ohci_pci.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 /*      $FreeBSD: releng/5.0/sys/pci/ohci_pci.c 102056 2002-08-18 11:52:47Z joe $ */
    2 
    3 /*
    4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Lennart Augustsson (augustss@carlstedt.se) at
    9  * Carlstedt Research & Technology.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  * 3. All advertising materials mentioning features or use of this software
   20  *    must display the following acknowledgement:
   21  *        This product includes software developed by the NetBSD
   22  *        Foundation, Inc. and its contributors.
   23  * 4. Neither the name of The NetBSD Foundation nor the names of its
   24  *    contributors may be used to endorse or promote products derived
   25  *    from this software without specific prior written permission.
   26  *
   27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   37  * POSSIBILITY OF SUCH DAMAGE.
   38  */
   39 
   40 /*
   41  * USB Open Host Controller driver.
   42  *
   43  * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
   44  */
   45 
   46 /* The low level controller code for OHCI has been split into
   47  * PCI probes and OHCI specific code. This was done to facilitate the
   48  * sharing of code between *BSD's
   49  */
   50 
   51 
   52 #include "opt_bus.h"
   53 
   54 #include <sys/param.h>
   55 #include <sys/systm.h>
   56 #include <sys/kernel.h>
   57 #include <sys/module.h>
   58 #include <sys/bus.h>
   59 #include <sys/queue.h>
   60 #include <machine/bus.h>
   61 #include <sys/rman.h>
   62 #include <machine/resource.h>
   63 
   64 #include <pci/pcivar.h>
   65 #include <pci/pcireg.h>
   66 
   67 #include <dev/usb/usb.h>
   68 #include <dev/usb/usbdi.h>
   69 #include <dev/usb/usbdivar.h>
   70 #include <dev/usb/usb_mem.h>
   71 
   72 #include <dev/usb/ohcireg.h>
   73 #include <dev/usb/ohcivar.h>
   74 
   75 #define PCI_OHCI_VENDORID_ACERLABS      0x10b9
   76 #define PCI_OHCI_VENDORID_AMD           0x1022
   77 #define PCI_OHCI_VENDORID_APPLE         0x106b
   78 #define PCI_OHCI_VENDORID_CMDTECH       0x1095
   79 #define PCI_OHCI_VENDORID_NEC           0x1033
   80 #define PCI_OHCI_VENDORID_OPTI          0x1045
   81 #define PCI_OHCI_VENDORID_SIS           0x1039
   82 
   83 #define PCI_OHCI_DEVICEID_ALADDIN_V     0x523710b9
   84 static const char *ohci_device_aladdin_v = "AcerLabs M5237 (Aladdin-V) USB controller";
   85 
   86 #define PCI_OHCI_DEVICEID_AMD756        0x740c1022
   87 static const char *ohci_device_amd756 = "AMD-756 USB Controller";
   88 
   89 #define PCI_OHCI_DEVICEID_AMD766        0x74141022
   90 static const char *ohci_device_amd766 = "AMD-766 USB Controller";
   91 
   92 #define PCI_OHCI_DEVICEID_FIRELINK      0xc8611045
   93 static const char *ohci_device_firelink = "OPTi 82C861 (FireLink) USB controller";
   94 
   95 #define PCI_OHCI_DEVICEID_NEC           0x00351033
   96 static const char *ohci_device_nec = "NEC uPD 9210 USB controller";
   97 
   98 #define PCI_OHCI_DEVICEID_USB0670       0x06701095
   99 static const char *ohci_device_usb0670 = "CMD Tech 670 (USB0670) USB controller";
  100 
  101 #define PCI_OHCI_DEVICEID_USB0673       0x06731095
  102 static const char *ohci_device_usb0673 = "CMD Tech 673 (USB0673) USB controller";
  103 
  104 #define PCI_OHCI_DEVICEID_SIS5571       0x70011039
  105 static const char *ohci_device_sis5571 = "SiS 5571 USB controller";
  106 
  107 #define PCI_OHCI_DEVICEID_KEYLARGO      0x0019106b
  108 static const char *ohci_device_keylargo = "Apple KeyLargo USB controller";
  109 
  110 static const char *ohci_device_generic = "OHCI (generic) USB controller";
  111 
  112 #define PCI_OHCI_BASE_REG       0x10
  113 
  114 
  115 static int ohci_pci_attach(device_t self);
  116 static int ohci_pci_detach(device_t self);
  117 
  118 static const char *
  119 ohci_pci_match(device_t self)
  120 {
  121         u_int32_t device_id = pci_get_devid(self);
  122 
  123         switch (device_id) {
  124         case PCI_OHCI_DEVICEID_ALADDIN_V:
  125                 return (ohci_device_aladdin_v);
  126         case PCI_OHCI_DEVICEID_AMD756:
  127                 return (ohci_device_amd756);
  128         case PCI_OHCI_DEVICEID_AMD766:
  129                 return (ohci_device_amd766);
  130         case PCI_OHCI_DEVICEID_USB0670:
  131                 return (ohci_device_usb0670);
  132         case PCI_OHCI_DEVICEID_USB0673:
  133                 return (ohci_device_usb0673);
  134         case PCI_OHCI_DEVICEID_FIRELINK:
  135                 return (ohci_device_firelink);
  136         case PCI_OHCI_DEVICEID_NEC:
  137                 return (ohci_device_nec);
  138         case PCI_OHCI_DEVICEID_SIS5571:
  139                 return (ohci_device_sis5571);
  140         case PCI_OHCI_DEVICEID_KEYLARGO:
  141                 return (ohci_device_keylargo);
  142         default:
  143                 if (pci_get_class(self) == PCIC_SERIALBUS
  144                     && pci_get_subclass(self) == PCIS_SERIALBUS_USB
  145                     && pci_get_progif(self) == PCI_INTERFACE_OHCI) {
  146                         return (ohci_device_generic);
  147                 }
  148         }
  149 
  150         return NULL;            /* dunno */
  151 }
  152 
  153 static int
  154 ohci_pci_probe(device_t self)
  155 {
  156         const char *desc = ohci_pci_match(self);
  157 
  158         if (desc) {
  159                 device_set_desc(self, desc);
  160                 return 0;
  161         } else {
  162                 return ENXIO;
  163         }
  164 }
  165 
  166 static int
  167 ohci_pci_attach(device_t self)
  168 {
  169         ohci_softc_t *sc = device_get_softc(self);
  170         int err;
  171         int rid;
  172 
  173         /* XXX where does it say so in the spec? */
  174         sc->sc_bus.usbrev = USBREV_1_0;
  175 
  176         rid = PCI_CBMEM;
  177         sc->io_res = bus_alloc_resource(self, SYS_RES_MEMORY, &rid,
  178             0, ~0, 1, RF_ACTIVE);
  179         if (!sc->io_res) {
  180                 device_printf(self, "Could not map memory\n");
  181                 return ENXIO;
  182         }
  183         sc->iot = rman_get_bustag(sc->io_res);
  184         sc->ioh = rman_get_bushandle(sc->io_res);
  185 
  186         rid = 0;
  187         sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1,
  188             RF_SHAREABLE | RF_ACTIVE);
  189         if (sc->irq_res == NULL) {
  190                 device_printf(self, "Could not allocate irq\n");
  191                 ohci_pci_detach(self);
  192                 return ENXIO;
  193         }
  194         sc->sc_bus.bdev = device_add_child(self, "usb", -1);
  195         if (!sc->sc_bus.bdev) {
  196                 device_printf(self, "Could not add USB device\n");
  197                 ohci_pci_detach(self);
  198                 return ENOMEM;
  199         }
  200         device_set_ivars(sc->sc_bus.bdev, sc);
  201 
  202         /* ohci_pci_match will never return NULL if ohci_pci_probe succeeded */
  203         device_set_desc(sc->sc_bus.bdev, ohci_pci_match(self));
  204         switch (pci_get_vendor(self)) {
  205         case PCI_OHCI_VENDORID_ACERLABS:
  206                 sprintf(sc->sc_vendor, "AcerLabs");
  207                 break;
  208         case PCI_OHCI_VENDORID_AMD:
  209                 sprintf(sc->sc_vendor, "AMD");
  210                 break;
  211         case PCI_OHCI_VENDORID_APPLE:
  212                 sprintf(sc->sc_vendor, "Apple");
  213                 break;
  214         case PCI_OHCI_VENDORID_CMDTECH:
  215                 sprintf(sc->sc_vendor, "CMDTECH");
  216                 break;
  217         case PCI_OHCI_VENDORID_NEC:
  218                 sprintf(sc->sc_vendor, "NEC");
  219                 break;
  220         case PCI_OHCI_VENDORID_OPTI:
  221                 sprintf(sc->sc_vendor, "OPTi");
  222                 break;
  223         case PCI_OHCI_VENDORID_SIS:
  224                 sprintf(sc->sc_vendor, "SiS");
  225                 break;
  226         default:
  227                 if (bootverbose)
  228                         device_printf(self, "(New OHCI DeviceId=0x%08x)\n",
  229                             pci_get_devid(self));
  230                 sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
  231         }
  232 
  233         err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_BIO,
  234             (driver_intr_t *) ohci_intr, sc, &sc->ih);
  235         if (err) {
  236                 device_printf(self, "Could not setup irq, %d\n", err);
  237                 sc->ih = NULL;
  238                 ohci_pci_detach(self);
  239                 return ENXIO;
  240         }
  241         err = ohci_init(sc);
  242         if (!err)
  243                 err = device_probe_and_attach(sc->sc_bus.bdev);
  244 
  245         if (err) {
  246                 device_printf(self, "USB init failed\n");
  247                 ohci_pci_detach(self);
  248                 return EIO;
  249         }
  250         return 0;
  251 }
  252 
  253 static int
  254 ohci_pci_detach(device_t self)
  255 {
  256         ohci_softc_t *sc = device_get_softc(self);
  257 
  258         /*
  259          * XXX this code is not yet fit to be used as detach for the OHCI
  260          * controller
  261          */
  262 
  263         /*
  264          * disable interrupts that might have been switched on in ohci_init
  265          */
  266         if (sc->iot && sc->ioh)
  267                 bus_space_write_4(sc->iot, sc->ioh,
  268                     OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS);
  269 
  270         if (sc->irq_res && sc->ih) {
  271                 int err = bus_teardown_intr(self, sc->irq_res, sc->ih);
  272 
  273                 if (err)
  274                         /* XXX or should we panic? */
  275                         device_printf(self, "Could not tear down irq, %d\n",
  276                             err);
  277                 sc->ih = NULL;
  278         }
  279         if (sc->sc_bus.bdev) {
  280                 device_delete_child(self, sc->sc_bus.bdev);
  281                 sc->sc_bus.bdev = NULL;
  282         }
  283         if (sc->irq_res) {
  284                 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
  285                 sc->irq_res = NULL;
  286         }
  287         if (sc->io_res) {
  288                 bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM, sc->io_res);
  289                 sc->io_res = NULL;
  290                 sc->iot = 0;
  291                 sc->ioh = 0;
  292         }
  293         return 0;
  294 }
  295 
  296 static device_method_t ohci_methods[] = {
  297         /* Device interface */
  298         DEVMETHOD(device_probe, ohci_pci_probe),
  299         DEVMETHOD(device_attach, ohci_pci_attach),
  300         DEVMETHOD(device_shutdown, bus_generic_shutdown),
  301 
  302         /* Bus interface */
  303         DEVMETHOD(bus_print_child, bus_generic_print_child),
  304 
  305         {0, 0}
  306 };
  307 
  308 static driver_t ohci_driver = {
  309         "ohci",
  310         ohci_methods,
  311         sizeof(ohci_softc_t),
  312 };
  313 
  314 static devclass_t ohci_devclass;
  315 
  316 DRIVER_MODULE(ohci, pci, ohci_driver, ohci_devclass, 0, 0);
Cache object: 7da70f8e6b6aaf311a3577e0517663ce
[ 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/pci/ohci_pci.c

FreeBSD/Linux Kernel Cross Reference
sys/pci/ohci_pci.c
