sys/dev/cardbus/fwohci_cardbus.c

   1 /*      $NetBSD: fwohci_cardbus.c,v 1.26 2008/07/11 17:50:45 kiyohara Exp $     */
   2
   3 /*-
   4  * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Matt Thomas of 3am Software Foundry.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: fwohci_cardbus.c,v 1.26 2008/07/11 17:50:45 kiyohara Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/socket.h>
  38 #include <sys/device.h>
  39 #include <sys/select.h>
  40
  41 #include <sys/bus.h>
  42
  43 #if defined pciinc
  44 #include <dev/pci/pcidevs.h>
  45 #endif
  46
  47 #include <dev/cardbus/cardbusvar.h>
  48 #include <dev/pci/pcidevs.h>
  49
  50 #include <dev/ieee1394/fw_port.h>
  51 #include <dev/ieee1394/firewire.h>
  52 #include <dev/ieee1394/firewirereg.h>
  53 #include <dev/ieee1394/fwdma.h>
  54 #include <dev/ieee1394/fwohcireg.h>
  55 #include <dev/ieee1394/fwohcivar.h>
  56
  57 struct fwohci_cardbus_softc {
  58         struct fwohci_softc     sc_sc;
  59         cardbus_chipset_tag_t   sc_cc;
  60         cardbus_function_tag_t  sc_cf;
  61         cardbus_devfunc_t       sc_ct;
  62         void                   *sc_ih;
  63 };
  64
  65 static int fwohci_cardbus_match(device_t, cfdata_t, void *);
  66 static void fwohci_cardbus_attach(device_t, device_t, void *);
  67 static int fwohci_cardbus_detach(device_t, int);
  68
  69 CFATTACH_DECL_NEW(fwohci_cardbus, sizeof(struct fwohci_cardbus_softc),
  70     fwohci_cardbus_match, fwohci_cardbus_attach,
  71     fwohci_cardbus_detach, NULL);
  72
  73 #define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI
  74 #define CARDBUS_OHCI_MAP_REGISTER PCI_OHCI_MAP_REGISTER
  75 #define cardbus_devinfo pci_devinfo
  76
  77 static int
  78 fwohci_cardbus_match(device_t parent, cfdata_t match, void *aux)
  79 {
  80         struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
  81
  82         if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS &&
  83             CARDBUS_SUBCLASS(ca->ca_class) ==
  84                 CARDBUS_SUBCLASS_SERIALBUS_FIREWIRE &&
  85             CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI)
  86                 return 1;
  87
  88         return 0;
  89 }
  90
  91 static void
  92 fwohci_cardbus_attach(device_t parent, device_t self, void *aux)
  93 {
  94         struct cardbus_attach_args *ca = aux;
  95         struct fwohci_cardbus_softc *sc = device_private(self);
  96         cardbus_devfunc_t ct = ca->ca_ct;
  97         cardbus_chipset_tag_t cc = ct->ct_cc;
  98         cardbus_function_tag_t cf = ct->ct_cf;
  99         cardbusreg_t csr;
 100         char devinfo[256];
 101
 102         cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo));
 103         aprint_normal(": %s (rev. 0x%02x)\n", devinfo,
 104                CARDBUS_REVISION(ca->ca_class));
 105         aprint_naive("\n");
 106
 107         /* Map I/O registers */
 108         if (Cardbus_mapreg_map(ct, CARDBUS_OHCI_MAP_REGISTER,
 109               CARDBUS_MAPREG_TYPE_MEM, 0,
 110               &sc->sc_sc.bst, &sc->sc_sc.bsh,
 111               NULL, &sc->sc_sc.bssize)) {
 112                 aprint_error_dev(self, "can't map OHCI register space\n");
 113                 return;
 114         }
 115
 116         sc->sc_sc.fc.dev = self;
 117         sc->sc_sc.fc.dmat = ca->ca_dmat;
 118         sc->sc_cc = cc;
 119         sc->sc_cf = cf;
 120         sc->sc_ct = ct;
 121
 122 #if rbus
 123 #else
 124 XXX     (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40);
 125 #endif
 126         (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
 127         (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
 128
 129         /* Disable interrupts, so we don't get any spurious ones. */
 130         OHCI_CSR_WRITE(&sc->sc_sc, FWOHCI_INTMASKCLR, OHCI_INT_EN);
 131
 132         /* Enable the device. */
 133         csr = cardbus_conf_read(cc, cf, ca->ca_tag,
 134             CARDBUS_COMMAND_STATUS_REG);
 135         cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
 136             csr | CARDBUS_COMMAND_MASTER_ENABLE | CARDBUS_COMMAND_MEM_ENABLE);
 137
 138         sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
 139                                            IPL_BIO, fwohci_filt, sc);
 140         if (sc->sc_ih == NULL) {
 141                 aprint_error_dev(self, "couldn't establish interrupt\n");
 142                 return;
 143         }
 144
 145         /* XXX NULL should be replaced by some call to Cardbus coed */
 146         if (fwohci_init(&sc->sc_sc, sc->sc_sc.fc.dev) != 0) {
 147                 cardbus_intr_disestablish(cc, cf, sc->sc_ih);
 148                 sc->sc_ih = NULL;
 149         }
 150 }
 151
 152 int
 153 fwohci_cardbus_detach(device_t self, int flags)
 154 {
 155         struct fwohci_cardbus_softc *sc = device_private(self);
 156         cardbus_devfunc_t ct = sc->sc_ct;
 157         int rv;
 158
 159         rv = fwohci_detach(&sc->sc_sc, flags);
 160
 161         if (rv)
 162                 return (rv);
 163         if (sc->sc_ih != NULL) {
 164                 cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih);
 165                 sc->sc_ih = NULL;
 166         }
 167         if (sc->sc_sc.bssize) {
 168                 Cardbus_mapreg_unmap(ct, CARDBUS_OHCI_MAP_REGISTER,
 169                         sc->sc_sc.bst, sc->sc_sc.bsh,
 170                         sc->sc_sc.bssize);
 171                 sc->sc_sc.bssize = 0;
 172         }
 173         return (0);
 174 }