FreeBSD/Linux Kernel Cross Reference
sys/dev/cardbus/fwohci_cardbus.c

     /*      $NetBSD: fwohci_cardbus.c,v 1.10 2003/03/22 11:32:38 nakayama Exp $     */
     
     /*-
      * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Matt Thomas of 3am Software Foundry.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: fwohci_cardbus.c,v 1.10 2003/03/22 11:32:38 nakayama Exp $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/socket.h>
    #include <sys/device.h>
    #include <sys/select.h>
    
    #include <machine/bus.h>
    
    #if defined pciinc
    #include <dev/pci/pcidevs.h>
    #endif
    
    #include <dev/cardbus/cardbusvar.h>
    #include <dev/cardbus/cardbusdevs.h>
    
    #include <dev/ieee1394/ieee1394reg.h>
    #include <dev/ieee1394/ieee1394var.h>
    #include <dev/ieee1394/fwohcireg.h>
    #include <dev/ieee1394/fwohcivar.h>
    
    struct fwohci_cardbus_softc {
            struct fwohci_softc     sc_sc;
            cardbus_chipset_tag_t   sc_cc;
            cardbus_function_tag_t  sc_cf;
            cardbus_devfunc_t       sc_ct;
            void                   *sc_ih;
    };
    
    static int fwohci_cardbus_match(struct device *, struct cfdata *, void *);
    static void fwohci_cardbus_attach(struct device *, struct device *, void *);
    static int fwohci_cardbus_detach(struct device *, int);
    
    CFATTACH_DECL(fwohci_cardbus, sizeof(struct fwohci_cardbus_softc),
        fwohci_cardbus_match, fwohci_cardbus_attach,
        fwohci_cardbus_detach, fwohci_activate);
    
    #define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI
    #define CARDBUS_OHCI_MAP_REGISTER PCI_OHCI_MAP_REGISTER
    #define CARDBUS_OHCI_CONTROL_REGISTER PCI_OHCI_CONTROL_REGISTER
    #define CARDBUS_GLOBAL_SWAP_BE PCI_GLOBAL_SWAP_BE
    #define cardbus_devinfo pci_devinfo
    
    static int
    fwohci_cardbus_match(struct device *parent, struct cfdata *match, void *aux)
    {
            struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
    
            if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS &&
                CARDBUS_SUBCLASS(ca->ca_class) == 
                    CARDBUS_SUBCLASS_SERIALBUS_FIREWIRE &&
                CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI)
                    return 1;
     
            return 0;
    }
    
    static void
    fwohci_cardbus_attach(struct device *parent, struct device *self, void *aux)
   {
           struct cardbus_attach_args *ca = aux;
           struct fwohci_cardbus_softc *sc = (struct fwohci_cardbus_softc *)self;
           cardbus_devfunc_t ct = ca->ca_ct;
           cardbus_chipset_tag_t cc = ct->ct_cc;
           cardbus_function_tag_t cf = ct->ct_cf;
           cardbusreg_t csr;
           char devinfo[256];
           const char *devname = self->dv_xname;
   
           cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo);
           printf(": %s (rev. 0x%02x)\n", devinfo, 
                  CARDBUS_REVISION(ca->ca_class));
   
           /* Map I/O registers */
           if (Cardbus_mapreg_map(ct, CARDBUS_OHCI_MAP_REGISTER,
                 CARDBUS_MAPREG_TYPE_MEM, 0,
                 &sc->sc_sc.sc_memt, &sc->sc_sc.sc_memh,
                 NULL, &sc->sc_sc.sc_memsize)) {
                   printf("%s: can't map OHCI register space\n", devname);
                   return;
           }
   
           sc->sc_cc = cc;
           sc->sc_cf = cf;
           sc->sc_ct = ct;
           sc->sc_sc.sc_dmat = ca->ca_dmat;
   
   #if rbus
   #else
   XXX     (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40);
   #endif
           (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
           (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
   
           /* Disable interrupts, so we don't get any spurious ones. */
           OHCI_CSR_WRITE(&sc->sc_sc, OHCI_REG_IntMaskClear,
               OHCI_Int_MasterEnable);
   
           /* Enable the device. */
           csr = cardbus_conf_read(cc, cf, ca->ca_tag,
               CARDBUS_COMMAND_STATUS_REG);
           cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
               csr | CARDBUS_COMMAND_MASTER_ENABLE | CARDBUS_COMMAND_MEM_ENABLE);
   
   #if BYTE_ORDER == BIG_ENDIAN
           csr = cardbus_conf_read(cc, cf, ca->ca_tag,
                 CARDBUS_OHCI_CONTROL_REGISTER);
           cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_OHCI_CONTROL_REGISTER,
               csr | CARDBUS_GLOBAL_SWAP_BE);
   #endif
   
           sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
                                              IPL_BIO, fwohci_intr, sc);
           if (sc->sc_ih == NULL) {
                   printf("%s: couldn't establish interrupt\n", devname);
                   return;
           }
           printf("%s: interrupting at %d\n", devname, ca->ca_intrline);
   
           /* XXX NULL should be replaced by some call to Cardbus coed */
           if (fwohci_init(&sc->sc_sc, NULL) != 0) {
                   cardbus_intr_disestablish(cc, cf, sc->sc_ih);
                   bus_space_unmap(sc->sc_sc.sc_memt, sc->sc_sc.sc_memh,
                       sc->sc_sc.sc_memsize);
           }
   }
   
   int
   fwohci_cardbus_detach(struct device *self, int flags)
   {
           struct fwohci_cardbus_softc *sc = (struct fwohci_cardbus_softc *)self;
           cardbus_devfunc_t ct = sc->sc_ct;
           int rv;
   
           rv = fwohci_detach(&sc->sc_sc, flags);
   
           if (rv)
                   return (rv);
           if (sc->sc_ih != NULL) {
                   cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih);
                   sc->sc_ih = NULL;
           } 
           if (sc->sc_sc.sc_memsize) {
                   Cardbus_mapreg_unmap(ct, CARDBUS_OHCI_MAP_REGISTER,
                           sc->sc_sc.sc_memt, sc->sc_sc.sc_memh,
                           sc->sc_sc.sc_memsize);
                   sc->sc_sc.sc_memsize = 0;
           }
           return (0);
   }

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