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i82365_isapnp.c revision 1.21
      1 /*	$NetBSD: i82365_isapnp.c,v 1.21 2006/08/30 02:15:33 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 Bill Sommerfeld.  All rights reserved.
      5  * Copyright (c) 1997 Marc Horowitz.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Marc Horowitz.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>
     34 __KERNEL_RCSID(0, "$NetBSD: i82365_isapnp.c,v 1.21 2006/08/30 02:15:33 christos Exp $");
     35 
     36 #include <sys/param.h>
     37 #include <sys/systm.h>
     38 #include <sys/device.h>
     39 #include <sys/extent.h>
     40 #include <sys/malloc.h>
     41 
     42 #include <machine/bus.h>
     43 #include <machine/intr.h>
     44 
     45 #include <dev/isa/isareg.h>
     46 #include <dev/isa/isavar.h>
     47 
     48 #include <dev/isapnp/isapnpreg.h>
     49 #include <dev/isapnp/isapnpvar.h>
     50 #include <dev/isapnp/isapnpdevs.h>
     51 
     52 #include <dev/pcmcia/pcmciareg.h>
     53 #include <dev/pcmcia/pcmciavar.h>
     54 #include <dev/pcmcia/pcmciachip.h>
     55 
     56 #include <dev/ic/i82365reg.h>
     57 #include <dev/ic/i82365var.h>
     58 #include <dev/isa/i82365_isavar.h>
     59 
     60 #undef DPRINTF
     61 #ifdef PCICISADEBUG
     62 int	pcicisapnp_debug = 0 /* XXX */ ;
     63 #define	DPRINTF(arg) if (pcicisapnp_debug) printf arg;
     64 #else
     65 #define	DPRINTF(arg)
     66 #endif
     67 
     68 int pcic_isapnp_match(struct device *, struct cfdata *, void *);
     69 void	pcic_isapnp_attach(struct device *, struct device *, void *);
     70 
     71 CFATTACH_DECL(pcic_isapnp, sizeof(struct pcic_isa_softc),
     72     pcic_isapnp_match, pcic_isapnp_attach, NULL, NULL);
     73 
     74 static struct pcmcia_chip_functions pcic_isa_functions = {
     75 	pcic_chip_mem_alloc,
     76 	pcic_chip_mem_free,
     77 	pcic_chip_mem_map,
     78 	pcic_chip_mem_unmap,
     79 
     80 	pcic_chip_io_alloc,
     81 	pcic_chip_io_free,
     82 	pcic_chip_io_map,
     83 	pcic_chip_io_unmap,
     84 
     85 	pcic_isa_chip_intr_establish,
     86 	pcic_isa_chip_intr_disestablish,
     87 
     88 	pcic_chip_socket_enable,
     89 	pcic_chip_socket_disable,
     90 	pcic_chip_socket_settype,
     91 	NULL,
     92 };
     93 
     94 int
     95 pcic_isapnp_match(parent, match, aux)
     96 	struct device *parent;
     97 	struct cfdata *match;
     98 	void *aux;
     99 {
    100 	int pri, variant;
    101 
    102 	pri = isapnp_devmatch(aux, &isapnp_pcic_devinfo, &variant);
    103 	if (pri && variant > 0)
    104 		pri = 0;
    105 	return (pri);
    106 }
    107 
    108 void
    109 pcic_isapnp_attach(parent, self, aux)
    110 	struct device *parent, *self;
    111 	void *aux;
    112 {
    113 	struct pcic_softc *sc = device_private(self);
    114 	struct pcic_isa_softc *isc = device_private(self);
    115 	struct isapnp_attach_args *ipa = aux;
    116 	isa_chipset_tag_t ic = ipa->ipa_ic;
    117 	bus_space_tag_t iot = ipa->ipa_iot;
    118 	bus_space_tag_t memt = ipa->ipa_memt;
    119 	bus_space_handle_t ioh;
    120 	bus_space_handle_t memh;
    121 	bus_addr_t maddr;
    122 	int msize;
    123 	int tmp1;
    124 
    125 	printf("\n");
    126 
    127 	if (isapnp_config(iot, memt, ipa)) {
    128 		printf("%s: error in region allocation\n", sc->dev.dv_xname);
    129 		return;
    130 	}
    131 
    132 	printf("%s: %s %s", sc->dev.dv_xname, ipa->ipa_devident,
    133 	    ipa->ipa_devclass);
    134 
    135 	/* sanity check that we get at least one hunk of IO space.. */
    136 	if (ipa->ipa_nio < 1) {
    137 		printf("%s: failed to get one chunk of i/o space\n",
    138 		       sc->dev.dv_xname);
    139 		return;
    140 	}
    141 
    142 	/* Find i/o space. */
    143 	ioh = ipa->ipa_io[0].h;
    144 
    145 	/* sanity check to make sure we have a real PCIC there.. */
    146 	bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT);
    147 	tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
    148 	printf("(ident 0x%x", tmp1);
    149 	if (pcic_ident_ok(tmp1)) {
    150 	  	printf(" OK)");
    151 	} else {
    152 	        printf(" Not OK)\n");
    153 		return;
    154 	}
    155 
    156 	msize =  0x4000;
    157 	if (isa_mem_alloc (memt, msize, msize, 0, 0,
    158 			   &maddr, &memh)) {
    159 		printf(": can't alloc mem space\n");
    160 		return;
    161 	}
    162 	printf(": using iomem 0x%lx iosiz 0x%x", maddr, msize);
    163 	sc->membase = maddr;
    164 	sc->subregionmask = (1 << (msize / PCIC_MEM_PAGESIZE)) - 1;
    165 
    166 	isc->sc_ic = ic;
    167 	sc->pct = (pcmcia_chipset_tag_t) & pcic_isa_functions;
    168 
    169 	sc->iot = iot;
    170 	sc->ioh = ioh;
    171 	sc->memt = memt;
    172 	sc->memh = memh;
    173 
    174 	/*
    175 	 * allocate an irq.  it will be used by both controllers.  I could
    176 	 * use two different interrupts, but interrupts are relatively
    177 	 * scarce, shareable, and for PCIC controllers, very infrequent.
    178 	 */
    179 
    180 	if (ipa->ipa_nirq > 0)
    181 		sc->irq = ipa->ipa_irq[0].num;
    182 	else
    183 		sc->irq = -1;
    184 
    185 	printf("\n");
    186 
    187 	pcic_attach(sc);
    188 	pcic_isa_bus_width_probe(sc, iot, ioh, ipa->ipa_io[0].base,
    189 	    ipa->ipa_io[0].length);
    190 	pcic_attach_sockets(sc);
    191 	config_interrupts(self, pcic_isa_config_interrupts);
    192 }
    193