ohci_cardbus.c

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*      $OpenBSD: ohci_cardbus.c,v 1.23 2022/04/06 18:59:28 naddy Exp $ */
    2 /*      $NetBSD: ohci_cardbus.c,v 1.19 2004/08/02 19:14:28 mycroft Exp $        */
    3 
    4 /*
    5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
    6  * All rights reserved.
    7  *
    8  * This code is derived from software contributed to The NetBSD Foundation
    9  * by Lennart Augustsson (lennart@augustsson.net) at
   10  * Carlstedt Research & Technology.
   11  *
   12  * Redistribution and use in source and binary forms, with or without
   13  * modification, are permitted provided that the following conditions
   14  * are met:
   15  * 1. Redistributions of source code must retain the above copyright
   16  *    notice, this list of conditions and the following disclaimer.
   17  * 2. Redistributions in binary form must reproduce the above copyright
   18  *    notice, this list of conditions and the following disclaimer in the
   19  *    documentation and/or other materials provided with the distribution.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   31  * POSSIBILITY OF SUCH DAMAGE.
   32  */
   33 
   34 /*
   35  * USB Open Host Controller driver.
   36  *
   37  * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
   38  * USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl
   39  */
   40 
   41 
   42 #include <sys/param.h>
   43 #include <sys/systm.h>
   44 #include <sys/kernel.h>
   45 #include <sys/device.h>
   46 
   47 #include <machine/bus.h>
   48 
   49 #include <dev/cardbus/cardbusvar.h>
   50 
   51 #include <dev/usb/usb.h>
   52 #include <dev/usb/usbdi.h>
   53 #include <dev/usb/usbdivar.h>
   54 #include <dev/usb/usb_mem.h>
   55 
   56 #include <dev/usb/ohcireg.h>
   57 #include <dev/usb/ohcivar.h>
   58 
   59 int     ohci_cardbus_match(struct device *, void *, void *);
   60 void    ohci_cardbus_attach(struct device *, struct device *, void *);
   61 int     ohci_cardbus_detach(struct device *, int);
   62 
   63 struct ohci_cardbus_softc {
   64         struct ohci_softc       sc;
   65         cardbus_chipset_tag_t   sc_cc;
   66         cardbus_function_tag_t  sc_cf;
   67         cardbus_devfunc_t       sc_ct;
   68         void                    *sc_ih;         /* interrupt vectoring */
   69 };
   70 
   71 const struct cfattach ohci_cardbus_ca = {
   72         sizeof(struct ohci_cardbus_softc), ohci_cardbus_match,
   73             ohci_cardbus_attach, ohci_cardbus_detach, ohci_activate
   74 };
   75 
   76 #define CARDBUS_CBMEM PCI_CBMEM
   77 #define cardbus_findvendor pci_findvendor
   78 
   79 int
   80 ohci_cardbus_match(struct device *parent, void *match, void *aux)
   81 {
   82         struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
   83 
   84         if (PCI_CLASS(ca->ca_class) == PCI_CLASS_SERIALBUS &&
   85             PCI_SUBCLASS(ca->ca_class) == PCI_SUBCLASS_SERIALBUS_USB &&
   86             PCI_INTERFACE(ca->ca_class) == PCI_INTERFACE_OHCI)
   87                 return (1);
   88  
   89         return (0);
   90 }
   91 
   92 void
   93 ohci_cardbus_attach(struct device *parent, struct device *self, void *aux)
   94 {
   95         struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self;
   96         struct cardbus_attach_args *ca = aux;
   97         cardbus_devfunc_t ct = ca->ca_ct;
   98         cardbus_chipset_tag_t cc = ct->ct_cc;
   99         pci_chipset_tag_t pc = ca->ca_pc;
  100         cardbus_function_tag_t cf = ct->ct_cf;
  101         pcireg_t csr;
  102         usbd_status r;
  103         const char *vendor;
  104         const char *devname = sc->sc.sc_bus.bdev.dv_xname;
  105 
  106         /* Map I/O registers */
  107         if (Cardbus_mapreg_map(ct, CARDBUS_CBMEM, PCI_MAPREG_TYPE_MEM, 0,
  108                            &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
  109                 printf(": can't map mem space\n");
  110                 return;
  111         }
  112 
  113         /* Disable interrupts, so we don't get any spurious ones. */
  114         bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE,
  115                           OHCI_MIE);
  116 
  117         sc->sc_cc = cc;
  118         sc->sc_cf = cf;
  119         sc->sc_ct = ct;
  120         sc->sc.sc_bus.dmatag = ca->ca_dmat;
  121 
  122         (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
  123         (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
  124 
  125         /* Enable the device. */
  126         csr = pci_conf_read(pc, ca->ca_tag,
  127                                 PCI_COMMAND_STATUS_REG);
  128         pci_conf_write(pc, ca->ca_tag, PCI_COMMAND_STATUS_REG,
  129                        csr | PCI_COMMAND_MASTER_ENABLE
  130                            | PCI_COMMAND_MEM_ENABLE);
  131 
  132         sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
  133                                            IPL_USB, ohci_intr, sc, devname);
  134         if (sc->sc_ih == NULL) {
  135                 printf(": couldn't establish interrupt\n");
  136                 return;
  137         }
  138         printf(": irq %d, ", ca->ca_intrline);
  139 
  140         /* Figure out vendor for root hub descriptor. */
  141         vendor = cardbus_findvendor(ca->ca_id);
  142         sc->sc.sc_id_vendor = PCI_VENDOR(ca->ca_id);
  143         if (vendor)
  144                 strlcpy(sc->sc.sc_vendor, vendor, sizeof(sc->sc.sc_vendor));
  145         else
  146                 snprintf(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor),
  147                     "vendor 0x%04x", PCI_VENDOR(ca->ca_id));
  148 
  149         /* Display revision and perform legacy emulation handover. */
  150         if (ohci_checkrev(&sc->sc) != USBD_NORMAL_COMPLETION ||
  151             ohci_handover(&sc->sc) != USBD_NORMAL_COMPLETION) {
  152                 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
  153                 sc->sc_ih = 0;
  154                 return;
  155         }
  156 
  157         r = ohci_init(&sc->sc);
  158         if (r != USBD_NORMAL_COMPLETION) {
  159                 printf("%s: init failed, error=%d\n", devname, r);
  160 
  161                 /* Avoid spurious interrupts. */
  162                 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
  163                 sc->sc_ih = 0;
  164 
  165                 return;
  166         }
  167 
  168         /* Attach usb device. */
  169         config_found(self, &sc->sc.sc_bus, usbctlprint);
  170 }
  171 
  172 int
  173 ohci_cardbus_detach(struct device *self, int flags)
  174 {
  175         struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self;
  176         struct cardbus_devfunc *ct = sc->sc_ct;
  177         int rv;
  178 
  179         rv = ohci_detach(self, flags);
  180         if (rv)
  181                 return (rv);
  182 
  183         if (sc->sc_ih != NULL) {
  184                 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
  185                 sc->sc_ih = NULL;
  186         }
  187         if (sc->sc.sc_size) {
  188                 Cardbus_mapreg_unmap(ct, CARDBUS_CBMEM, sc->sc.iot,
  189                     sc->sc.ioh, sc->sc.sc_size);
  190                 sc->sc.sc_size = 0;
  191         }
  192 
  193         return (0);
  194 }

Cache object: 4c3556d404ba53a0bbf05891be824b3e

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

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

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