE(sc, CSR_GPP,
   3405  1.17  thorpej 				    sc->sc_srom[tm->tm_reset_offset + i]);
   3406  1.17  thorpej 			}
   3407  1.17  thorpej 
   3408  1.17  thorpej 			for (i = 0; i < tm->tm_gp_length; i++) {
   3409  1.17  thorpej 				delay(10);
   3410  1.17  thorpej 				TULIP_WRITE(sc, CSR_GPP,
   3411  1.17  thorpej 				    sc->sc_srom[tm->tm_gp_offset + i]);
   3412  1.17  thorpej 			}
   3413  1.17  thorpej 
   3414  1.17  thorpej 			/* If there were no sequences, just lower the pins. */
   3415  1.17  thorpej 			if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) {
   3416  1.17  thorpej 				delay(10);
   3417  1.17  thorpej 				TULIP_WRITE(sc, CSR_GPP, 0);
   3418  1.17  thorpej 			}
   3419  1.17  thorpej 
   3420  1.17  thorpej 			/*
   3421  1.17  thorpej 			 * Now, probe the MII for the PHY.  Note, we know
   3422  1.17  thorpej 			 * the location of the PHY on the bus, but we don't
   3423  1.17  thorpej 			 * particularly care; the MII code just likes to
   3424  1.17  thorpej 			 * search the whole thing anyhow.
   3425  1.17  thorpej 			 */
   3426  1.17  thorpej 			mii_phy_probe(&sc->sc_dev, &sc->sc_mii, 0xffffffff);
   3427  1.17  thorpej 
   3428  1.17  thorpej 			/*
   3429  1.17  thorpej 			 * Now, search for the PHY we hopefully just
   3430  1.17  thorpej 			 * configured.  If it's not configured into the
   3431  1.17  thorpej 			 * kernel, we lose.  The PHY's default media always
   3432  1.17  thorpej 			 * takes priority.
   3433  1.17  thorpej 			 */
   3434  1.17  thorpej 			for (phy = LIST_FIRST(&sc->sc_mii.mii_phys);
   3435  1.17  thorpej 			     phy != NULL;
   3436  1.17  thorpej 			     phy = LIST_NEXT(phy, mii_list))
   3437  1.17  thorpej 				if (phy->mii_offset == tm->tm_phyno)
   3438  1.17  thorpej 					break;
   3439  1.17  thorpej 			if (phy == NULL) {
   3440  1.17  thorpej 				printf("%s: unable to configure MII\n",
   3441  1.17  thorpej 				    sc->sc_dev.dv_xname);
   3442  1.17  thorpej 				break;
   3443  1.17  thorpej 			}
   3444  1.17  thorpej 
   3445  1.17  thorpej 			sc->sc_flags |= TULIPF_HAS_MII;
   3446  1.17  thorpej 			sc->sc_tick = tlp_mii_tick;
   3447  1.17  thorpej 			defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0,
   3448  1.17  thorpej 			    phy->mii_inst);
   3449  1.17  thorpej 
   3450  1.17  thorpej 			/*
   3451  1.17  thorpej 			 * Okay, now that we've found the PHY and the MII
   3452  1.17  thorpej 			 * layer has added all of the media associated
   3453  1.17  thorpej 			 * with that PHY, we need to traverse the media
   3454  1.17  thorpej 			 * list, and add our `tm' to each entry's `aux'
   3455  1.17  thorpej 			 * pointer.
   3456  1.17  thorpej 			 *
   3457  1.17  thorpej 			 * We do this by looking for media with our
   3458  1.17  thorpej 			 * PHY's `instance'.
   3459  1.17  thorpej 			 */
   3460  1.17  thorpej 			for (ife = LIST_FIRST(&sc->sc_mii.mii_media.ifm_list);
   3461  1.17  thorpej 			     ife != NULL;
   3462  1.17  thorpej 			     ife = LIST_NEXT(ife, ifm_list)) {
   3463  1.17  thorpej 				if (IFM_INST(ife->ifm_media) != phy->mii_inst)
   3464  1.17  thorpej 					continue;
   3465  1.17  thorpej 				ife->ifm_aux = tm;
   3466  1.17  thorpej 			}
   3467  1.17  thorpej 			break;
   3468  1.17  thorpej 
   3469  1.17  thorpej 		case TULIP_ROM_MB_21142_SIA:
   3470  1.17  thorpej 			printf("%s: 21142 SIA block\n", sc->sc_dev.dv_xname);
   3471  1.17  thorpej 			break;
   3472  1.17  thorpej 
   3473  1.17  thorpej 		case TULIP_ROM_MB_21142_MII:
   3474  1.17  thorpej 			printf("%s: 21142 MII block\n", sc->sc_dev.dv_xname);
   3475  1.17  thorpej 			break;
   3476  1.17  thorpej 
   3477  1.17  thorpej 		case TULIP_ROM_MB_21143_SYM:
   3478  1.17  thorpej 			printf("%s: 21143 SYM block\n", sc->sc_dev.dv_xname);
   3479  1.17  thorpej 			break;
   3480  1.17  thorpej 
   3481  1.17  thorpej 		case TULIP_ROM_MB_21143_RESET:
   3482  1.17  thorpej 			printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname);
   3483  1.17  thorpej 			break;
   3484  1.17  thorpej 
   3485  1.17  thorpej 		default:
   3486  1.17  thorpej 			printf("%s: unknown ISV media block type 0x%02x\n",
   3487  1.17  thorpej 			    sc->sc_dev.dv_xname, type);
   3488  1.17  thorpej 		}
   3489  1.17  thorpej 	}
   3490  1.17  thorpej 
   3491  1.17  thorpej 	/*
   3492  1.17  thorpej 	 * Deal with the case where no media is configured.
   3493  1.17  thorpej 	 */
   3494  1.17  thorpej 	if (LIST_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) {
   3495  1.17  thorpej 		printf("%s: no media found!\n", sc->sc_dev.dv_xname);
   3496  1.17  thorpej 		ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL);
   3497  1.17  thorpej 		defmedia = IFM_ETHER|IFM_NONE;
   3498  1.17  thorpej 		goto set_default;
   3499  1.17  thorpej 	}
   3500  1.17  thorpej 
   3501  1.17  thorpej 	/*
   3502  1.17  thorpej 	 * Display any non-MII media we've located.
   3503  1.17  thorpej 	 */
   3504  1.17  thorpej 	if (seen & (1 << TULIP_ROM_MB_21140_GPR)) {
   3505  1.17  thorpej 		printf("%s: GPR media: ", sc->sc_dev.dv_xname);
   3506  1.17  thorpej 		/* XXX */
   3507  1.17  thorpej 		printf("\n");
   3508  1.17  thorpej 	}
   3509  1.17  thorpej 
   3510  1.17  thorpej 	if (seen & (1 << TULIP_ROM_MB_21142_SIA)) {
   3511  1.17  thorpej 		printf("%s: SIA media: ", sc->sc_dev.dv_xname);
   3512  1.17  thorpej 		/* XXX */
   3513  1.17  thorpej 		printf("\n");
   3514  1.17  thorpej 	}
   3515  1.17  thorpej 
   3516  1.17  thorpej 	if (seen & (1 << TULIP_ROM_MB_21143_SYM)) {
   3517  1.17  thorpej 		printf("%s: SYM media: ", sc->sc_dev.dv_xname);
   3518  1.17  thorpej 		/* XXX */
   3519  1.17  thorpej 		printf("\n");
   3520  1.17  thorpej 	}
   3521  1.17  thorpej 
   3522  1.17  thorpej 	/*
   3523  1.17  thorpej 	 * XXX Display default media if not MII.
   3524  1.17  thorpej 	 */
   3525  1.17  thorpej 
   3526  1.17  thorpej  set_default:
   3527  1.17  thorpej 	/*
   3528  1.17  thorpej 	 * Set the default media.
   3529  1.17  thorpej 	 *
   3530  1.17  thorpej 	 * XXX Should make some attempt to care about the SROM default
   3531  1.17  thorpej 	 * setting, but we don't.
   3532  1.17  thorpej 	 */
   3533  1.17  thorpej #ifdef DIAGNOSTIC
   3534  1.17  thorpej 	if (defmedia == 0)
   3535  1.17  thorpej 		panic("tlp_2114x_isv_tmsw_init: no default media");
   3536  1.17  thorpej #endif
   3537  1.17  thorpej 	ifmedia_set(&sc->sc_mii.mii_media, defmedia);
   3538  1.17  thorpej }
   3539  1.17  thorpej 
   3540  1.17  thorpej void
   3541  1.17  thorpej tlp_2114x_isv_tmsw_get(sc, ifmr)
   3542  1.17  thorpej 	struct tulip_softc *sc;
   3543  1.17  thorpej 	struct ifmediareq *ifmr;
   3544  1.17  thorpej {
   3545  1.17  thorpej 	struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
   3546  1.17  thorpej 	struct tulip_2114x_media *tm = ife->ifm_aux;
   3547  1.17  thorpej 
   3548  1.17  thorpej 	(*tm->tm_get)(sc, ifmr);
   3549  1.17  thorpej }
   3550  1.17  thorpej 
   3551  1.17  thorpej int
   3552  1.17  thorpej tlp_2114x_isv_tmsw_set(sc)
   3553  1.17  thorpej 	struct tulip_softc *sc;
   3554  1.17  thorpej {
   3555  1.17  thorpej 	struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
   3556  1.17  thorpej 	struct tulip_2114x_media *tm = ife->ifm_aux;
   3557  1.17  thorpej 
   3558  1.17  thorpej 	return ((*tm->tm_set)(sc));
   3559   1.7  thorpej }
   3560   1.7  thorpej 
   3561   1.7  thorpej /*
   3562   1.1  thorpej  * MII-on-SIO media switch.  Handles only MII attached to the SIO.
   3563   1.1  thorpej  */
   3564   1.1  thorpej void	tlp_sio_mii_tmsw_init __P((struct tulip_softc *));
   3565   1.1  thorpej 
   3566   1.1  thorpej const struct tulip_mediasw tlp_sio_mii_mediasw = {
   3567   1.1  thorpej 	tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia
   3568   1.1  thorpej };
   3569   1.1  thorpej 
   3570   1.1  thorpej void
   3571   1.1  thorpej tlp_sio_mii_tmsw_init(sc)
   3572   1.1  thorpej 	struct tulip_softc *sc;
   3573   1.1  thorpej {
   3574   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
   3575   1.1  thorpej 
   3576   1.1  thorpej 	sc->sc_mii.mii_ifp = ifp;
   3577   1.1  thorpej 	sc->sc_mii.mii_readreg = tlp_sio_mii_readreg;
   3578   1.1  thorpej 	sc->sc_mii.mii_writereg = tlp_sio_mii_writereg;
   3579   1.5  thorpej 	sc->sc_mii.mii_statchg = sc->sc_statchg;
   3580   1.1  thorpej 	ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
   3581   1.1  thorpej 	    tlp_mediastatus);
   3582   1.1  thorpej 	mii_phy_probe(&sc->sc_dev, &sc->sc_mii, 0xffffffff);
   3583   1.1  thorpej 	if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
   3584   1.1  thorpej 		ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL);
   3585   1.1  thorpej 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
   3586   1.1  thorpej 	} else {
   3587   1.1  thorpej 		sc->sc_flags |= TULIPF_HAS_MII;
   3588   1.6  thorpej 		sc->sc_tick = tlp_mii_tick;
   3589   1.1  thorpej 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
   3590   1.1  thorpej 	}
   3591   1.1  thorpej }
   3592   1.1  thorpej 
   3593   1.1  thorpej /*
   3594   1.1  thorpej  * Lite-On PNIC media switch.  Must handle MII or internal NWAY.
   3595   1.1  thorpej  */
   3596   1.1  thorpej void	tlp_pnic_tmsw_init __P((struct tulip_softc *));
   3597   1.1  thorpej void	tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *));
   3598   1.1  thorpej int	tlp_pnic_tmsw_set __P((struct tulip_softc *));
   3599   1.1  thorpej 
   3600   1.1  thorpej const struct tulip_mediasw tlp_pnic_mediasw = {
   3601   1.1  thorpej 	tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set
   3602   1.1  thorpej };
   3603   1.1  thorpej 
   3604   1.7  thorpej void	tlp_pnic_nway_statchg __P((struct device *));
   3605   1.6  thorpej void	tlp_pnic_nway_tick __P((void *));
   3606   1.6  thorpej int	tlp_pnic_nway_service __P((struct tulip_softc *, int));
   3607   1.6  thorpej void	tlp_pnic_nway_reset __P((struct tulip_softc *));
   3608   1.6  thorpej int	tlp_pnic_nway_auto __P((struct tulip_softc *, int));
   3609   1.6  thorpej void	tlp_pnic_nway_auto_timeout __P((void *));
   3610   1.6  thorpej void	tlp_pnic_nway_status __P((struct tulip_softc *));
   3611   1.6  thorpej void	tlp_pnic_nway_acomp __P((struct tulip_softc *));
   3612   1.6  thorpej 
   3613   1.1  thorpej void
   3614   1.1  thorpej tlp_pnic_tmsw_init(sc)
   3615   1.1  thorpej 	struct tulip_softc *sc;
   3616   1.1  thorpej {
   3617   1.1  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
   3618   1.6  thorpej 	const char *sep = "";
   3619   1.6  thorpej 
   3620   1.6  thorpej #define	ADD(m, c)	ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL)
   3621   1.6  thorpej #define	PRINT(s)	printf("%s%s", sep, s); sep = ", "
   3622   1.1  thorpej 
   3623   1.1  thorpej 	sc->sc_mii.mii_ifp = ifp;
   3624   1.1  thorpej 	sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg;
   3625   1.1  thorpej 	sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg;
   3626   1.5  thorpej 	sc->sc_mii.mii_statchg = sc->sc_statchg;
   3627   1.1  thorpej 	ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
   3628   1.1  thorpej 	    tlp_mediastatus);
   3629   1.1  thorpej 	mii_phy_probe(&sc->sc_dev, &sc->sc_mii, 0xffffffff);
   3630   1.1  thorpej 	if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
   3631   1.6  thorpej 		/* XXX What about AUI/BNC support? */
   3632   1.6  thorpej 		printf("%s: ", sc->sc_dev.dv_xname);
   3633   1.6  thorpej 
   3634   1.6  thorpej 		tlp_pnic_nway_reset(sc);
   3635   1.6  thorpej 
   3636   1.6  thorpej 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0),
   3637   1.6  thorpej 		    PNIC_NWAY_TW|PNIC_NWAY_CAP10T);
   3638   1.6  thorpej 		PRINT("10baseT");
   3639   1.6  thorpej 
   3640   1.6  thorpej 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0),
   3641   1.6  thorpej 		    PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX);
   3642   1.6  thorpej 		PRINT("10baseT-FDX");
   3643   1.6  thorpej 
   3644   1.6  thorpej 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0),
   3645   1.6  thorpej 		    PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX);
   3646   1.6  thorpej 		PRINT("100baseTX");
   3647   1.6  thorpej 
   3648   1.6  thorpej 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0),
   3649   1.6  thorpej 		    PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD|
   3650   1.6  thorpej 		    PNIC_NWAY_CAP100TXFDX);
   3651   1.6  thorpej 		PRINT("100baseTX-FDX");
   3652   1.6  thorpej 
   3653   1.6  thorpej 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0),
   3654   1.6  thorpej 		    PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW|
   3655   1.6  thorpej 		    PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX|
   3656   1.6  thorpej 		    PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX);
   3657   1.6  thorpej 		PRINT("auto");
   3658   1.6  thorpej 
   3659   1.7  thorpej 		printf("\n");
   3660   1.7  thorpej 
   3661   1.7  thorpej 		sc->sc_statchg = tlp_pnic_nway_statchg;
   3662   1.6  thorpej 		sc->sc_tick = tlp_pnic_nway_tick;
   3663   1.6  thorpej 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
   3664   1.1  thorpej 	} else {
   3665   1.1  thorpej 		sc->sc_flags |= TULIPF_HAS_MII;
   3666   1.6  thorpej 		sc->sc_tick = tlp_mii_tick;
   3667   1.1  thorpej 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
   3668   1.1  thorpej 	}
   3669   1.6  thorpej 
   3670   1.6  thorpej #undef ADD
   3671   1.6  thorpej #undef PRINT
   3672   1.1  thorpej }
   3673   1.1  thorpej 
   3674   1.1  thorpej void
   3675   1.1  thorpej tlp_pnic_tmsw_get(sc, ifmr)
   3676   1.1  thorpej 	struct tulip_softc *sc;
   3677   1.1  thorpej 	struct ifmediareq *ifmr;
   3678   1.1  thorpej {
   3679   1.6  thorpej 	struct mii_data *mii = &sc->sc_mii;
   3680   1.1  thorpej 
   3681   1.1  thorpej 	if (sc->sc_flags & TULIPF_HAS_MII)
   3682   1.1  thorpej 		tlp_mii_getmedia(sc, ifmr);
   3683   1.1  thorpej 	else {
   3684   1.6  thorpej 		mii->mii_media_status = 0;
   3685   1.6  thorpej 		mii->mii_media_active = IFM_NONE;
   3686   1.6  thorpej 		tlp_pnic_nway_service(sc, MII_POLLSTAT);
   3687   1.6  thorpej 		ifmr->ifm_status = sc->sc_mii.mii_media_status;
   3688   1.6  thorpej 		ifmr->ifm_active = sc->sc_mii.mii_media_active;
   3689   1.1  thorpej 	}
   3690   1.1  thorpej }
   3691   1.1  thorpej 
   3692   1.1  thorpej int
   3693   1.1  thorpej tlp_pnic_tmsw_set(sc)
   3694   1.1  thorpej 	struct tulip_softc *sc;
   3695   1.1  thorpej {
   3696   1.6  thorpej 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
   3697   1.6  thorpej 	struct mii_data *mii = &sc->sc_mii;
   3698   1.1  thorpej 
   3699  1.15  thorpej 	if (sc->sc_flags & TULIPF_HAS_MII) {
   3700  1.15  thorpej 		/*
   3701  1.15  thorpej 		 * Make sure the built-in Tx jabber timer is disabled.
   3702  1.15  thorpej 		 */
   3703  1.15  thorpej 		TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS);
   3704  1.15  thorpej 
   3705   1.1  thorpej 		return (tlp_mii_setmedia(sc));
   3706  1.15  thorpej 	}
   3707   1.1  thorpej 
   3708   1.6  thorpej 	if (ifp->if_flags & IFF_UP) {
   3709   1.6  thorpej 		mii->mii_media_status = 0;
   3710   1.6  thorpej 		mii->mii_media_active = IFM_NONE;
   3711   1.6  thorpej 		return (tlp_pnic_nway_service(sc, MII_MEDIACHG));
   3712   1.6  thorpej 	}
   3713   1.6  thorpej 
   3714   1.6  thorpej 	return (0);
   3715   1.7  thorpej }
   3716   1.7  thorpej 
   3717   1.7  thorpej void
   3718   1.7  thorpej tlp_pnic_nway_statchg(self)
   3719   1.7  thorpej 	struct device *self;
   3720   1.7  thorpej {
   3721   1.7  thorpej 	struct tulip_softc *sc = (struct tulip_softc *)self;
   3722   1.7  thorpej 
   3723   1.7  thorpej 	/* Idle the transmit and receive processes. */
   3724   1.7  thorpej 	tlp_idle(sc, OPMODE_ST|OPMODE_SR);
   3725   1.7  thorpej 
   3726   1.7  thorpej 	/*
   3727   1.7  thorpej 	 * XXX What about Heartbeat Disable?  Is it magically frobbed
   3728   1.7  thorpej 	 * XXX by the PHY?  I hope so...
   3729   1.7  thorpej 	 */
   3730   1.7  thorpej 
   3731   1.7  thorpej 	sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS|
   3732   1.7  thorpej 	    OPMODE_SCR);
   3733   1.7  thorpej 
   3734   1.7  thorpej 	if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) {
   3735   1.7  thorpej 		sc->sc_opmode |= OPMODE_TTM;
   3736   1.7  thorpej 		TULIP_WRITE(sc, CSR_GPP,
   3737   1.7  thorpej 		    GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) |
   3738   1.7  thorpej 		    GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1));
   3739   1.7  thorpej 	} else {
   3740   1.7  thorpej 		sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR;
   3741   1.7  thorpej 		TULIP_WRITE(sc, CSR_GPP,
   3742   1.7  thorpej 		    GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) |
   3743   1.7  thorpej 		    GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1));
   3744   1.7  thorpej 	}
   3745   1.7  thorpej 
   3746   1.7  thorpej 	if (sc->sc_mii.mii_media_active & IFM_FDX)
   3747   1.7  thorpej 		sc->sc_opmode |= OPMODE_FD;
   3748   1.7  thorpej 
   3749   1.7  thorpej 	/*
   3750   1.7  thorpej 	 * Write new OPMODE bits.  This also restarts the transmit
   3751   1.7  thorpej 	 * and receive processes.
   3752   1.7  thorpej 	 */
   3753   1.7  thorpej 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
   3754   1.7  thorpej 
   3755   1.7  thorpej 	/* XXX Update ifp->if_baudrate */
   3756   1.6  thorpej }
   3757   1.6  thorpej 
   3758   1.6  thorpej void
   3759   1.6  thorpej tlp_pnic_nway_tick(arg)
   3760   1.6  thorpej 	void *arg;
   3761   1.6  thorpej {
   3762   1.6  thorpej 	struct tulip_softc *sc = arg;
   3763   1.6  thorpej 	int s;
   3764   1.6  thorpej 
   3765   1.6  thorpej 	s = splnet();
   3766   1.6  thorpej 	tlp_pnic_nway_service(sc, MII_TICK);
   3767   1.6  thorpej 	splx(s);
   3768   1.6  thorpej 
   3769   1.6  thorpej 	timeout(tlp_pnic_nway_tick, sc, hz);
   3770   1.6  thorpej }
   3771   1.6  thorpej 
   3772   1.6  thorpej /*
   3773   1.6  thorpej  * Support for the Lite-On PNIC internal NWay block.  This is constructed
   3774   1.6  thorpej  * somewhat like a PHY driver for simplicity.
   3775   1.6  thorpej  */
   3776   1.6  thorpej 
   3777   1.6  thorpej int
   3778   1.6  thorpej tlp_pnic_nway_service(sc, cmd)
   3779   1.6  thorpej 	struct tulip_softc *sc;
   3780   1.6  thorpej 	int cmd;
   3781   1.6  thorpej {
   3782   1.6  thorpej 	struct mii_data *mii = &sc->sc_mii;
   3783   1.6  thorpej 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
   3784   1.6  thorpej 
   3785   1.6  thorpej 	if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
   3786   1.6  thorpej 		return (0);
   3787   1.6  thorpej 
   3788   1.6  thorpej 	switch (cmd) {
   3789   1.6  thorpej 	case MII_POLLSTAT:
   3790   1.6  thorpej 		/* Nothing special to do here. */
   3791   1.6  thorpej 		break;
   3792   1.6  thorpej 
   3793   1.6  thorpej 	case MII_MEDIACHG:
   3794   1.6  thorpej 		switch (IFM_SUBTYPE(ife->ifm_media)) {
   3795   1.6  thorpej 		case IFM_AUTO:
   3796   1.6  thorpej 			(void) tlp_pnic_nway_auto(sc, 1);
   3797   1.6  thorpej 			break;
   3798   1.6  thorpej 		case IFM_100_T4:
   3799   1.6  thorpej 			/*
   3800   1.6  thorpej 			 * XXX Not supported as a manual setting right now.
   3801   1.6  thorpej 			 */
   3802   1.6  thorpej 			return (EINVAL);
   3803   1.6  thorpej 		default:
   3804   1.6  thorpej 			/*
   3805   1.6  thorpej 			 * NWAY register data is stored in the ifmedia entry.
   3806   1.6  thorpej 			 */
   3807   1.6  thorpej 			TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data);
   3808   1.6  thorpej 		}
   3809   1.6  thorpej 		break;
   3810   1.6  thorpej 
   3811   1.6  thorpej 	case MII_TICK:
   3812   1.6  thorpej 		/*
   3813   1.6  thorpej 		 * Only used for autonegotiation.
   3814   1.6  thorpej 		 */
   3815   1.6  thorpej 		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
   3816   1.6  thorpej 			return (0);
   3817   1.6  thorpej 
   3818   1.6  thorpej 		/*
   3819   1.6  thorpej 		 * Check to see if we have link.  If we do, we don't
   3820   1.6  thorpej 		 * need to restart the autonegotiation process.
   3821   1.6  thorpej 		 */
   3822   1.6  thorpej 		if (sc->sc_flags & TULIPF_LINK_UP)
   3823   1.6  thorpej 			return (0);
   3824   1.6  thorpej 
   3825   1.6  thorpej 		/*
   3826   1.6  thorpej 		 * Only retry autonegotiation every 5 seconds.
   3827   1.6  thorpej 		 */
   3828   1.6  thorpej 		if (++sc->sc_nway_ticks != 5)
   3829   1.6  thorpej 			return (0);
   3830   1.6  thorpej 
   3831   1.6  thorpej 		sc->sc_nway_ticks = 0;
   3832   1.6  thorpej 		tlp_pnic_nway_reset(sc);
   3833   1.6  thorpej 		if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN)
   3834   1.6  thorpej 			return (0);
   3835   1.6  thorpej 		break;
   3836   1.6  thorpej 	}
   3837   1.6  thorpej 
   3838   1.6  thorpej 	/* Update the media status. */
   3839   1.6  thorpej 	tlp_pnic_nway_status(sc);
   3840   1.6  thorpej 
   3841   1.6  thorpej 	/* Callback if something changed. */
   3842   1.6  thorpej 	if (sc->sc_nway_active != mii->mii_media_active ||
   3843   1.6  thorpej 	    cmd == MII_MEDIACHG) {
   3844   1.6  thorpej 		(*sc->sc_statchg)(&sc->sc_dev);
   3845   1.6  thorpej 		sc->sc_nway_active = mii->mii_media_active;
   3846   1.6  thorpej 	}
   3847   1.6  thorpej 	return (0);
   3848   1.6  thorpej }
   3849   1.6  thorpej 
   3850   1.6  thorpej void
   3851   1.6  thorpej tlp_pnic_nway_reset(sc)
   3852   1.6  thorpej 	struct tulip_softc *sc;
   3853   1.6  thorpej {
   3854   1.6  thorpej 
   3855   1.6  thorpej 	TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS);
   3856   1.6  thorpej 	delay(100);
   3857   1.6  thorpej 	TULIP_WRITE(sc, CSR_PNIC_NWAY, 0);
   3858   1.6  thorpej }
   3859   1.6  thorpej 
   3860   1.6  thorpej int
   3861   1.6  thorpej tlp_pnic_nway_auto(sc, waitfor)
   3862   1.6  thorpej 	struct tulip_softc *sc;
   3863   1.6  thorpej 	int waitfor;
   3864   1.6  thorpej {
   3865   1.6  thorpej 	struct mii_data *mii = &sc->sc_mii;
   3866   1.6  thorpej 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
   3867   1.6  thorpej 	u_int32_t reg;
   3868   1.6  thorpej 	int i;
   3869   1.6  thorpej 
   3870   1.6  thorpej 	if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0)
   3871   1.6  thorpej 		TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data);
   3872   1.6  thorpej 
   3873   1.6  thorpej 	if (waitfor) {
   3874   1.6  thorpej 		/* Wait 500ms for it to complete. */
   3875   1.6  thorpej 		for (i = 0; i < 500; i++) {
   3876   1.6  thorpej 			reg = TULIP_READ(sc, CSR_PNIC_NWAY);
   3877   1.6  thorpej 			if (reg & PNIC_NWAY_LPAR_MASK) {
   3878   1.6  thorpej 				tlp_pnic_nway_acomp(sc);
   3879   1.6  thorpej 				return (0);
   3880   1.6  thorpej 			}
   3881   1.6  thorpej 			delay(1000);
   3882   1.6  thorpej 		}
   3883   1.6  thorpej #if 0
   3884   1.6  thorpej 		if ((reg & PNIC_NWAY_LPAR_MASK) == 0)
   3885   1.6  thorpej 			printf("%s: autonegotiation failed to complete\n",
   3886   1.6  thorpej 			    sc->sc_dev.dv_xname);
   3887   1.6  thorpej #endif
   3888   1.6  thorpej 
   3889   1.6  thorpej 		/*
   3890   1.6  thorpej 		 * Don't need to worry about clearing DOINGAUTO.
   3891   1.6  thorpej 		 * If that's set, a timeout is pending, and it will
   3892   1.6  thorpej 		 * clear the flag.
   3893   1.6  thorpej 		 */
   3894   1.6  thorpej 		return (EIO);
   3895   1.6  thorpej 	}
   3896   1.6  thorpej 
   3897   1.6  thorpej 	/*
   3898   1.6  thorpej 	 * Just let it finish asynchronously.  This is for the benefit of
   3899   1.6  thorpej 	 * the tick handler driving autonegotiation.  Don't want 500ms
   3900   1.6  thorpej 	 * delays all the time while the system is running!
   3901   1.6  thorpej 	 */
   3902   1.6  thorpej 	if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) {
   3903   1.6  thorpej 		sc->sc_flags |= TULIPF_DOINGAUTO;
   3904   1.6  thorpej 		timeout(tlp_pnic_nway_auto_timeout, sc, hz >> 1);
   3905   1.6  thorpej 	}
   3906   1.6  thorpej 	return (EJUSTRETURN);
   3907   1.6  thorpej }
   3908   1.6  thorpej 
   3909   1.6  thorpej void
   3910   1.6  thorpej tlp_pnic_nway_auto_timeout(arg)
   3911   1.6  thorpej 	void *arg;
   3912   1.6  thorpej {
   3913   1.6  thorpej 	struct tulip_softc *sc = arg;
   3914   1.6  thorpej 	u_int32_t reg;
   3915   1.6  thorpej 	int s;
   3916   1.6  thorpej 
   3917   1.6  thorpej 	s = splnet();
   3918   1.6  thorpej 	sc->sc_flags &= ~TULIPF_DOINGAUTO;
   3919   1.6  thorpej 	reg = TULIP_READ(sc, CSR_PNIC_NWAY);
   3920   1.6  thorpej #if 0
   3921   1.6  thorpej 	if ((reg & PNIC_NWAY_LPAR_MASK) == 0)
   3922   1.6  thorpej 		printf("%s: autonegotiation failed to complete\n",
   3923   1.6  thorpej 		    sc->sc_dev.dv_xname);
   3924   1.6  thorpej #endif
   3925   1.6  thorpej 
   3926   1.6  thorpej 	tlp_pnic_nway_acomp(sc);
   3927   1.6  thorpej 
   3928   1.6  thorpej 	/* Update the media status. */
   3929   1.6  thorpej 	(void) tlp_pnic_nway_service(sc, MII_POLLSTAT);
   3930   1.6  thorpej 	splx(s);
   3931   1.6  thorpej }
   3932   1.6  thorpej 
   3933   1.6  thorpej void
   3934   1.6  thorpej tlp_pnic_nway_status(sc)
   3935   1.6  thorpej 	struct tulip_softc *sc;
   3936   1.6  thorpej {
   3937   1.6  thorpej 	struct mii_data *mii = &sc->sc_mii;
   3938   1.6  thorpej 	u_int32_t reg;
   3939   1.6  thorpej 
   3940   1.6  thorpej 	mii->mii_media_status = IFM_AVALID;
   3941   1.6  thorpej 	mii->mii_media_active = IFM_ETHER;
   3942   1.6  thorpej 
   3943   1.6  thorpej 	reg = TULIP_READ(sc, CSR_PNIC_NWAY);
   3944   1.6  thorpej 
   3945   1.6  thorpej 	if (sc->sc_flags & TULIPF_LINK_UP)
   3946   1.6  thorpej 		mii->mii_media_status |= IFM_ACTIVE;
   3947   1.6  thorpej 
   3948   1.6  thorpej 	if (reg & PNIC_NWAY_NW) {
   3949   1.6  thorpej 		if ((reg & PNIC_NWAY_LPAR_MASK) == 0) {
   3950   1.6  thorpej 			/* Erg, still trying, I guess... */
   3951   1.6  thorpej 			mii->mii_media_active |= IFM_NONE;
   3952   1.6  thorpej 			return;
   3953   1.6  thorpej 		}
   3954   1.6  thorpej 
   3955   1.6  thorpej #if 0
   3956   1.6  thorpej 		if (reg & PNIC_NWAY_LPAR100T4)
   3957   1.6  thorpej 			mii->mii_media_active |= IFM_100_T4;
   3958   1.6  thorpej 		else
   3959   1.6  thorpej #endif
   3960   1.6  thorpej 		if (reg & PNIC_NWAY_LPAR100TXFDX)
   3961   1.6  thorpej 			mii->mii_media_active |= IFM_100_TX|IFM_FDX;
   3962   1.6  thorpej 		else if (reg & PNIC_NWAY_LPAR100TX)
   3963   1.6  thorpej 			mii->mii_media_active |= IFM_100_TX;
   3964   1.6  thorpej 		else if (reg & PNIC_NWAY_LPAR10TFDX)
   3965   1.6  thorpej 			mii->mii_media_active |= IFM_10_T|IFM_FDX;
   3966   1.6  thorpej 		else if (reg & PNIC_NWAY_LPAR10T)
   3967   1.6  thorpej 			mii->mii_media_active |= IFM_10_T;
   3968   1.6  thorpej 		else
   3969   1.6  thorpej 			mii->mii_media_active |= IFM_NONE;
   3970   1.6  thorpej 	} else {
   3971   1.6  thorpej 		if (reg & PNIC_NWAY_100)
   3972   1.6  thorpej 			mii->mii_media_active |= IFM_100_TX;
   3973   1.6  thorpej 		else
   3974   1.6  thorpej 			mii->mii_media_active |= IFM_10_T;
   3975   1.6  thorpej 		if (reg & PNIC_NWAY_FD)
   3976   1.6  thorpej 			mii->mii_media_active |= IFM_FDX;
   3977   1.6  thorpej 	}
   3978   1.6  thorpej }
   3979   1.6  thorpej 
   3980   1.6  thorpej void
   3981   1.6  thorpej tlp_pnic_nway_acomp(sc)
   3982   1.6  thorpej 	struct tulip_softc *sc;
   3983   1.6  thorpej {
   3984   1.6  thorpej 	u_int32_t reg;
   3985   1.6  thorpej 
   3986   1.6  thorpej 	reg = TULIP_READ(sc, CSR_PNIC_NWAY);
   3987   1.6  thorpej 	reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN);
   3988   1.6  thorpej 
   3989   1.6  thorpej 	if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX))
   3990   1.6  thorpej 		reg |= PNIC_NWAY_100;
   3991   1.6  thorpej 	if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX))
   3992   1.6  thorpej 		reg |= PNIC_NWAY_FD;
   3993   1.6  thorpej 
   3994   1.6  thorpej 	TULIP_WRITE(sc, CSR_PNIC_NWAY, reg);
   3995   1.1  thorpej }
   3996