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 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-NetBSD
    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  *
   20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   30  * POSSIBILITY OF SUCH DAMAGE.
   31  */
   32 
   33 #include <sys/cdefs.h>
   34 __FBSDID("$FreeBSD$");
   35 
   36 /*
   37  * USB Open Host Controller driver.
   38  *
   39  * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
   40  */
   41 
   42 /* The low level controller code for OHCI has been split into
   43  * PCI probes and OHCI specific code. This was done to facilitate the
   44  * sharing of code between *BSD's
   45  */
   46 
   47 #include <sys/stdint.h>
   48 #include <sys/stddef.h>
   49 #include <sys/param.h>
   50 #include <sys/queue.h>
   51 #include <sys/types.h>
   52 #include <sys/systm.h>
   53 #include <sys/kernel.h>
   54 #include <sys/bus.h>
   55 #include <sys/module.h>
   56 #include <sys/lock.h>
   57 #include <sys/mutex.h>
   58 #include <sys/condvar.h>
   59 #include <sys/sysctl.h>
   60 #include <sys/sx.h>
   61 #include <sys/unistd.h>
   62 #include <sys/callout.h>
   63 #include <sys/malloc.h>
   64 #include <sys/priv.h>
   65 
   66 #include <dev/usb/usb.h>
   67 #include <dev/usb/usbdi.h>
   68 
   69 #include <dev/usb/usb_core.h>
   70 #include <dev/usb/usb_busdma.h>
   71 #include <dev/usb/usb_process.h>
   72 #include <dev/usb/usb_util.h>
   73 
   74 #include <dev/usb/usb_controller.h>
   75 #include <dev/usb/usb_bus.h>
   76 #include <dev/usb/usb_pci.h>
   77 #include <dev/usb/controller/ohci.h>
   78 #include <dev/usb/controller/ohcireg.h>
   79 #include "usb_if.h"
   80 
   81 #define PCI_OHCI_VENDORID_ACERLABS      0x10b9
   82 #define PCI_OHCI_VENDORID_AMD           0x1022
   83 #define PCI_OHCI_VENDORID_APPLE         0x106b
   84 #define PCI_OHCI_VENDORID_ATI           0x1002
   85 #define PCI_OHCI_VENDORID_CMDTECH       0x1095
   86 #define PCI_OHCI_VENDORID_HYGON         0x1d94
   87 #define PCI_OHCI_VENDORID_NEC           0x1033
   88 #define PCI_OHCI_VENDORID_NVIDIA        0x12D2
   89 #define PCI_OHCI_VENDORID_NVIDIA2       0x10DE
   90 #define PCI_OHCI_VENDORID_OPTI          0x1045
   91 #define PCI_OHCI_VENDORID_SIS           0x1039
   92 
   93 #define PCI_OHCI_BASE_REG       0x10
   94 
   95 static device_probe_t ohci_pci_probe;
   96 static device_attach_t ohci_pci_attach;
   97 static device_detach_t ohci_pci_detach;
   98 static usb_take_controller_t ohci_pci_take_controller;
   99 
  100 static int
  101 ohci_pci_take_controller(device_t self)
  102 {
  103         uint32_t reg;
  104         uint32_t int_line;
  105 
  106         if (pci_get_powerstate(self) != PCI_POWERSTATE_D0) {
  107                 device_printf(self, "chip is in D%d mode "
  108                     "-- setting to D0\n", pci_get_powerstate(self));
  109                 reg = pci_read_config(self, PCI_CBMEM, 4);
  110                 int_line = pci_read_config(self, PCIR_INTLINE, 4);
  111                 pci_set_powerstate(self, PCI_POWERSTATE_D0);
  112                 pci_write_config(self, PCI_CBMEM, reg, 4);
  113                 pci_write_config(self, PCIR_INTLINE, int_line, 4);
  114         }
  115         return (0);
  116 }
  117 
  118 static const char *
  119 ohci_pci_match(device_t self)
  120 {
  121         uint32_t device_id = pci_get_devid(self);
  122 
  123         switch (device_id) {
  124         case 0x523710b9:
  125                 return ("AcerLabs M5237 (Aladdin-V) USB controller");
  126 
  127         case 0x740c1022:
  128                 return ("AMD-756 USB Controller");
  129         case 0x74141022:
  130                 return ("AMD-766 USB Controller");
  131         case 0x78071022:
  132                 return ("AMD FCH USB Controller");
  133 
  134         case 0x43741002:
  135                 return "ATI SB400 USB Controller";
  136         case 0x43751002:
  137                 return "ATI SB400 USB Controller";
  138         case 0x43971002:
  139                 return ("AMD SB7x0/SB8x0/SB9x0 USB controller");
  140         case 0x43981002:
  141                 return ("AMD SB7x0/SB8x0/SB9x0 USB controller");
  142         case 0x43991002:
  143                 return ("AMD SB7x0/SB8x0/SB9x0 USB controller");
  144 
  145         case 0x06701095:
  146                 return ("CMD Tech 670 (USB0670) USB controller");
  147 
  148         case 0x06731095:
  149                 return ("CMD Tech 673 (USB0673) USB controller");
  150 
  151         case 0xc8611045:
  152                 return ("OPTi 82C861 (FireLink) USB controller");
  153 
  154         case 0x00351033:
  155                 return ("NEC uPD 9210 USB controller");
  156 
  157         case 0x00d710de:
  158                 return ("nVidia nForce3 USB Controller");
  159 
  160         case 0x005a10de:
  161                 return ("nVidia nForce CK804 USB Controller");
  162         case 0x036c10de:
  163                 return ("nVidia nForce MCP55 USB Controller");
  164         case 0x03f110de:
  165                 return ("nVidia nForce MCP61 USB Controller");
  166         case 0x0aa510de:
  167                 return ("nVidia nForce MCP79 USB Controller");
  168         case 0x0aa710de:
  169                 return ("nVidia nForce MCP79 USB Controller");
  170         case 0x0aa810de:
  171                 return ("nVidia nForce MCP79 USB Controller");
  172 
  173         case 0x70011039:
  174                 return ("SiS 5571 USB controller");
  175 
  176         case 0x0019106b:
  177                 return ("Apple KeyLargo USB controller");
  178         case 0x003f106b:
  179                 return ("Apple KeyLargo/Intrepid USB controller");
  180 
  181         default:
  182                 break;
  183         }
  184         if ((pci_get_class(self) == PCIC_SERIALBUS) &&
  185             (pci_get_subclass(self) == PCIS_SERIALBUS_USB) &&
  186             (pci_get_progif(self) == PCI_INTERFACE_OHCI)) {
  187                 return ("OHCI (generic) USB controller");
  188         }
  189         return (NULL);
  190 }
  191 
  192 static int
  193 ohci_pci_probe(device_t self)
  194 {
  195         const char *desc = ohci_pci_match(self);
  196 
  197         if (desc) {
  198                 device_set_desc(self, desc);
  199                 return (0);
  200         } else {
  201                 return (ENXIO);
  202         }
  203 }
  204 
  205 static int
  206 ohci_pci_attach(device_t self)
  207 {
  208         ohci_softc_t *sc = device_get_softc(self);
  209         int rid;
  210         int err;
  211 
  212         /* initialise some bus fields */
  213         sc->sc_bus.parent = self;
  214         sc->sc_bus.devices = sc->sc_devices;
  215         sc->sc_bus.devices_max = OHCI_MAX_DEVICES;
  216         sc->sc_bus.dma_bits = 32;
  217 
  218         /* get all DMA memory */
  219         if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self),
  220             &ohci_iterate_hw_softc)) {
  221                 return (ENOMEM);
  222         }
  223         sc->sc_dev = self;
  224 
  225         pci_enable_busmaster(self);
  226 
  227         rid = PCI_CBMEM;
  228         sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
  229             RF_ACTIVE);
  230         if (!sc->sc_io_res) {
  231                 device_printf(self, "Could not map memory\n");
  232                 goto error;
  233         }
  234         sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
  235         sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
  236         sc->sc_io_size = rman_get_size(sc->sc_io_res);
  237 
  238         rid = 0;
  239         sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
  240             RF_SHAREABLE | RF_ACTIVE);
  241         if (sc->sc_irq_res == NULL) {
  242                 device_printf(self, "Could not allocate irq\n");
  243                 goto error;
  244         }
  245         sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
  246         if (!sc->sc_bus.bdev) {
  247                 device_printf(self, "Could not add USB device\n");
  248                 goto error;
  249         }
  250         device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
  251 
  252         /*
  253          * ohci_pci_match will never return NULL if ohci_pci_probe
  254          * succeeded
  255          */
  256         device_set_desc(sc->sc_bus.bdev, ohci_pci_match(self));
  257         switch (pci_get_vendor(self)) {
  258         case PCI_OHCI_VENDORID_ACERLABS:
  259                 sprintf(sc->sc_vendor, "AcerLabs");
  260                 break;
  261         case PCI_OHCI_VENDORID_AMD:
  262                 sprintf(sc->sc_vendor, "AMD");
  263                 break;
  264         case PCI_OHCI_VENDORID_APPLE:
  265                 sprintf(sc->sc_vendor, "Apple");
  266                 break;
  267         case PCI_OHCI_VENDORID_ATI:
  268                 sprintf(sc->sc_vendor, "ATI");
  269                 break;
  270         case PCI_OHCI_VENDORID_CMDTECH:
  271                 sprintf(sc->sc_vendor, "CMDTECH");
  272                 break;
  273         case PCI_OHCI_VENDORID_HYGON:
  274                 sprintf(sc->sc_vendor, "Hygon");
  275                 break;
  276         case PCI_OHCI_VENDORID_NEC:
  277                 sprintf(sc->sc_vendor, "NEC");
  278                 break;
  279         case PCI_OHCI_VENDORID_NVIDIA:
  280         case PCI_OHCI_VENDORID_NVIDIA2:
  281                 sprintf(sc->sc_vendor, "nVidia");
  282                 break;
  283         case PCI_OHCI_VENDORID_OPTI:
  284                 sprintf(sc->sc_vendor, "OPTi");
  285                 break;
  286         case PCI_OHCI_VENDORID_SIS:
  287                 sprintf(sc->sc_vendor, "SiS");
  288                 break;
  289         default:
  290                 if (bootverbose) {
  291                         device_printf(self, "(New OHCI DeviceId=0x%08x)\n",
  292                             pci_get_devid(self));
  293                 }
  294                 sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
  295         }
  296 
  297         /* sc->sc_bus.usbrev; set by ohci_init() */
  298 
  299 #if (__FreeBSD_version >= 700031)
  300         err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
  301             NULL, (driver_intr_t *)ohci_interrupt, sc, &sc->sc_intr_hdl);
  302 #else
  303         err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
  304             (driver_intr_t *)ohci_interrupt, sc, &sc->sc_intr_hdl);
  305 #endif
  306         if (err) {
  307                 device_printf(self, "Could not setup irq, %d\n", err);
  308                 sc->sc_intr_hdl = NULL;
  309                 goto error;
  310         }
  311         err = ohci_init(sc);
  312         if (!err) {
  313                 err = device_probe_and_attach(sc->sc_bus.bdev);
  314         }
  315         if (err) {
  316                 device_printf(self, "USB init failed\n");
  317                 goto error;
  318         }
  319         return (0);
  320 
  321 error:
  322         ohci_pci_detach(self);
  323         return (ENXIO);
  324 }
  325 
  326 static int
  327 ohci_pci_detach(device_t self)
  328 {
  329         ohci_softc_t *sc = device_get_softc(self);
  330 
  331         /* during module unload there are lots of children leftover */
  332         device_delete_children(self);
  333 
  334         pci_disable_busmaster(self);
  335 
  336         if (sc->sc_irq_res && sc->sc_intr_hdl) {
  337                 /*
  338                  * only call ohci_detach() after ohci_init()
  339                  */
  340                 ohci_detach(sc);
  341 
  342                 int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
  343 
  344                 if (err) {
  345                         /* XXX or should we panic? */
  346                         device_printf(self, "Could not tear down irq, %d\n",
  347                             err);
  348                 }
  349                 sc->sc_intr_hdl = NULL;
  350         }
  351         if (sc->sc_irq_res) {
  352                 bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
  353                 sc->sc_irq_res = NULL;
  354         }
  355         if (sc->sc_io_res) {
  356                 bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM,
  357                     sc->sc_io_res);
  358                 sc->sc_io_res = NULL;
  359         }
  360         usb_bus_mem_free_all(&sc->sc_bus, &ohci_iterate_hw_softc);
  361 
  362         return (0);
  363 }
  364 
  365 static device_method_t ohci_pci_methods[] = {
  366         /* Device interface */
  367         DEVMETHOD(device_probe, ohci_pci_probe),
  368         DEVMETHOD(device_attach, ohci_pci_attach),
  369         DEVMETHOD(device_detach, ohci_pci_detach),
  370         DEVMETHOD(device_suspend, bus_generic_suspend),
  371         DEVMETHOD(device_resume, bus_generic_resume),
  372         DEVMETHOD(device_shutdown, bus_generic_shutdown),
  373         DEVMETHOD(usb_take_controller, ohci_pci_take_controller),
  374 
  375         DEVMETHOD_END
  376 };
  377 
  378 static driver_t ohci_driver = {
  379         .name = "ohci",
  380         .methods = ohci_pci_methods,
  381         .size = sizeof(struct ohci_softc),
  382 };
  383 
  384 DRIVER_MODULE(ohci, pci, ohci_driver, 0, 0);
  385 MODULE_DEPEND(ohci, usb, 1, 1, 1);
Cache object: a4ed7dcd0c22e5f33654601e9d642937
[ 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/usb/controller/ohci_pci.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/controller/ohci_pci.c
