sys/bus/pci/ohci_pci.c

   1 /*      $FreeBSD: src/sys/pci/ohci_pci.c,v 1.16.2.5 2002/08/28 20:51:56 joe Exp $ */
   2 /*      $DragonFly: src/sys/bus/pci/Attic/ohci_pci.c,v 1.6 2003/10/28 07:30:37 asmodai 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 (augustss@carlstedt.se) 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  * 3. All advertising materials mentioning features or use of this software
  21  *    must display the following acknowledgement:
  22  *        This product includes software developed by the NetBSD
  23  *        Foundation, Inc. and its contributors.
  24  * 4. Neither the name of The NetBSD Foundation nor the names of its
  25  *    contributors may be used to endorse or promote products derived
  26  *    from this software without specific prior written permission.
  27  *
  28  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  29  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  31  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  32  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  38  * POSSIBILITY OF SUCH DAMAGE.
  39  */
  40
  41 /*
  42  * USB Open Host Controller driver.
  43  *
  44  * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
  45  */
  46
  47 /* The low level controller code for OHCI has been split into
  48  * PCI probes and OHCI specific code. This was done to facilitate the
  49  * sharing of code between *BSD's
  50  */
  51
  52
  53 #include "opt_bus.h"
  54
  55 #include <sys/param.h>
  56 #include <sys/systm.h>
  57 #include <sys/kernel.h>
  58 #include <sys/module.h>
  59 #include <sys/bus.h>
  60 #include <sys/queue.h>
  61 #include <machine/bus.h>
  62 #include <sys/rman.h>
  63 #include <machine/resource.h>
  64
  65 #include "pcivar.h"
  66 #include "pcireg.h"
  67
  68 #include <bus/usb/usb.h>
  69 #include <bus/usb/usbdi.h>
  70 #include <bus/usb/usbdivar.h>
  71 #include <bus/usb/usb_mem.h>
  72
  73 #include <bus/usb/ohcireg.h>
  74 #include <bus/usb/ohcivar.h>
  75
  76 #define PCI_OHCI_VENDORID_ACERLABS      0x10b9
  77 #define PCI_OHCI_VENDORID_AMD           0x1022
  78 #define PCI_OHCI_VENDORID_APPLE         0x106b
  79 #define PCI_OHCI_VENDORID_CMDTECH       0x1095
  80 #define PCI_OHCI_VENDORID_NEC           0x1033
  81 #define PCI_OHCI_VENDORID_NVIDIA        0x10de
  82 #define PCI_OHCI_VENDORID_NVIDIA2       0x12d2
  83 #define PCI_OHCI_VENDORID_OPTI          0x1045
  84 #define PCI_OHCI_VENDORID_SIS           0x1039
  85
  86 #define PCI_OHCI_DEVICEID_ALADDIN_V     0x523710b9
  87 static const char *ohci_device_aladdin_v = "AcerLabs M5237 (Aladdin-V) USB controller";
  88
  89 #define PCI_OHCI_DEVICEID_AMD756        0x740c1022
  90 static const char *ohci_device_amd756 = "AMD-756 USB Controller";
  91
  92 #define PCI_OHCI_DEVICEID_AMD766        0x74141022
  93 static const char *ohci_device_amd766 = "AMD-766 USB Controller";
  94
  95 #define PCI_OHCI_DEVICEID_NFORCE2       0x006710de
  96 static const char *ohci_device_nforce2 = "NVIDIA nForce2 USB Controller";
  97
  98 #define PCI_OHCI_DEVICEID_NFORCE3       0x00d710de
  99 static const char *ohci_device_nforce3 = "NVIDIA nForce3 USB Controller";
 100
 101 #define PCI_OHCI_DEVICEID_FIRELINK      0xc8611045
 102 static const char *ohci_device_firelink = "OPTi 82C861 (FireLink) USB controller";
 103
 104 #define PCI_OHCI_DEVICEID_NEC           0x00351033
 105 static const char *ohci_device_nec = "NEC uPD 9210 USB controller";
 106
 107 #define PCI_OHCI_DEVICEID_USB0670       0x06701095
 108 static const char *ohci_device_usb0670 = "CMD Tech 670 (USB0670) USB controller";
 109
 110 #define PCI_OHCI_DEVICEID_USB0673       0x06731095
 111 static const char *ohci_device_usb0673 = "CMD Tech 673 (USB0673) USB controller";
 112
 113 #define PCI_OHCI_DEVICEID_SIS5571       0x70011039
 114 static const char *ohci_device_sis5571 = "SiS 5571 USB controller";
 115
 116 #define PCI_OHCI_DEVICEID_KEYLARGO      0x0019106b
 117 static const char *ohci_device_keylargo = "Apple KeyLargo USB controller";
 118
 119 static const char *ohci_device_generic = "OHCI (generic) USB controller";
 120
 121 #define PCI_OHCI_BASE_REG       0x10
 122
 123
 124 static int ohci_pci_attach(device_t self);
 125 static int ohci_pci_detach(device_t self);
 126
 127 static const char *
 128 ohci_pci_match(device_t self)
 129 {
 130         u_int32_t device_id = pci_get_devid(self);
 131
 132         switch (device_id) {
 133         case PCI_OHCI_DEVICEID_ALADDIN_V:
 134                 return (ohci_device_aladdin_v);
 135         case PCI_OHCI_DEVICEID_AMD756:
 136                 return (ohci_device_amd756);
 137         case PCI_OHCI_DEVICEID_AMD766:
 138                 return (ohci_device_amd766);
 139         case PCI_OHCI_DEVICEID_NFORCE2:
 140                 return (ohci_device_nforce2);
 141         case PCI_OHCI_DEVICEID_NFORCE3:
 142                 return (ohci_device_nforce3);
 143         case PCI_OHCI_DEVICEID_USB0670:
 144                 return (ohci_device_usb0670);
 145         case PCI_OHCI_DEVICEID_USB0673:
 146                 return (ohci_device_usb0673);
 147         case PCI_OHCI_DEVICEID_FIRELINK:
 148                 return (ohci_device_firelink);
 149         case PCI_OHCI_DEVICEID_NEC:
 150                 return (ohci_device_nec);
 151         case PCI_OHCI_DEVICEID_SIS5571:
 152                 return (ohci_device_sis5571);
 153         case PCI_OHCI_DEVICEID_KEYLARGO:
 154                 return (ohci_device_keylargo);
 155         default:
 156                 if (pci_get_class(self) == PCIC_SERIALBUS
 157                     && pci_get_subclass(self) == PCIS_SERIALBUS_USB
 158                     && pci_get_progif(self) == PCI_INTERFACE_OHCI) {
 159                         return (ohci_device_generic);
 160                 }
 161         }
 162
 163         return NULL;            /* dunno */
 164 }
 165
 166 static int
 167 ohci_pci_probe(device_t self)
 168 {
 169         const char *desc = ohci_pci_match(self);
 170
 171         if (desc) {
 172                 device_set_desc(self, desc);
 173                 return 0;
 174         } else {
 175                 return ENXIO;
 176         }
 177 }
 178
 179 static int
 180 ohci_pci_attach(device_t self)
 181 {
 182         ohci_softc_t *sc = device_get_softc(self);
 183         int err;
 184         int rid;
 185
 186         /* XXX where does it say so in the spec? */
 187         sc->sc_bus.usbrev = USBREV_1_0;
 188
 189         rid = PCI_CBMEM;
 190         sc->io_res = bus_alloc_resource(self, SYS_RES_MEMORY, &rid,
 191             0, ~0, 1, RF_ACTIVE);
 192         if (!sc->io_res) {
 193                 device_printf(self, "Could not map memory\n");
 194                 return ENXIO;
 195         }
 196         sc->iot = rman_get_bustag(sc->io_res);
 197         sc->ioh = rman_get_bushandle(sc->io_res);
 198
 199         rid = 0;
 200         sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1,
 201             RF_SHAREABLE | RF_ACTIVE);
 202         if (sc->irq_res == NULL) {
 203                 device_printf(self, "Could not allocate irq\n");
 204                 ohci_pci_detach(self);
 205                 return ENXIO;
 206         }
 207         sc->sc_bus.bdev = device_add_child(self, "usb", -1);
 208         if (!sc->sc_bus.bdev) {
 209                 device_printf(self, "Could not add USB device\n");
 210                 ohci_pci_detach(self);
 211                 return ENOMEM;
 212         }
 213         device_set_ivars(sc->sc_bus.bdev, sc);
 214
 215         /* ohci_pci_match will never return NULL if ohci_pci_probe succeeded */
 216         device_set_desc(sc->sc_bus.bdev, ohci_pci_match(self));
 217         switch (pci_get_vendor(self)) {
 218         case PCI_OHCI_VENDORID_ACERLABS:
 219                 sprintf(sc->sc_vendor, "AcerLabs");
 220                 break;
 221         case PCI_OHCI_VENDORID_AMD:
 222                 sprintf(sc->sc_vendor, "AMD");
 223                 break;
 224         case PCI_OHCI_VENDORID_APPLE:
 225                 sprintf(sc->sc_vendor, "Apple");
 226                 break;
 227         case PCI_OHCI_VENDORID_CMDTECH:
 228                 sprintf(sc->sc_vendor, "CMDTECH");
 229                 break;
 230         case PCI_OHCI_VENDORID_NEC:
 231                 sprintf(sc->sc_vendor, "NEC");
 232                 break;
 233         case PCI_OHCI_VENDORID_NVIDIA:
 234         case PCI_OHCI_VENDORID_NVIDIA2:
 235                 sprintf(sc->sc_vendor, "NVIDIA");
 236                 break;
 237         case PCI_OHCI_VENDORID_OPTI:
 238                 sprintf(sc->sc_vendor, "OPTi");
 239                 break;
 240         case PCI_OHCI_VENDORID_SIS:
 241                 sprintf(sc->sc_vendor, "SiS");
 242                 break;
 243         default:
 244                 if (bootverbose)
 245                         device_printf(self, "(New OHCI DeviceId=0x%08x)\n",
 246                             pci_get_devid(self));
 247                 sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
 248         }
 249
 250         err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_BIO,
 251             (driver_intr_t *) ohci_intr, sc, &sc->ih);
 252         if (err) {
 253                 device_printf(self, "Could not setup irq, %d\n", err);
 254                 sc->ih = NULL;
 255                 ohci_pci_detach(self);
 256                 return ENXIO;
 257         }
 258         err = ohci_init(sc);
 259         if (!err)
 260                 err = device_probe_and_attach(sc->sc_bus.bdev);
 261
 262         if (err) {
 263                 device_printf(self, "USB init failed\n");
 264                 ohci_pci_detach(self);
 265                 return EIO;
 266         }
 267         return 0;
 268 }
 269
 270 static int
 271 ohci_pci_detach(device_t self)
 272 {
 273         ohci_softc_t *sc = device_get_softc(self);
 274
 275         /*
 276          * XXX this code is not yet fit to be used as detach for the OHCI
 277          * controller
 278          */
 279
 280         /*
 281          * disable interrupts that might have been switched on in ohci_init
 282          */
 283         if (sc->iot && sc->ioh)
 284                 bus_space_write_4(sc->iot, sc->ioh,
 285                     OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS);
 286
 287         if (sc->irq_res && sc->ih) {
 288                 int err = bus_teardown_intr(self, sc->irq_res, sc->ih);
 289
 290                 if (err)
 291                         /* XXX or should we panic? */
 292                         device_printf(self, "Could not tear down irq, %d\n",
 293                             err);
 294                 sc->ih = NULL;
 295         }
 296         if (sc->sc_bus.bdev) {
 297                 device_delete_child(self, sc->sc_bus.bdev);
 298                 sc->sc_bus.bdev = NULL;
 299         }
 300         if (sc->irq_res) {
 301                 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
 302                 sc->irq_res = NULL;
 303         }
 304         if (sc->io_res) {
 305                 bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM, sc->io_res);
 306                 sc->io_res = NULL;
 307                 sc->iot = 0;
 308                 sc->ioh = 0;
 309         }
 310         return 0;
 311 }
 312
 313 static device_method_t ohci_methods[] = {
 314         /* Device interface */
 315         DEVMETHOD(device_probe, ohci_pci_probe),
 316         DEVMETHOD(device_attach, ohci_pci_attach),
 317         DEVMETHOD(device_shutdown, bus_generic_shutdown),
 318
 319         /* Bus interface */
 320         DEVMETHOD(bus_print_child, bus_generic_print_child),
 321
 322         {0, 0}
 323 };
 324
 325 static driver_t ohci_driver = {
 326         "ohci",
 327         ohci_methods,
 328         sizeof(ohci_softc_t),
 329 };
 330
 331 static devclass_t ohci_devclass;
 332
 333 DRIVER_MODULE(ohci, pci, ohci_driver, ohci_devclass, 0, 0);