FreeBSD/Linux Kernel Cross Reference
sys/powerpc/ps3/ehci_ps3.c

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (C) 2010 Nathan Whitehorn
      * All rights reserved.
      *
      * 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 TOOLS GMBH 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.
     *
     * $FreeBSD$
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    #include <sys/stdint.h>
    #include <sys/stddef.h>
    #include <sys/param.h>
    #include <sys/queue.h>
    #include <sys/types.h>
    #include <sys/systm.h>
    #include <sys/kernel.h>
    #include <sys/bus.h>
    #include <sys/module.h>
    #include <sys/lock.h>
    #include <sys/mutex.h>
    #include <sys/condvar.h>
    #include <sys/sysctl.h>
    #include <sys/sx.h>
    #include <sys/unistd.h>
    #include <sys/callout.h>
    #include <sys/malloc.h>
    #include <sys/priv.h>
    
    #include <sys/rman.h>
    
    #include <dev/usb/usb.h>
    #include <dev/usb/usbdi.h>
    
    #include <dev/usb/usb_core.h>
    #include <dev/usb/usb_busdma.h>
    #include <dev/usb/usb_process.h>
    #include <dev/usb/usb_util.h>
    
    #include <dev/usb/usb_controller.h>
    #include <dev/usb/usb_bus.h>
    #include <dev/usb/controller/ehci.h>
    #include <dev/usb/controller/ehcireg.h>
    
    #include "ps3bus.h"
    
    struct ps3_ehci_softc {
            ehci_softc_t            base;
            struct bus_space         tag;
    };
    
    static void
    ehci_ps3_post_reset(struct ehci_softc *ehci_softc)
    {
            uint32_t usbmode;
    
            /* Select big-endian mode */
            usbmode = EOREAD4(ehci_softc, EHCI_USBMODE_NOLPM);
            usbmode |= EHCI_UM_ES_BE;
            EOWRITE4(ehci_softc, EHCI_USBMODE_NOLPM, usbmode);
    }
    
    static int
    ehci_ps3_probe(device_t dev)
    {
            if (ps3bus_get_bustype(dev) != PS3_BUSTYPE_SYSBUS ||
                ps3bus_get_devtype(dev) != PS3_DEVTYPE_USB)
                    return (ENXIO);
    
            device_set_desc(dev, "Playstation 3 USB 2.0 controller");
            return (BUS_PROBE_SPECIFIC);
    }
    
    static int
    ehci_ps3_attach(device_t dev)
    {
            ehci_softc_t *sc = device_get_softc(dev);
           int rid, err;
   
           sc->sc_bus.parent = dev;
           sc->sc_bus.devices = sc->sc_devices;
           sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
           sc->sc_bus.dma_bits = 32;
   
           /* get all DMA memory */
           if (usb_bus_mem_alloc_all(&sc->sc_bus,
               USB_GET_DMA_TAG(dev), &ehci_iterate_hw_softc))
                   return (ENOMEM);
   
           rid = 1;
           sc->sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
               &rid, RF_ACTIVE);
   
           if (!sc->sc_io_res) {
                   device_printf(dev, "Could not map memory\n");
                   goto error;
           }
   
           sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
           sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
           sc->sc_io_size = rman_get_size(sc->sc_io_res);
   
           rid = 1;
           sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
               RF_SHAREABLE | RF_ACTIVE);
   
           if (sc->sc_irq_res == NULL) {
                   device_printf(dev, "Could not allocate irq\n");
                   return (ENXIO);
           }
   
           sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
           if (!sc->sc_bus.bdev) {
                   device_printf(dev, "Could not add USB device\n");
                   return (ENXIO);
           }
   
           device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
   
           sprintf(sc->sc_vendor, "Sony");
   
           err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
               NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
           if (err) {
                   device_printf(dev, "Could not setup error irq, %d\n", err);
                   goto error;
           }
   
           sc->sc_vendor_post_reset = ehci_ps3_post_reset;
           err = ehci_init(sc);
           if (err) {
                   device_printf(dev, "USB init failed err=%d\n", err);
                   goto error;
           }
   
           err = device_probe_and_attach(sc->sc_bus.bdev);
           if (err == 0)
                   return (0);
   
   error:
           return (ENXIO);
   }
   
   static device_method_t ehci_ps3_methods[] = {
           /* Device interface */
           DEVMETHOD(device_probe, ehci_ps3_probe),
           DEVMETHOD(device_attach, ehci_ps3_attach),
           DEVMETHOD(device_resume, bus_generic_resume),
           DEVMETHOD(device_suspend, bus_generic_suspend),
           DEVMETHOD(device_shutdown, bus_generic_shutdown),
   
           DEVMETHOD_END
   };
   
   static driver_t ehci_ps3_driver = {
           .name = "ehci",
           .methods = ehci_ps3_methods,
           .size = sizeof(ehci_softc_t),
   };
   
   static devclass_t ehci_ps3_devclass;
   
   DRIVER_MODULE(ehci_ps3, ps3bus, ehci_ps3_driver, ehci_ps3_devclass, 0, 0);
   MODULE_DEPEND(ehci_ps3, usb, 1, 1, 1);

Cache object: fdcc5bc239ea0a43854562863b2311cf