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      1 /*	$NetBSD: i82365_isapnp.c,v 1.34 2022/09/25 17:19:05 thorpej 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 1.34 2022/09/25 17:19:05 thorpej Exp $");
     35 
     36 #include <sys/param.h>
     37 #include <sys/systm.h>
     38 #include <sys/device.h>
     39 #include <sys/extent.h>
     40 
     41 #include <sys/bus.h>
     42 #include <sys/intr.h>
     43 
     44 #include <dev/isa/isareg.h>
     45 #include <dev/isa/isavar.h>
     46 
     47 #include <dev/isapnp/isapnpreg.h>
     48 #include <dev/isapnp/isapnpvar.h>
     49 #include <dev/isapnp/isapnpdevs.h>
     50 
     51 #include <dev/pcmcia/pcmciareg.h>
     52 #include <dev/pcmcia/pcmciavar.h>
     53 #include <dev/pcmcia/pcmciachip.h>
     54 
     55 #include <dev/ic/i82365reg.h>
     56 #include <dev/ic/i82365var.h>
     57 #include <dev/isa/i82365_isavar.h>
     58 
     59 #undef DPRINTF
     60 #ifdef PCICISADEBUG
     61 int	pcicisapnp_debug = 0 /* XXX */ ;
     62 #define	DPRINTF(arg) if (pcicisapnp_debug) printf arg;
     63 #else
     64 #define	DPRINTF(arg)
     65 #endif
     66 
     67 int pcic_isapnp_match(device_t, cfdata_t, void *);
     68 void pcic_isapnp_attach(device_t, device_t, void *);
     69 
     70 CFATTACH_DECL_NEW(pcic_isapnp, sizeof(struct pcic_isa_softc),
     71     pcic_isapnp_match, pcic_isapnp_attach, NULL, NULL);
     72 
     73 static const struct pcmcia_chip_functions pcic_isa_functions = {
     74 	pcic_chip_mem_alloc,
     75 	pcic_chip_mem_free,
     76 	pcic_chip_mem_map,
     77 	pcic_chip_mem_unmap,
     78 
     79 	pcic_chip_io_alloc,
     80 	pcic_chip_io_free,
     81 	pcic_chip_io_map,
     82 	pcic_chip_io_unmap,
     83 
     84 	pcic_isa_chip_intr_establish,
     85 	pcic_isa_chip_intr_disestablish,
     86 
     87 	pcic_chip_socket_enable,
     88 	pcic_chip_socket_disable,
     89 	pcic_chip_socket_settype,
     90 	NULL,
     91 };
     92 
     93 int
     94 pcic_isapnp_match(device_t parent, cfdata_t match, void *aux)
     95 {
     96 	int pri, variant;
     97 
     98 	pri = isapnp_devmatch(aux, &isapnp_pcic_devinfo, &variant);
     99 	if (pri && variant > 0)
    100 		pri = 0;
    101 	return pri;
    102 }
    103 
    104 void
    105 pcic_isapnp_attach(device_t parent, device_t self, void *aux)
    106 {
    107 	struct pcic_isa_softc *isc = device_private(self);
    108 	struct pcic_softc *sc = &isc->sc_pcic;
    109 	struct isapnp_attach_args *ipa = aux;
    110 	isa_chipset_tag_t ic = ipa->ipa_ic;
    111 	bus_space_tag_t iot = ipa->ipa_iot;
    112 	bus_space_tag_t memt = ipa->ipa_memt;
    113 	bus_space_handle_t ioh;
    114 	bus_space_handle_t memh;
    115 	bus_addr_t maddr;
    116 	int msize;
    117 	int tmp1;
    118 
    119 	sc->dev = self;
    120 
    121 	aprint_naive("\n");
    122 	aprint_normal("\n");
    123 
    124 	if (isapnp_config(iot, memt, ipa)) {
    125 		aprint_error_dev(self, "error in region allocation\n");
    126 		return;
    127 	}
    128 
    129 	aprint_normal_dev(self, "%s %s", ipa->ipa_devident, ipa->ipa_devclass);
    130 
    131 	/* sanity check that we get at least one hunk of IO space.. */
    132 	if (ipa->ipa_nio < 1) {
    133 		aprint_error_dev(self,
    134 		    "failed to get one chunk of i/o space\n");
    135 		return;
    136 	}
    137 
    138 	/* Find i/o space. */
    139 	ioh = ipa->ipa_io[0].h;
    140 
    141 	/* sanity check to make sure we have a real PCIC there.. */
    142 	bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT);
    143 	tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
    144 	aprint_normal("(ident 0x%x", tmp1);
    145 	if (pcic_ident_ok(tmp1)) {
    146 	  	aprint_normal(" OK)");
    147 	} else {
    148 	        aprint_error(" Not OK)\n");
    149 		return;
    150 	}
    151 
    152 	msize =  0x4000;
    153 	if (isa_mem_alloc(memt, msize, msize, 0, 0, &maddr, &memh)) {
    154 		aprint_error(": can't alloc mem space\n");
    155 		return;
    156 	}
    157 	aprint_normal(": using iomem %#" PRIxPADDR " iosiz %#x", maddr, msize);
    158 	sc->membase = maddr;
    159 	sc->subregionmask = (1 << (msize / PCIC_MEM_PAGESIZE)) - 1;
    160 
    161 	isc->sc_ic = ic;
    162 	sc->pct = &pcic_isa_functions;
    163 
    164 	sc->iot = iot;
    165 	sc->ioh = ioh;
    166 	sc->memt = memt;
    167 	sc->memh = memh;
    168 
    169 	/*
    170 	 * allocate an irq.  it will be used by both controllers.  I could
    171 	 * use two different interrupts, but interrupts are relatively
    172 	 * scarce, shareable, and for PCIC controllers, very infrequent.
    173 	 */
    174 
    175 	if (ipa->ipa_nirq > 0)
    176 		sc->irq = ipa->ipa_irq[0].num;
    177 	else
    178 		sc->irq = -1;
    179 
    180 	aprint_normal("\n");
    181 
    182 	pcic_attach(sc);
    183 	pcic_isa_bus_width_probe(sc, iot, ioh, ipa->ipa_io[0].base,
    184 	    ipa->ipa_io[0].length);
    185 	pcic_attach_sockets(sc);
    186 	config_interrupts(self, pcic_isa_config_interrupts);
    187 }
    188