Home | History | Annotate | Line # | Download | only in pcmcia
aic_pcmcia.c revision 1.19
      1 /*	$NetBSD: aic_pcmcia.c,v 1.19 2002/06/01 23:51:00 lukem 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 1.19 2002/06/01 23:51:00 lukem 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 int	aic_pcmcia_match __P((struct device *, struct cfdata *, void *));
     55 void	aic_pcmcia_attach __P((struct device *, struct device *, void *));
     56 int	aic_pcmcia_detach __P((struct device *, int));
     57 
     58 struct aic_pcmcia_softc {
     59 	struct aic_softc sc_aic;		/* real "aic" softc */
     60 
     61 	/* PCMCIA-specific goo. */
     62 	struct pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o space info */
     63 	int sc_io_window;			/* our i/o window */
     64 	struct pcmcia_function *sc_pf;		/* our PCMCIA function */
     65 	void *sc_ih;				/* interrupt handler */
     66 	int sc_flags;
     67 #define AIC_PCMCIA_ATTACH	0x0001		/* attach is in progress */
     68 };
     69 
     70 struct cfattach aic_pcmcia_ca = {
     71 	sizeof(struct aic_pcmcia_softc), aic_pcmcia_match, aic_pcmcia_attach,
     72 	aic_pcmcia_detach, aic_activate
     73 };
     74 
     75 int	aic_pcmcia_enable __P((struct device *, int));
     76 
     77 const struct pcmcia_product aic_pcmcia_products[] = {
     78 	{ PCMCIA_STR_ADAPTEC_APA1460,		PCMCIA_VENDOR_ADAPTEC,
     79 	  PCMCIA_PRODUCT_ADAPTEC_APA1460,	0 },
     80 
     81 	{ PCMCIA_STR_ADAPTEC_APA1460A,		PCMCIA_VENDOR_ADAPTEC,
     82 	  PCMCIA_PRODUCT_ADAPTEC_APA1460A,	0 },
     83 
     84 	{ PCMCIA_STR_NEWMEDIA_BUSTOASTER,	PCMCIA_VENDOR_NEWMEDIA,
     85 	  PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER,	0 },
     86 
     87 	{ NULL }
     88 };
     89 
     90 int
     91 aic_pcmcia_match(parent, match, aux)
     92 	struct device *parent;
     93 	struct cfdata *match;
     94 	void *aux;
     95 {
     96 	struct pcmcia_attach_args *pa = aux;
     97 
     98         if (pcmcia_product_lookup(pa, aic_pcmcia_products,
     99             sizeof aic_pcmcia_products[0], NULL) != NULL)
    100 		return (1);
    101 	return (0);
    102 }
    103 
    104 void
    105 aic_pcmcia_attach(parent, self, aux)
    106 	struct device *parent, *self;
    107 	void *aux;
    108 {
    109 	struct aic_pcmcia_softc *psc = (void *)self;
    110 	struct aic_softc *sc = &psc->sc_aic;
    111 	struct pcmcia_attach_args *pa = aux;
    112 	struct pcmcia_config_entry *cfe;
    113 	struct pcmcia_function *pf = pa->pf;
    114 	const struct pcmcia_product *pp;
    115 
    116 	psc->sc_pf = pf;
    117 
    118 	SIMPLEQ_FOREACH(cfe, &pf->cfe_head, cfe_list) {
    119 		if (cfe->num_memspace != 0 ||
    120 		    cfe->num_iospace != 1)
    121 			continue;
    122 
    123 		/*
    124 		 * The bustoaster has a default config as first
    125 		 * entry, we don't want to use that.
    126 		 */
    127 		if (pa->manufacturer == PCMCIA_VENDOR_NEWMEDIA &&
    128 		    pa->product == PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER &&
    129 		    cfe->iospace[0].start == 0)
    130 			continue;
    131 
    132 		if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
    133 		    cfe->iospace[0].length, 0, &psc->sc_pcioh) == 0)
    134 			break;
    135 	}
    136 
    137 	if (cfe == 0) {
    138 		printf(": can't alloc i/o space\n");
    139 		goto no_config_entry;
    140 	}
    141 
    142 	sc->sc_iot = psc->sc_pcioh.iot;
    143 	sc->sc_ioh = psc->sc_pcioh.ioh;
    144 
    145 	/* Enable the card. */
    146 	pcmcia_function_init(pf, cfe);
    147 	if (pcmcia_function_enable(pf)) {
    148 		printf(": function enable failed\n");
    149 		goto enable_failed;
    150 	}
    151 
    152 	/* Map in the io space */
    153 	if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
    154 	    &psc->sc_pcioh, &psc->sc_io_window)) {
    155 		printf(": can't map i/o space\n");
    156 		goto iomap_failed;
    157 	}
    158 
    159 	if (!aic_find(sc->sc_iot, sc->sc_ioh)) {
    160 		printf(": unable to detect chip!\n");
    161 		goto no_aic_found;
    162 	}
    163 
    164 	pp = pcmcia_product_lookup(pa, aic_pcmcia_products,
    165 	    sizeof aic_pcmcia_products[0], NULL);
    166 	if (pp == NULL) {
    167 		printf("\n");
    168 		panic("aic_pcmcia_attach: impossible");
    169 	}
    170 
    171 	printf(": %s\n", pp->pp_name);
    172 
    173 	/* We can enable and disable the controller. */
    174 	sc->sc_adapter.adapt_enable = aic_pcmcia_enable;
    175 
    176 	psc->sc_flags |= AIC_PCMCIA_ATTACH;
    177 	aicattach(sc);
    178 	psc->sc_flags &= ~AIC_PCMCIA_ATTACH;
    179 	return;
    180 
    181  no_aic_found:
    182 	/* Unmap our i/o window. */
    183 	pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
    184 
    185  iomap_failed:
    186 	/* Disable the device. */
    187 	pcmcia_function_disable(psc->sc_pf);
    188 
    189  enable_failed:
    190 	/* Unmap our i/o space. */
    191 	pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
    192 
    193  no_config_entry:
    194 	psc->sc_io_window = -1;
    195 }
    196 
    197 int
    198 aic_pcmcia_detach(self, flags)
    199 	struct device *self;
    200 	int flags;
    201 {
    202 	struct aic_pcmcia_softc *sc = (struct aic_pcmcia_softc *)self;
    203 	int error;
    204 
    205 	if (sc->sc_io_window == -1)
    206 		/* Nothing to detach. */
    207 		return (0);
    208 
    209 	if ((error = aic_detach(self, flags)) != 0)
    210 		return (error);
    211 
    212 	/* Unmap our i/o window and i/o space. */
    213 	pcmcia_io_unmap(sc->sc_pf, sc->sc_io_window);
    214 	pcmcia_io_free(sc->sc_pf, &sc->sc_pcioh);
    215 
    216 	return (0);
    217 }
    218 int
    219 aic_pcmcia_enable(self, onoff)
    220 	struct device *self;
    221 	int onoff;
    222 {
    223 	struct aic_pcmcia_softc *psc = (void *)self;
    224 
    225 	if (onoff) {
    226 		/* Establish the interrupt handler. */
    227 		psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_BIO,
    228 		    aicintr, &psc->sc_aic);
    229 		if (psc->sc_ih == NULL) {
    230 			printf("%s: couldn't establish interrupt handler\n",
    231 			    psc->sc_aic.sc_dev.dv_xname);
    232 			return (EIO);
    233 		}
    234 
    235 		/*
    236 		 * If attach is in progress, we know that card power is
    237 		 * enabled and chip will be initialized later.
    238 		 * Otherwise, enable and reset now.
    239 		 */
    240 		if ((psc->sc_flags & AIC_PCMCIA_ATTACH) == 0) {
    241 			if (pcmcia_function_enable(psc->sc_pf)) {
    242 				printf("%s: couldn't enable PCMCIA function\n",
    243 				    psc->sc_aic.sc_dev.dv_xname);
    244 				pcmcia_intr_disestablish(psc->sc_pf,
    245 				    psc->sc_ih);
    246 				return (EIO);
    247 			}
    248 
    249 			/* Initialize only chip.  */
    250 			aic_init(&psc->sc_aic, 0);
    251 		}
    252 	} else {
    253 		pcmcia_function_disable(psc->sc_pf);
    254 		pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
    255 	}
    256 
    257 	return (0);
    258 }
    259