sys/dev/isapnp/i82365_isapnp.c

   1 /*      $NetBSD: i82365_isapnp.c,v 1.29 2009/09/17 18:09:51 tsutsui 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 1.29 2009/09/17 18:09:51 tsutsui 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 <sys/bus.h>
  43 #include <sys/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(device_t, cfdata_t, void *);
  69 void pcic_isapnp_attach(device_t, device_t, void *);
  70
  71 CFATTACH_DECL(pcic_isapnp, sizeof(struct pcic_isa_softc),
  72     pcic_isapnp_match, pcic_isapnp_attach, NULL, NULL);
  73
  74 static const 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(device_t parent, cfdata_t match, void *aux)
  96 {
  97         int pri, variant;
  98
  99         pri = isapnp_devmatch(aux, &isapnp_pcic_devinfo, &variant);
 100         if (pri && variant > 0)
 101                 pri = 0;
 102         return pri;
 103 }
 104
 105 void
 106 pcic_isapnp_attach(device_t parent, device_t self, void *aux)
 107 {
 108         struct pcic_isa_softc *isc = device_private(self);
 109         struct pcic_softc *sc = &isc->sc_pcic;
 110         struct isapnp_attach_args *ipa = aux;
 111         isa_chipset_tag_t ic = ipa->ipa_ic;
 112         bus_space_tag_t iot = ipa->ipa_iot;
 113         bus_space_tag_t memt = ipa->ipa_memt;
 114         bus_space_handle_t ioh;
 115         bus_space_handle_t memh;
 116         bus_addr_t maddr;
 117         int msize;
 118         int tmp1;
 119
 120         printf("\n");
 121
 122         if (isapnp_config(iot, memt, ipa)) {
 123                 aprint_error_dev(self, "error in region allocation\n");
 124                 return;
 125         }
 126
 127         printf("%s: %s %s", device_xname(self), ipa->ipa_devident,
 128             ipa->ipa_devclass);
 129
 130         /* sanity check that we get at least one hunk of IO space.. */
 131         if (ipa->ipa_nio < 1) {
 132                 aprint_error_dev(self,
 133                     "failed to get one chunk of i/o space\n");
 134                 return;
 135         }
 136
 137         /* Find i/o space. */
 138         ioh = ipa->ipa_io[0].h;
 139
 140         /* sanity check to make sure we have a real PCIC there.. */
 141         bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT);
 142         tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
 143         printf("(ident 0x%x", tmp1);
 144         if (pcic_ident_ok(tmp1)) {
 145                 printf(" OK)");
 146         } else {
 147                 printf(" Not OK)\n");
 148                 return;
 149         }
 150
 151         msize =  0x4000;
 152         if (isa_mem_alloc(memt, msize, msize, 0, 0, &maddr, &memh)) {
 153                 printf(": can't alloc mem space\n");
 154                 return;
 155         }
 156         printf(": using iomem 0x%lx iosiz 0x%x", maddr, msize);
 157         sc->membase = maddr;
 158         sc->subregionmask = (1 << (msize / PCIC_MEM_PAGESIZE)) - 1;
 159
 160         isc->sc_ic = ic;
 161         sc->pct = &pcic_isa_functions;
 162
 163         sc->iot = iot;
 164         sc->ioh = ioh;
 165         sc->memt = memt;
 166         sc->memh = memh;
 167
 168         /*
 169          * allocate an irq.  it will be used by both controllers.  I could
 170          * use two different interrupts, but interrupts are relatively
 171          * scarce, shareable, and for PCIC controllers, very infrequent.
 172          */
 173
 174         if (ipa->ipa_nirq > 0)
 175                 sc->irq = ipa->ipa_irq[0].num;
 176         else
 177                 sc->irq = -1;
 178
 179         printf("\n");
 180
 181         pcic_attach(sc);
 182         pcic_isa_bus_width_probe(sc, iot, ioh, ipa->ipa_io[0].base,
 183             ipa->ipa_io[0].length);
 184         pcic_attach_sockets(sc);
 185         config_interrupts(self, pcic_isa_config_interrupts);
 186 }