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      1 /*	$NetBSD: spc_pcmcia.c,v 1.21 2009/11/12 20:14:04 dyoung Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000, 2004 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Charles M. Hannum.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: spc_pcmcia.c,v 1.21 2009/11/12 20:14:04 dyoung Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/device.h>
     38 #include <sys/buf.h>
     39 
     40 #include <sys/bus.h>
     41 #include <sys/intr.h>
     42 
     43 #include <dev/scsipi/scsi_all.h>
     44 #include <dev/scsipi/scsipi_all.h>
     45 #include <dev/scsipi/scsiconf.h>
     46 
     47 #include <dev/pcmcia/pcmciareg.h>
     48 #include <dev/pcmcia/pcmciavar.h>
     49 #include <dev/pcmcia/pcmciadevs.h>
     50 
     51 #include <dev/ic/mb89352var.h>
     52 
     53 struct spc_pcmcia_softc {
     54 	struct spc_softc	sc_spc;		/* glue to MI code */
     55 
     56 	/* PCMCIA-specific goo. */
     57 	struct pcmcia_function *sc_pf;		/* our PCMCIA function */
     58 	void *sc_ih;				/* interrupt handler */
     59 
     60 	int sc_state;
     61 #define	SPC_PCMCIA_ATTACHED	3
     62 };
     63 
     64 static int	spc_pcmcia_match(device_t, cfdata_t, void *);
     65 static int	spc_pcmcia_validate_config(struct pcmcia_config_entry *);
     66 static void	spc_pcmcia_attach(device_t, device_t, void *);
     67 static int	spc_pcmcia_detach(device_t, int);
     68 static int	spc_pcmcia_enable(device_t, int);
     69 
     70 CFATTACH_DECL2_NEW(spc_pcmcia, sizeof(struct spc_pcmcia_softc),
     71     spc_pcmcia_match, spc_pcmcia_attach, spc_pcmcia_detach, NULL, NULL,
     72     spc_childdet);
     73 
     74 static const struct pcmcia_product spc_pcmcia_products[] = {
     75 	{ PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_SCSI600,
     76 	  PCMCIA_CIS_FUJITSU_SCSI600 },
     77 };
     78 static const size_t spc_pcmcia_nproducts = __arraycount(spc_pcmcia_products);
     79 
     80 int
     81 spc_pcmcia_match(device_t parent, cfdata_t cf, void *aux)
     82 {
     83 	struct pcmcia_attach_args *pa = aux;
     84 
     85 	if (pcmcia_product_lookup(pa, spc_pcmcia_products, spc_pcmcia_nproducts,
     86 	    sizeof(spc_pcmcia_products[0]), NULL))
     87 		return 1;
     88 	return 0;
     89 }
     90 
     91 int
     92 spc_pcmcia_validate_config(struct pcmcia_config_entry *cfe)
     93 {
     94 
     95 	if (cfe->iftype != PCMCIA_IFTYPE_IO ||
     96 	    cfe->num_memspace != 0 ||
     97 	    cfe->num_iospace != 1)
     98 		return EINVAL;
     99 	return 0;
    100 }
    101 
    102 void
    103 spc_pcmcia_attach(device_t parent, device_t self, void *aux)
    104 {
    105 	struct spc_pcmcia_softc *sc = device_private(self);
    106 	struct spc_softc *spc = &sc->sc_spc;
    107 	struct pcmcia_attach_args *pa = aux;
    108 	struct pcmcia_config_entry *cfe;
    109 	struct pcmcia_function *pf = pa->pf;
    110 	int error;
    111 
    112 	spc->sc_dev = self;
    113 	sc->sc_pf = pf;
    114 
    115 	error = pcmcia_function_configure(pf, spc_pcmcia_validate_config);
    116 	if (error) {
    117 		aprint_error_dev(self, "configure failed, error=%d\n", error);
    118 		return;
    119 	}
    120 
    121 	cfe = pf->cfe;
    122 	spc->sc_iot = cfe->iospace[0].handle.iot;
    123 	spc->sc_ioh = cfe->iospace[0].handle.ioh;
    124 
    125 	error = spc_pcmcia_enable(self, 1);
    126 	if (error)
    127 		goto fail;
    128 
    129 	spc->sc_initiator = 7; /* XXX */
    130 	spc->sc_adapter.adapt_enable = spc_pcmcia_enable;
    131 	spc->sc_adapter.adapt_refcnt = 1;
    132 
    133 	/*
    134 	 *  Initialize nca board itself.
    135 	 */
    136 	spc_attach(spc);
    137 	scsipi_adapter_delref(&spc->sc_adapter);
    138 	sc->sc_state = SPC_PCMCIA_ATTACHED;
    139 	return;
    140 
    141  fail:
    142 	pcmcia_function_unconfigure(pf);
    143 }
    144 
    145 int
    146 spc_pcmcia_detach(device_t self, int flags)
    147 {
    148 	struct spc_pcmcia_softc *sc = device_private(self);
    149 	int error;
    150 
    151 	if (sc->sc_state != SPC_PCMCIA_ATTACHED)
    152 		return 0;
    153 
    154 	error = spc_detach(self, flags);
    155 	if (error)
    156 		return error;
    157 
    158 	pcmcia_function_unconfigure(sc->sc_pf);
    159 
    160 	return 0;
    161 }
    162 
    163 int
    164 spc_pcmcia_enable(device_t self, int onoff)
    165 {
    166 	struct spc_pcmcia_softc *sc = device_private(self);
    167 	int error;
    168 
    169 	if (onoff) {
    170 		/* Establish the interrupt handler. */
    171 		sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
    172 		    spc_intr, &sc->sc_spc);
    173 		if (!sc->sc_ih)
    174 			return EIO;
    175 
    176 		error = pcmcia_function_enable(sc->sc_pf);
    177 		if (error) {
    178 			pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
    179 			sc->sc_ih = 0;
    180 			return error;
    181 		}
    182 
    183 		/* Initialize only chip.  */
    184 		spc_init(&sc->sc_spc, 0);
    185 	} else {
    186 		pcmcia_function_disable(sc->sc_pf);
    187 		pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
    188 		sc->sc_ih = 0;
    189 	}
    190 
    191 	return 0;
    192 }
    193