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freebsd/sys/powerpc/ps3/ohci_ps3.c
Hans Petter Selasky 2e14174893 Implement better support for USB controller suspend and resume.
This patch should remove the need for kldunload of USB
controller drivers at suspend and kldload of USB controller
drivers at resume.

This patch also fixes some build issues in avr32dci.c

MFC after:	2 weeks
2011-12-14 00:28:54 +00:00

171 lines
4.6 KiB
C

/*-
* 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/linker_set.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/ohci.h>
#include <dev/usb/controller/ohcireg.h>
#include "ps3bus.h"
static int
ohci_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
ohci_ps3_attach(device_t dev)
{
ohci_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 = OHCI_MAX_DEVICES;
if (usb_bus_mem_alloc_all(&sc->sc_bus,
USB_GET_DMA_TAG(dev), &ohci_iterate_hw_softc))
return (ENOMEM);
rid = 0;
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 = 0;
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 *)ohci_interrupt, sc, &sc->sc_intr_hdl);
if (err) {
device_printf(dev, "Could not setup error irq, %d\n", err);
goto error;
}
//sc->sc_flags |= EHCI_SCFLG_BIGEMMIO;
bus_space_write_4(sc->sc_io_tag, sc->sc_io_hdl,
OHCI_CONTROL, 0);
err = ohci_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 ohci_ps3_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ohci_ps3_probe),
DEVMETHOD(device_attach, ohci_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 ohci_ps3_driver = {
.name = "ohci",
.methods = ohci_ps3_methods,
.size = sizeof(ohci_softc_t),
};
static devclass_t ohci_ps3_devclass;
DRIVER_MODULE(ohci_ps3, ps3bus, ohci_ps3_driver, ohci_ps3_devclass, 0, 0);
MODULE_DEPEND(ohci_ps3, usb, 1, 1, 1);