root/dev/isa/i82365_isapnp.c

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DEFINITIONS

This source file includes following definitions.
  1. pcic_isapnp_match
  2. pcic_isapnp_attach

    1 /*      $OpenBSD: i82365_isapnp.c,v 1.6 2005/01/27 17:03:23 millert Exp $ */
    2 /*      $NetBSD: i82365_isapnp.c,v 1.8 2000/02/23 17:22:11 soren Exp $  */
    3 
    4 /*
    5  * Copyright (c) 1998 Bill Sommerfeld.  All rights reserved.
    6  * Copyright (c) 1997 Marc Horowitz.  All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. All advertising materials mentioning features or use of this software
   17  *    must display the following acknowledgement:
   18  *      This product includes software developed by Marc Horowitz.
   19  * 4. The name of the author may not be used to endorse or promote products
   20  *    derived from this software without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   32  */
   33 
   34 
   35 #include <sys/types.h>
   36 #include <sys/param.h>
   37 #include <sys/systm.h>
   38 #include <sys/kernel.h>
   39 #include <sys/device.h>
   40 #include <sys/extent.h>
   41 #include <sys/malloc.h>
   42 
   43 #include <machine/bus.h>
   44 #include <machine/intr.h>
   45 
   46 #include <dev/isa/isareg.h>
   47 #include <dev/isa/isavar.h>
   48 
   49 #include <dev/isa/isapnpreg.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(struct device *, void *, void *);
   68 void    pcic_isapnp_attach(struct device *, struct device *, void *);
   69 
   70 struct cfattach pcic_isapnp_ca = {
   71         sizeof(struct pcic_softc), pcic_isapnp_match, pcic_isapnp_attach
   72 };
   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         pcic_isa_chip_intr_string,
   88 
   89         pcic_chip_socket_enable,
   90         pcic_chip_socket_disable,
   91 };
   92 
   93 int
   94 pcic_isapnp_match(parent, match, aux)
   95         struct device *parent;
   96         void *match;
   97         void *aux;
   98 {
   99         return (1);
  100 }
  101 
  102 void
  103 pcic_isapnp_attach(parent, self, aux)
  104         struct device *parent, *self;
  105         void *aux;
  106 {
  107         struct pcic_softc *sc = (void *) self;
  108         struct pcic_handle *h;
  109         struct isa_attach_args *ipa = aux;
  110         isa_chipset_tag_t ic = ipa->ia_ic;
  111         bus_space_tag_t iot = ipa->ia_iot;
  112         bus_space_tag_t memt = ipa->ia_memt;
  113         bus_space_handle_t ioh;
  114         bus_space_handle_t memh;
  115         int tmp1, i;
  116 
  117         printf("\n");
  118 
  119         if (isapnp_config(iot, memt, ipa)) {
  120                 printf("%s: error in region allocation\n", sc->dev.dv_xname);
  121                 return;
  122         }
  123 
  124         printf("%s: %s %s", sc->dev.dv_xname, ipa->ipa_devident,
  125             ipa->ipa_devclass);
  126 
  127         /* sanity check that we get at least one hunk of IO space.. */
  128         if (ipa->ipa_nio < 1) {
  129                 printf("%s: failed to get one chunk of i/o space\n",
  130                        sc->dev.dv_xname);
  131                 return;
  132         }
  133 
  134         /* Find i/o space. */
  135         ioh = ipa->ipa_io[0].h;
  136 
  137         /* sanity check to make sure we have a real PCIC there.. */
  138         bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT);
  139         tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
  140         printf("(ident 0x%x", tmp1);
  141         if (pcic_ident_ok(tmp1)) {
  142                 printf(" OK)");
  143         } else {
  144                 printf(" Not OK)\n");
  145                 return;
  146         }
  147 
  148         if (bus_space_map(memt, ipa->ia_maddr, ipa->ia_msize, 0, &memh)) {
  149                 printf(": can't map mem space\n");
  150                 return;
  151         }
  152 
  153         sc->membase = ipa->ia_maddr;
  154         sc->subregionmask = (1 << (ipa->ia_msize / PCIC_MEM_PAGESIZE)) - 1;
  155 
  156         sc->intr_est = ic;
  157         sc->pct = (pcmcia_chipset_tag_t) & pcic_isa_functions;
  158 
  159         sc->iot = iot;
  160         sc->ioh = ioh;
  161         sc->memt = memt;
  162         sc->memh = memh;
  163 
  164         printf("\n");
  165 
  166         pcic_attach(sc);
  167         pcic_isa_bus_width_probe(sc, iot, ioh, ipa->ipa_io[0].base,
  168             ipa->ipa_io[0].length);
  169         pcic_attach_sockets(sc);
  170 
  171         /*
  172          * allocate an irq.  it will be used by both controllers.  I could
  173          * use two different interrupts, but interrupts are relatively
  174          * scarce, shareable, and for PCIC controllers, very infrequent.
  175          */
  176 
  177         if (ipa->ipa_nirq > 0)
  178                 sc->irq = ipa->ipa_irq[0].num;
  179         else
  180                 sc->irq = IRQUNK;
  181 
  182         if (sc->irq == IRQUNK)
  183                 sc->irq = pcic_intr_find(sc, IST_EDGE);
  184 
  185         if (sc->irq) {
  186                 sc->ih = isa_intr_establish(ic, sc->irq, IST_EDGE, IPL_TTY,
  187                     pcic_intr, sc, sc->dev.dv_xname);
  188                 if (!sc->ih)
  189                         sc->irq = 0;
  190         }
  191 
  192         if (sc->irq) {
  193                 printf("%s: irq %d, ", sc->dev.dv_xname, sc->irq);
  194 
  195                 /* Set up the pcic to interrupt on card detect. */
  196                 for (i = 0; i < PCIC_NSLOTS; i++) {
  197                         h = &sc->handle[i];
  198                         if (h->flags & PCIC_FLAG_SOCKETP) {
  199                                 pcic_write(h, PCIC_CSC_INTR,
  200                                     (sc->irq << PCIC_CSC_INTR_IRQ_SHIFT) |
  201                                     PCIC_CSC_INTR_CD_ENABLE);
  202                                 powerhook_establish(pcic_power, h);
  203                         }
  204                 }
  205         } else
  206                 printf("%s: no irq, ", sc->dev.dv_xname);
  207 
  208         printf("polling enabled\n");
  209         if (sc->poll_established == 0) {
  210                 timeout_set(&sc->poll_timeout, pcic_poll_intr, sc);
  211                 timeout_add(&sc->poll_timeout, hz / 2);
  212                 sc->poll_established = 1;
  213         }
  214 }

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