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aic_pcmcia.c revision 1.26
      1 /*	$NetBSD: aic_pcmcia.c,v 1.26 2004/08/10 06:23:50 mycroft Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997 Marc Horowitz.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Marc Horowitz.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: aic_pcmcia.c,v 1.26 2004/08/10 06:23:50 mycroft Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/select.h>
     38 #include <sys/device.h>
     39 
     40 #include <machine/cpu.h>
     41 #include <machine/bus.h>
     42 #include <machine/intr.h>
     43 
     44 #include <dev/scsipi/scsipi_all.h>
     45 #include <dev/scsipi/scsipiconf.h>
     46 #include <dev/scsipi/scsi_all.h>
     47 
     48 #include <dev/ic/aic6360var.h>
     49 
     50 #include <dev/pcmcia/pcmciareg.h>
     51 #include <dev/pcmcia/pcmciavar.h>
     52 #include <dev/pcmcia/pcmciadevs.h>
     53 
     54 struct aic_pcmcia_softc {
     55 	struct aic_softc sc_aic;		/* real "aic" softc */
     56 
     57 	/* PCMCIA-specific goo. */
     58 	struct pcmcia_function *sc_pf;		/* our PCMCIA function */
     59 	void *sc_ih;				/* interrupt handler */
     60 
     61 	int sc_state;
     62 #define AIC_PCMCIA_ATTACH1	1
     63 #define	AIC_PCMCIA_ATTACH2	2
     64 #define	AIC_PCMCIA_ATTACHED	3
     65 };
     66 
     67 int	aic_pcmcia_match __P((struct device *, struct cfdata *, void *));
     68 int	aic_pcmcia_validate_config __P((struct pcmcia_config_entry *));
     69 void	aic_pcmcia_attach __P((struct device *, struct device *, void *));
     70 int	aic_pcmcia_detach __P((struct device *, int));
     71 int	aic_pcmcia_enable __P((struct device *, int));
     72 
     73 CFATTACH_DECL(aic_pcmcia, sizeof(struct aic_pcmcia_softc),
     74     aic_pcmcia_match, aic_pcmcia_attach, aic_pcmcia_detach, aic_activate);
     75 
     76 const struct pcmcia_product aic_pcmcia_products[] = {
     77 	{ "",	PCMCIA_VENDOR_ADAPTEC,
     78 	  PCMCIA_PRODUCT_ADAPTEC_APA1460,	0 },
     79 
     80 	{ "",	PCMCIA_VENDOR_ADAPTEC,
     81 	  PCMCIA_PRODUCT_ADAPTEC_APA1460A,	0 },
     82 
     83 	{ "",	PCMCIA_VENDOR_NEWMEDIA,
     84 	  PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER,	0 },
     85 
     86 	{ NULL }
     87 };
     88 
     89 int
     90 aic_pcmcia_match(parent, match, aux)
     91 	struct device *parent;
     92 	struct cfdata *match;
     93 	void *aux;
     94 {
     95 	struct pcmcia_attach_args *pa = aux;
     96 
     97 	if (pcmcia_product_lookup(pa, aic_pcmcia_products,
     98 	    sizeof aic_pcmcia_products[0], NULL) != NULL)
     99 		return (1);
    100 	return (0);
    101 }
    102 
    103 int
    104 aic_pcmcia_validate_config(cfe)
    105 	struct pcmcia_config_entry *cfe;
    106 {
    107 	if (cfe->iftype != PCMCIA_IFTYPE_IO ||
    108 	    cfe->num_memspace != 0 ||
    109 	    cfe->num_iospace != 1)
    110 		return (EINVAL);
    111 	return (0);
    112 }
    113 
    114 void
    115 aic_pcmcia_attach(parent, self, aux)
    116 	struct device *parent, *self;
    117 	void *aux;
    118 {
    119 	struct aic_pcmcia_softc *psc = (void *)self;
    120 	struct aic_softc *sc = &psc->sc_aic;
    121 	struct pcmcia_attach_args *pa = aux;
    122 	struct pcmcia_config_entry *cfe;
    123 	struct pcmcia_function *pf = pa->pf;
    124 	int error;
    125 
    126 	aprint_normal("\n");
    127 	psc->sc_pf = pf;
    128 
    129 	error = pcmcia_function_configure(pf, aic_pcmcia_validate_config);
    130 	if (error) {
    131 		aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
    132 		    error);
    133 		return;
    134 	}
    135 
    136 	cfe = pf->cfe;
    137 	sc->sc_iot = cfe->iospace[0].handle.iot;
    138 	sc->sc_ioh = cfe->iospace[0].handle.ioh;
    139 
    140 	error = aic_pcmcia_enable(self, 1);
    141 	if (error) {
    142 		aprint_error("%s: enable failed, error=%d\n", self->dv_xname,
    143 		    error);
    144 		goto fail;
    145 	}
    146 
    147 	if (!aic_find(sc->sc_iot, sc->sc_ioh)) {
    148 		aprint_error("%s: unable to detect chip!\n", self->dv_xname);
    149 		goto fail2;
    150 	}
    151 
    152 	/* We can enable and disable the controller. */
    153 	sc->sc_adapter.adapt_enable = aic_pcmcia_enable;
    154 
    155 	psc->sc_state = AIC_PCMCIA_ATTACH1;
    156 	aicattach(sc);
    157 	if (psc->sc_state == AIC_PCMCIA_ATTACH1)
    158 		aic_pcmcia_enable(self, 0);
    159 	psc->sc_state = AIC_PCMCIA_ATTACHED;
    160 	return;
    161 
    162 fail2:
    163 	aic_pcmcia_enable(self, 0);
    164 fail:
    165 	pcmcia_function_unconfigure(pf);
    166 }
    167 
    168 int
    169 aic_pcmcia_detach(self, flags)
    170 	struct device *self;
    171 	int flags;
    172 {
    173 	struct aic_pcmcia_softc *sc = (void *)self;
    174 	int error;
    175 
    176 	if (sc->sc_state != AIC_PCMCIA_ATTACHED)
    177 		return (0);
    178 
    179 	error = aic_detach(self, flags);
    180 	if (error)
    181 		return (error);
    182 
    183 	pcmcia_function_unconfigure(sc->sc_pf);
    184 
    185 	return (0);
    186 }
    187 
    188 int
    189 aic_pcmcia_enable(self, onoff)
    190 	struct device *self;
    191 	int onoff;
    192 {
    193 	struct aic_pcmcia_softc *sc = (void *)self;
    194 
    195 	if (onoff) {
    196 		/*
    197 		 * If attach is in progress, we already have the device
    198 		 * powered up.
    199 		 */
    200 		if (sc->sc_state == AIC_PCMCIA_ATTACH1) {
    201 			sc->sc_state = AIC_PCMCIA_ATTACH2;
    202 		} else {
    203 			/* Establish the interrupt handler. */
    204 			sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
    205 			    aicintr, &sc->sc_aic);
    206 			if (sc->sc_ih == NULL) {
    207 				printf("%s: couldn't establish interrupt handler\n",
    208 				    sc->sc_aic.sc_dev.dv_xname);
    209 				return (EIO);
    210 			}
    211 
    212 			if (pcmcia_function_enable(sc->sc_pf)) {
    213 				printf("%s: couldn't enable PCMCIA function\n",
    214 				    sc->sc_aic.sc_dev.dv_xname);
    215 				pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
    216 				return (EIO);
    217 			}
    218 
    219 			/* Initialize only chip.  */
    220 			aic_init(&sc->sc_aic, 0);
    221 		}
    222 	} else {
    223 		pcmcia_function_disable(sc->sc_pf);
    224 		pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
    225 		sc->sc_ih = 0;
    226 	}
    227 
    228 	return (0);
    229 }
    230