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if_sm_pcmcia.c revision 1.49
      1  1.49        ad /*	$NetBSD: if_sm_pcmcia.c,v 1.49 2007/10/19 12:01:05 ad Exp $	*/
      2   1.2   thorpej 
      3   1.2   thorpej /*-
      4  1.40   mycroft  * Copyright (c) 1997, 1998, 2000, 2004 The NetBSD Foundation, Inc.
      5   1.2   thorpej  * All rights reserved.
      6   1.2   thorpej  *
      7   1.2   thorpej  * This code is derived from software contributed to The NetBSD Foundation
      8   1.2   thorpej  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9  1.40   mycroft  * NASA Ames Research Center, and by Charles M. Hannum.
     10   1.2   thorpej  *
     11   1.2   thorpej  * Redistribution and use in source and binary forms, with or without
     12   1.2   thorpej  * modification, are permitted provided that the following conditions
     13   1.2   thorpej  * are met:
     14   1.2   thorpej  * 1. Redistributions of source code must retain the above copyright
     15   1.2   thorpej  *    notice, this list of conditions and the following disclaimer.
     16   1.2   thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     17   1.2   thorpej  *    notice, this list of conditions and the following disclaimer in the
     18   1.2   thorpej  *    documentation and/or other materials provided with the distribution.
     19   1.2   thorpej  * 3. All advertising materials mentioning features or use of this software
     20   1.2   thorpej  *    must display the following acknowledgement:
     21   1.2   thorpej  *	This product includes software developed by the NetBSD
     22   1.2   thorpej  *	Foundation, Inc. and its contributors.
     23   1.2   thorpej  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24   1.2   thorpej  *    contributors may be used to endorse or promote products derived
     25   1.2   thorpej  *    from this software without specific prior written permission.
     26   1.2   thorpej  *
     27   1.2   thorpej  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28   1.2   thorpej  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29   1.2   thorpej  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30   1.2   thorpej  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31   1.2   thorpej  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32   1.2   thorpej  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33   1.2   thorpej  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34   1.2   thorpej  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35   1.2   thorpej  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36   1.2   thorpej  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37   1.2   thorpej  * POSSIBILITY OF SUCH DAMAGE.
     38   1.2   thorpej  */
     39  1.26     lukem 
     40  1.26     lukem #include <sys/cdefs.h>
     41  1.49        ad __KERNEL_RCSID(0, "$NetBSD: if_sm_pcmcia.c,v 1.49 2007/10/19 12:01:05 ad Exp $");
     42   1.2   thorpej 
     43   1.2   thorpej #include <sys/param.h>
     44   1.2   thorpej #include <sys/systm.h>
     45   1.2   thorpej #include <sys/mbuf.h>
     46   1.2   thorpej #include <sys/socket.h>
     47   1.2   thorpej #include <sys/ioctl.h>
     48   1.2   thorpej #include <sys/errno.h>
     49   1.2   thorpej #include <sys/syslog.h>
     50   1.2   thorpej #include <sys/select.h>
     51   1.2   thorpej #include <sys/device.h>
     52   1.2   thorpej 
     53   1.2   thorpej #include <net/if.h>
     54   1.2   thorpej #include <net/if_dl.h>
     55   1.2   thorpej #include <net/if_ether.h>
     56   1.2   thorpej #include <net/if_media.h>
     57   1.2   thorpej 
     58  1.49        ad #include <sys/intr.h>
     59  1.49        ad #include <sys/bus.h>
     60  1.23    briggs 
     61  1.23    briggs #include <dev/mii/mii.h>
     62  1.23    briggs #include <dev/mii/miivar.h>
     63   1.2   thorpej 
     64   1.2   thorpej #include <dev/ic/smc91cxxreg.h>
     65   1.2   thorpej #include <dev/ic/smc91cxxvar.h>
     66   1.2   thorpej 
     67   1.2   thorpej #include <dev/pcmcia/pcmciareg.h>
     68   1.2   thorpej #include <dev/pcmcia/pcmciavar.h>
     69   1.6  christos #include <dev/pcmcia/pcmciadevs.h>
     70   1.2   thorpej 
     71  1.45     perry int	sm_pcmcia_match(struct device *, struct cfdata *, void *);
     72  1.45     perry int	sm_pcmcia_validate_config(struct pcmcia_config_entry *);
     73  1.45     perry void	sm_pcmcia_attach(struct device *, struct device *, void *);
     74  1.45     perry int	sm_pcmcia_detach(struct device *, int);
     75   1.2   thorpej 
     76   1.2   thorpej struct sm_pcmcia_softc {
     77   1.2   thorpej 	struct	smc91cxx_softc sc_smc;		/* real "smc" softc */
     78   1.2   thorpej 
     79  1.43   mycroft 	struct	pcmcia_function *sc_pf;		/* our PCMCIA function */
     80   1.2   thorpej 	void	*sc_ih;				/* interrupt cookie */
     81  1.39   mycroft 
     82  1.39   mycroft 	int	sc_state;
     83  1.39   mycroft #define	SM_PCMCIA_ATTACHED	3
     84   1.2   thorpej };
     85   1.2   thorpej 
     86  1.29   thorpej CFATTACH_DECL(sm_pcmcia, sizeof(struct sm_pcmcia_softc),
     87  1.30   thorpej     sm_pcmcia_match, sm_pcmcia_attach, sm_pcmcia_detach, smc91cxx_activate);
     88   1.2   thorpej 
     89  1.45     perry int	sm_pcmcia_enable(struct smc91cxx_softc *);
     90  1.45     perry void	sm_pcmcia_disable(struct smc91cxx_softc *);
     91   1.2   thorpej 
     92  1.45     perry int	sm_pcmcia_ascii_enaddr(const char *, u_int8_t *);
     93   1.7   thorpej 
     94  1.20       cgd const struct pcmcia_product sm_pcmcia_products[] = {
     95  1.43   mycroft 	{ PCMCIA_VENDOR_MEGAHERTZ2, PCMCIA_PRODUCT_MEGAHERTZ2_EM1144,
     96  1.43   mycroft 	  PCMCIA_CIS_INVALID },
     97  1.31   mycroft 
     98  1.43   mycroft 	{ PCMCIA_VENDOR_MEGAHERTZ2, PCMCIA_PRODUCT_MEGAHERTZ2_XJACK,
     99  1.43   mycroft 	  PCMCIA_CIS_INVALID },
    100  1.16       abs 
    101  1.43   mycroft 	{ PCMCIA_VENDOR_NEWMEDIA, PCMCIA_PRODUCT_NEWMEDIA_BASICS,
    102  1.43   mycroft 	  PCMCIA_CIS_INVALID },
    103  1.10   thorpej 
    104  1.11   thorpej #if 0
    105  1.43   mycroft 	{ PCMCIA_VENDOR_SMC, PCMCIA_PRODUCT_SMC_8020BT,
    106  1.43   mycroft 	  PCMCIA_CIS_INVALID },
    107  1.11   thorpej #endif
    108  1.43   mycroft 	{ PCMCIA_VENDOR_PSION, PCMCIA_PRODUCT_PSION_GOLDCARD,
    109  1.43   mycroft 	  PCMCIA_CIS_INVALID },
    110   1.7   thorpej };
    111  1.43   mycroft const size_t sm_pcmcia_nproducts =
    112  1.43   mycroft     sizeof(sm_pcmcia_products) / sizeof(sm_pcmcia_products[0]);
    113   1.7   thorpej 
    114   1.2   thorpej int
    115  1.48  christos sm_pcmcia_match(struct device *parent, struct cfdata *match,
    116  1.47  christos     void *aux)
    117   1.2   thorpej {
    118   1.2   thorpej 	struct pcmcia_attach_args *pa = aux;
    119   1.2   thorpej 
    120  1.43   mycroft 	/* This is to differentiate the serial function of some cards. */
    121  1.31   mycroft 	if (pa->pf->function != PCMCIA_FUNCTION_NETWORK)
    122  1.31   mycroft 		return (0);
    123  1.31   mycroft 
    124  1.43   mycroft 	if (pcmcia_product_lookup(pa, sm_pcmcia_products, sm_pcmcia_nproducts,
    125  1.43   mycroft 	    sizeof(sm_pcmcia_products[0]), NULL))
    126   1.7   thorpej 		return (1);
    127   1.2   thorpej 	return (0);
    128   1.2   thorpej }
    129   1.2   thorpej 
    130  1.39   mycroft int
    131  1.39   mycroft sm_pcmcia_validate_config(cfe)
    132  1.39   mycroft 	struct pcmcia_config_entry *cfe;
    133  1.39   mycroft {
    134  1.39   mycroft 	if (cfe->iftype != PCMCIA_IFTYPE_IO ||
    135  1.39   mycroft 	    cfe->num_memspace != 0 ||
    136  1.39   mycroft 	    cfe->num_iospace != 1 ||
    137  1.39   mycroft 	    cfe->iospace[0].length < SMC_IOSIZE)
    138  1.39   mycroft 		return (EINVAL);
    139  1.39   mycroft 	return (0);
    140  1.39   mycroft }
    141  1.39   mycroft 
    142   1.2   thorpej void
    143  1.48  christos sm_pcmcia_attach(struct device *parent, struct device *self, void *aux)
    144   1.2   thorpej {
    145   1.2   thorpej 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
    146   1.2   thorpej 	struct smc91cxx_softc *sc = &psc->sc_smc;
    147   1.2   thorpej 	struct pcmcia_attach_args *pa = aux;
    148   1.2   thorpej 	struct pcmcia_config_entry *cfe;
    149  1.32   mycroft 	u_int8_t enaddr[ETHER_ADDR_LEN];
    150  1.39   mycroft 	int error;
    151   1.2   thorpej 
    152   1.2   thorpej 	psc->sc_pf = pa->pf;
    153  1.35   mycroft 
    154  1.39   mycroft 	error = pcmcia_function_configure(pa->pf, sm_pcmcia_validate_config);
    155  1.39   mycroft 	if (error) {
    156  1.39   mycroft 		aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
    157  1.39   mycroft 		    error);
    158  1.39   mycroft 		return;
    159   1.2   thorpej 	}
    160   1.2   thorpej 
    161  1.39   mycroft 	cfe = pa->pf->cfe;
    162  1.39   mycroft 	sc->sc_bst = cfe->iospace[0].handle.iot;
    163  1.39   mycroft 	sc->sc_bsh = cfe->iospace[0].handle.ioh;
    164  1.39   mycroft 
    165  1.39   mycroft 	error = sm_pcmcia_enable(sc);
    166  1.41   mycroft 	if (error)
    167  1.39   mycroft 		goto fail;
    168  1.38   mycroft 
    169  1.38   mycroft 	sc->sc_enable = sm_pcmcia_enable;
    170  1.38   mycroft 	sc->sc_disable = sm_pcmcia_disable;
    171  1.38   mycroft 
    172  1.10   thorpej 	/*
    173  1.10   thorpej 	 * First try to get the Ethernet address from FUNCE/LANNID tuple.
    174  1.32   mycroft 	 * If that fails, try one of the CIS info strings.
    175  1.10   thorpej 	 */
    176  1.32   mycroft 	if (pa->pf->pf_funce_lan_nidlen == ETHER_ADDR_LEN) {
    177  1.32   mycroft 		memcpy(enaddr, pa->pf->pf_funce_lan_nid, ETHER_ADDR_LEN);
    178  1.32   mycroft 	} else {
    179  1.32   mycroft 		if (!sm_pcmcia_ascii_enaddr(pa->pf->sc->card.cis1_info[3], enaddr) &&
    180  1.32   mycroft 		    !sm_pcmcia_ascii_enaddr(pa->pf->sc->card.cis1_info[2], enaddr))
    181  1.33   mycroft 			aprint_error("%s: unable to get Ethernet address\n",
    182  1.33   mycroft 			    self->dv_xname);
    183  1.10   thorpej 	}
    184  1.10   thorpej 
    185   1.7   thorpej 	/* Perform generic intialization. */
    186   1.7   thorpej 	smc91cxx_attach(sc, enaddr);
    187   1.7   thorpej 
    188  1.39   mycroft 	psc->sc_state = SM_PCMCIA_ATTACHED;
    189  1.38   mycroft 	sm_pcmcia_disable(sc);
    190  1.21     enami 	return;
    191  1.21     enami 
    192  1.39   mycroft fail:
    193  1.39   mycroft 	pcmcia_function_unconfigure(pa->pf);
    194  1.13   thorpej }
    195  1.13   thorpej 
    196  1.13   thorpej int
    197  1.13   thorpej sm_pcmcia_detach(self, flags)
    198  1.13   thorpej 	struct device *self;
    199  1.13   thorpej 	int flags;
    200  1.13   thorpej {
    201  1.14   thorpej 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
    202  1.39   mycroft 	int error;
    203  1.14   thorpej 
    204  1.39   mycroft 	if (psc->sc_state != SM_PCMCIA_ATTACHED)
    205  1.21     enami 		return (0);
    206  1.14   thorpej 
    207  1.39   mycroft 	error = smc91cxx_detach((struct device *)&psc->sc_smc, flags);
    208  1.39   mycroft 	if (error)
    209  1.39   mycroft 		return (error);
    210  1.21     enami 
    211  1.39   mycroft 	pcmcia_function_unconfigure(psc->sc_pf);
    212  1.14   thorpej 
    213  1.21     enami 	return (0);
    214   1.7   thorpej }
    215   1.7   thorpej 
    216   1.7   thorpej int
    217  1.10   thorpej sm_pcmcia_ascii_enaddr(cisstr, myla)
    218  1.10   thorpej 	const char *cisstr;
    219   1.7   thorpej 	u_int8_t *myla;
    220   1.7   thorpej {
    221  1.18   thorpej 	u_int8_t digit;
    222  1.18   thorpej 	int i;
    223   1.7   thorpej 
    224  1.31   mycroft 	/* No CIS string. */
    225  1.31   mycroft 	if (cisstr == 0)
    226  1.31   mycroft 		return (0);
    227  1.31   mycroft 
    228  1.18   thorpej 	memset(myla, 0, ETHER_ADDR_LEN);
    229  1.18   thorpej 
    230  1.18   thorpej 	for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) {
    231  1.18   thorpej 		if (cisstr[i] >= '0' && cisstr[i] <= '9')
    232  1.18   thorpej 			digit |= cisstr[i] - '0';
    233  1.18   thorpej 		else if (cisstr[i] >= 'a' && cisstr[i] <= 'f')
    234  1.18   thorpej 			digit |= (cisstr[i] - 'a') + 10;
    235  1.18   thorpej 		else if (cisstr[i] >= 'A' && cisstr[i] <= 'F')
    236  1.18   thorpej 			digit |= (cisstr[i] - 'A') + 10;
    237  1.18   thorpej 		else {
    238  1.18   thorpej 			/* Bogus digit!! */
    239  1.18   thorpej 			return (0);
    240   1.2   thorpej 		}
    241  1.18   thorpej 
    242  1.18   thorpej 		/* Compensate for ordering of digits. */
    243  1.18   thorpej 		if (i & 1) {
    244  1.18   thorpej 			myla[i >> 1] = digit;
    245  1.18   thorpej 			digit = 0;
    246  1.18   thorpej 		} else
    247  1.18   thorpej 			digit <<= 4;
    248   1.2   thorpej 	}
    249   1.2   thorpej 
    250   1.7   thorpej 	return (1);
    251   1.7   thorpej }
    252   1.7   thorpej 
    253   1.7   thorpej int
    254   1.2   thorpej sm_pcmcia_enable(sc)
    255   1.2   thorpej 	struct smc91cxx_softc *sc;
    256   1.2   thorpej {
    257   1.2   thorpej 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
    258  1.38   mycroft 	int error;
    259  1.19    itojun 
    260   1.2   thorpej 	/* Establish the interrupt handler. */
    261   1.2   thorpej 	psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr,
    262   1.2   thorpej 	    sc);
    263  1.41   mycroft 	if (!psc->sc_ih)
    264  1.41   mycroft 		return (EIO);
    265  1.37   mycroft 
    266  1.38   mycroft 	error = pcmcia_function_enable(psc->sc_pf);
    267  1.42   mycroft 	if (error) {
    268  1.37   mycroft 		pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
    269  1.42   mycroft 		psc->sc_ih = 0;
    270  1.42   mycroft 	}
    271  1.37   mycroft 
    272  1.38   mycroft 	return (error);
    273   1.2   thorpej }
    274   1.2   thorpej 
    275   1.2   thorpej void
    276   1.2   thorpej sm_pcmcia_disable(sc)
    277   1.2   thorpej 	struct smc91cxx_softc *sc;
    278   1.2   thorpej {
    279   1.2   thorpej 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
    280   1.2   thorpej 
    281  1.37   mycroft 	pcmcia_function_disable(psc->sc_pf);
    282  1.25     pooka 	pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
    283  1.39   mycroft 	psc->sc_ih = 0;
    284   1.2   thorpej }
    285