sys/powerpc/ps3/ehci_ps3.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause
   3  *
   4  * Copyright (C) 2010 Nathan Whitehorn
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include <sys/cdefs.h>
  29 #include <sys/stdint.h>
  30 #include <sys/stddef.h>
  31 #include <sys/param.h>
  32 #include <sys/queue.h>
  33 #include <sys/types.h>
  34 #include <sys/systm.h>
  35 #include <sys/kernel.h>
  36 #include <sys/bus.h>
  37 #include <sys/module.h>
  38 #include <sys/lock.h>
  39 #include <sys/mutex.h>
  40 #include <sys/condvar.h>
  41 #include <sys/sysctl.h>
  42 #include <sys/sx.h>
  43 #include <sys/unistd.h>
  44 #include <sys/callout.h>
  45 #include <sys/malloc.h>
  46 #include <sys/priv.h>
  47
  48 #include <sys/rman.h>
  49
  50 #include <dev/usb/usb.h>
  51 #include <dev/usb/usbdi.h>
  52
  53 #include <dev/usb/usb_core.h>
  54 #include <dev/usb/usb_busdma.h>
  55 #include <dev/usb/usb_process.h>
  56 #include <dev/usb/usb_util.h>
  57
  58 #include <dev/usb/usb_controller.h>
  59 #include <dev/usb/usb_bus.h>
  60 #include <dev/usb/controller/ehci.h>
  61 #include <dev/usb/controller/ehcireg.h>
  62
  63 #include "ps3bus.h"
  64
  65 static void
  66 ehci_ps3_post_reset(struct ehci_softc *ehci_softc)
  67 {
  68         uint32_t usbmode;
  69
  70         /* Select big-endian mode */
  71         usbmode = EOREAD4(ehci_softc, EHCI_USBMODE_NOLPM);
  72         usbmode |= EHCI_UM_ES_BE;
  73         EOWRITE4(ehci_softc, EHCI_USBMODE_NOLPM, usbmode);
  74 }
  75
  76 static int
  77 ehci_ps3_probe(device_t dev)
  78 {
  79         if (ps3bus_get_bustype(dev) != PS3_BUSTYPE_SYSBUS ||
  80             ps3bus_get_devtype(dev) != PS3_DEVTYPE_USB)
  81                 return (ENXIO);
  82
  83         device_set_desc(dev, "Playstation 3 USB 2.0 controller");
  84         return (BUS_PROBE_SPECIFIC);
  85 }
  86
  87 static int
  88 ehci_ps3_attach(device_t dev)
  89 {
  90         ehci_softc_t *sc = device_get_softc(dev);
  91         int rid, err;
  92
  93         sc->sc_bus.parent = dev;
  94         sc->sc_bus.devices = sc->sc_devices;
  95         sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
  96         sc->sc_bus.dma_bits = 32;
  97
  98         /* get all DMA memory */
  99         if (usb_bus_mem_alloc_all(&sc->sc_bus,
 100             USB_GET_DMA_TAG(dev), &ehci_iterate_hw_softc))
 101                 return (ENOMEM);
 102
 103         rid = 1;
 104         sc->sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
 105             &rid, RF_ACTIVE);
 106
 107         if (!sc->sc_io_res) {
 108                 device_printf(dev, "Could not map memory\n");
 109                 goto error;
 110         }
 111
 112         sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
 113         sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
 114         sc->sc_io_size = rman_get_size(sc->sc_io_res);
 115
 116         rid = 1;
 117         sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
 118             RF_SHAREABLE | RF_ACTIVE);
 119
 120         if (sc->sc_irq_res == NULL) {
 121                 device_printf(dev, "Could not allocate irq\n");
 122                 return (ENXIO);
 123         }
 124
 125         sc->sc_bus.bdev = device_add_child(dev, "usbus", DEVICE_UNIT_ANY);
 126         if (!sc->sc_bus.bdev) {
 127                 device_printf(dev, "Could not add USB device\n");
 128                 return (ENXIO);
 129         }
 130
 131         device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
 132
 133         sprintf(sc->sc_vendor, "Sony");
 134
 135         err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
 136             NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
 137         if (err) {
 138                 device_printf(dev, "Could not setup error irq, %d\n", err);
 139                 goto error;
 140         }
 141
 142         sc->sc_vendor_post_reset = ehci_ps3_post_reset;
 143         err = ehci_init(sc);
 144         if (err) {
 145                 device_printf(dev, "USB init failed err=%d\n", err);
 146                 goto error;
 147         }
 148
 149         err = device_probe_and_attach(sc->sc_bus.bdev);
 150         if (err == 0)
 151                 return (0);
 152
 153 error:
 154         return (ENXIO);
 155 }
 156
 157 static device_method_t ehci_ps3_methods[] = {
 158         /* Device interface */
 159         DEVMETHOD(device_probe, ehci_ps3_probe),
 160         DEVMETHOD(device_attach, ehci_ps3_attach),
 161         DEVMETHOD(device_resume, bus_generic_resume),
 162         DEVMETHOD(device_suspend, bus_generic_suspend),
 163         DEVMETHOD(device_shutdown, bus_generic_shutdown),
 164
 165         DEVMETHOD_END
 166 };
 167
 168 static driver_t ehci_ps3_driver = {
 169         .name = "ehci",
 170         .methods = ehci_ps3_methods,
 171         .size = sizeof(ehci_softc_t),
 172 };
 173
 174 DRIVER_MODULE(ehci_ps3, ps3bus, ehci_ps3_driver, 0, 0);
 175 MODULE_DEPEND(ehci_ps3, usb, 1, 1, 1);