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aic_pcmcia.c revision 1.13
      1 /*	$NetBSD: aic_pcmcia.c,v 1.13 1999/10/20 15:22:26 enami 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/param.h>
     33 #include <sys/systm.h>
     34 #include <sys/select.h>
     35 #include <sys/device.h>
     36 
     37 #include <machine/cpu.h>
     38 #include <machine/bus.h>
     39 #include <machine/intr.h>
     40 
     41 #include <dev/scsipi/scsipi_all.h>
     42 #include <dev/scsipi/scsipiconf.h>
     43 #include <dev/scsipi/scsi_all.h>
     44 
     45 #include <dev/ic/aic6360var.h>
     46 
     47 #include <dev/pcmcia/pcmciareg.h>
     48 #include <dev/pcmcia/pcmciavar.h>
     49 #include <dev/pcmcia/pcmciadevs.h>
     50 
     51 int	aic_pcmcia_match __P((struct device *, struct cfdata *, void *));
     52 void	aic_pcmcia_attach __P((struct device *, struct device *, void *));
     53 int	aic_pcmcia_detach __P((struct device *, int));
     54 
     55 struct aic_pcmcia_softc {
     56 	struct aic_softc sc_aic;		/* real "aic" softc */
     57 
     58 	/* PCMCIA-specific goo. */
     59 	struct pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o space info */
     60 	int sc_io_window;			/* our i/o window */
     61 	struct pcmcia_function *sc_pf;		/* our PCMCIA function */
     62 	void *sc_ih;				/* interrupt handler */
     63 	int sc_flags;
     64 #define AIC_PCMCIA_ATTACH	0x0001
     65 };
     66 
     67 struct cfattach aic_pcmcia_ca = {
     68 	sizeof(struct aic_pcmcia_softc), aic_pcmcia_match, aic_pcmcia_attach,
     69 	aic_pcmcia_detach, aic_activate
     70 };
     71 
     72 int	aic_pcmcia_enable __P((void *, int));
     73 
     74 struct aic_pcmcia_product {
     75 	u_int32_t	app_vendor;		/* PCMCIA vendor ID */
     76 	u_int32_t	app_product;		/* PCMCIA product ID */
     77 	int		app_expfunc;		/* expected function number */
     78 	const char	*app_name;		/* device name */
     79 } aic_pcmcia_products[] = {
     80 	{ PCMCIA_VENDOR_ADAPTEC,	PCMCIA_PRODUCT_ADAPTEC_APA1460,
     81 	  0,				PCMCIA_STR_ADAPTEC_APA1460 },
     82 	{ PCMCIA_VENDOR_ADAPTEC,	PCMCIA_PRODUCT_ADAPTEC_APA1460A,
     83 	  0,				PCMCIA_STR_ADAPTEC_APA1460A },
     84 	{ PCMCIA_VENDOR_NEWMEDIA,	PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER,
     85 	  0,				PCMCIA_STR_NEWMEDIA_BUSTOASTER },
     86 
     87 	{ 0,				0,
     88 	  0,				NULL },
     89 };
     90 
     91 struct aic_pcmcia_product *aic_pcmcia_lookup __P((struct pcmcia_attach_args *));
     92 
     93 struct aic_pcmcia_product *
     94 aic_pcmcia_lookup(pa)
     95 	struct pcmcia_attach_args *pa;
     96 {
     97 	struct aic_pcmcia_product *app;
     98 
     99 	for (app = aic_pcmcia_products; app->app_name != NULL; app++) {
    100 		if (pa->manufacturer == app->app_vendor &&
    101 		    pa->product == app->app_product &&
    102 		    pa->pf->number == app->app_expfunc)
    103 			return (app);
    104 	}
    105 	return (NULL);
    106 }
    107 
    108 int
    109 aic_pcmcia_match(parent, match, aux)
    110 	struct device *parent;
    111 	struct cfdata *match;
    112 	void *aux;
    113 {
    114 	struct pcmcia_attach_args *pa = aux;
    115 
    116 	if (aic_pcmcia_lookup(pa) != NULL)
    117 		return (1);
    118 	return (0);
    119 }
    120 
    121 void
    122 aic_pcmcia_attach(parent, self, aux)
    123 	struct device *parent, *self;
    124 	void *aux;
    125 {
    126 	struct aic_pcmcia_softc *psc = (void *)self;
    127 	struct aic_softc *sc = &psc->sc_aic;
    128 	struct pcmcia_attach_args *pa = aux;
    129 	struct pcmcia_config_entry *cfe;
    130 	struct pcmcia_function *pf = pa->pf;
    131 	struct aic_pcmcia_product *app;
    132 
    133 	psc->sc_pf = pf;
    134 
    135 	for (cfe = SIMPLEQ_FIRST(&pf->cfe_head); cfe != NULL;
    136 	    cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
    137 		if (cfe->num_memspace != 0 ||
    138 		    cfe->num_iospace != 1)
    139 			continue;
    140 
    141 		/* The bustoaster has a default config as first
    142 		 * entry, we don't want to use that. */
    143 
    144 		if (pa->manufacturer == PCMCIA_VENDOR_NEWMEDIA &&
    145 		    pa->product == PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER &&
    146 		    cfe->iospace[0].start == 0)
    147 			continue;
    148 
    149 		if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
    150 		    cfe->iospace[0].length, 0, &psc->sc_pcioh) == 0)
    151 			break;
    152 	}
    153 
    154 	if (cfe == 0) {
    155 		printf(": can't alloc i/o space\n");
    156 		return;
    157 	}
    158 
    159 	sc->sc_iot = psc->sc_pcioh.iot;
    160 	sc->sc_ioh = psc->sc_pcioh.ioh;
    161 
    162 	/* Enable the card. */
    163 	pcmcia_function_init(pf, cfe);
    164 	if (pcmcia_function_enable(pf)) {
    165 		printf(": function enable failed\n");
    166 		return;
    167 	}
    168 
    169 	/* Map in the io space */
    170 	if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
    171 	    &psc->sc_pcioh, &psc->sc_io_window)) {
    172 		printf(": can't map i/o space\n");
    173 		return;
    174 	}
    175 
    176 	if (!aic_find(sc->sc_iot, sc->sc_ioh)) {
    177 		printf(": unable to detect chip!\n");
    178 		return;
    179 	}
    180 
    181 	app = aic_pcmcia_lookup(pa);
    182 	if (app == NULL) {
    183 		printf("\n");
    184 		panic("aic_pcmcia_attach: impossible");
    185 	}
    186 
    187 	printf(": %s\n", app->app_name);
    188 
    189 	/* We can enable and disable the controller. */
    190 	sc->sc_adapter.scsipi_enable = aic_pcmcia_enable;
    191 
    192 	psc->sc_flags |= AIC_PCMCIA_ATTACH;
    193 	aicattach(sc);
    194 	psc->sc_flags &= ~AIC_PCMCIA_ATTACH;
    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 ((error = aic_detach(self, flags)) != 0)
    206 		return (error);
    207 
    208 	/* Unmap our i/o window and i/o space. */
    209 	pcmcia_io_unmap(sc->sc_pf, sc->sc_io_window);
    210 	pcmcia_io_free(sc->sc_pf, &sc->sc_pcioh);
    211 
    212 	return (0);
    213 }
    214 int
    215 aic_pcmcia_enable(arg, onoff)
    216 	void *arg;
    217 	int onoff;
    218 {
    219 	struct aic_pcmcia_softc *psc = arg;
    220 
    221 	if (onoff) {
    222 		/* Establish the interrupt handler. */
    223 		psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_BIO,
    224 		    aicintr, &psc->sc_aic);
    225 		if (psc->sc_ih == NULL) {
    226 			printf("%s: couldn't establish interrupt handler\n",
    227 			    psc->sc_aic.sc_dev.dv_xname);
    228 			return (EIO);
    229 		}
    230 
    231 		if ((psc->sc_flags & AIC_PCMCIA_ATTACH) == 0) {
    232 			if (pcmcia_function_enable(psc->sc_pf)) {
    233 				printf("%s: couldn't enable PCMCIA function\n",
    234 				    psc->sc_aic.sc_dev.dv_xname);
    235 				pcmcia_intr_disestablish(psc->sc_pf,
    236 				    psc->sc_ih);
    237 				return (EIO);
    238 			}
    239 
    240 			/* Initialize only chip.  */
    241 			aic_init(&psc->sc_aic, 0);
    242 		}
    243 	} else {
    244 		pcmcia_function_disable(psc->sc_pf);
    245 		pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
    246 	}
    247 
    248 	return (0);
    249 }
    250