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/* $FreeBSD$ */
/*-
* Copyright (c) 2014 Hans Petter Selasky <hselasky@FreeBSD.org>
* All rights reserved.
*
* This software was developed by SRI International and the University of
* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
* ("CTSRD"), as part of the DARPA CRASH research programme.
*
* 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 AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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.
*/
#include USB_GLOBAL_INCLUDE_FILE
#include <dev/usb/controller/saf1761_otg.h>
#include <dev/usb/controller/saf1761_otg_reg.h>
static device_probe_t saf1761_otg_fdt_probe;
static device_attach_t saf1761_otg_fdt_attach;
static device_detach_t saf1761_otg_fdt_detach;
static device_method_t saf1761_otg_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, saf1761_otg_fdt_probe),
DEVMETHOD(device_attach, saf1761_otg_fdt_attach),
DEVMETHOD(device_detach, saf1761_otg_fdt_detach),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD_END
};
static driver_t saf1761_otg_driver = {
.name = "saf1761otg",
.methods = saf1761_otg_methods,
.size = sizeof(struct saf1761_otg_softc),
};
static devclass_t saf1761_otg_devclass;
DRIVER_MODULE(saf1761otg, pci, saf1761_otg_driver, saf1761_otg_devclass, 0, 0);
MODULE_DEPEND(saf1761otg, usb, 1, 1, 1);
static int
saf1761_otg_fdt_probe(device_t dev)
{
if (device_get_unit(dev) != 0)
return (ENXIO);
device_set_desc(dev, "ISP1761/SAF1761 DCI USB 2.0 Device Controller");
return (0);
}
static int
saf1761_otg_fdt_attach(device_t dev)
{
struct saf1761_otg_softc *sc = device_get_softc(dev);
int err;
/* 32-bit data bus */
sc->sc_hw_mode |= SOTG_HW_MODE_CTRL_DATA_BUS_WIDTH;
/* initialise some bus fields */
sc->sc_bus.parent = dev;
sc->sc_bus.devices = sc->sc_devices;
sc->sc_bus.devices_max = SOTG_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), NULL))
return (ENOMEM);
sc->sc_io_res = (void *)1;
sc->sc_io_tag = (void *)1;
sc->sc_io_hdl = (void *)USB_PCI_MEMORY_ADDRESS;
sc->sc_io_size = USB_PCI_MEMORY_SIZE;
sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
if (sc->sc_bus.bdev == NULL)
goto error;
device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
device_set_interrupt(dev, &saf1761_otg_filter_interrupt, &saf1761_otg_interrupt, sc);
err = saf1761_otg_init(sc);
if (err) {
device_printf(dev, "Init failed\n");
goto error;
}
err = device_probe_and_attach(sc->sc_bus.bdev);
if (err) {
device_printf(dev, "USB probe and attach failed\n");
goto error;
}
return (0);
error:
saf1761_otg_fdt_detach(dev);
return (ENXIO);
}
static int
saf1761_otg_fdt_detach(device_t dev)
{
struct saf1761_otg_softc *sc = device_get_softc(dev);
device_t bdev;
if (sc->sc_bus.bdev) {
bdev = sc->sc_bus.bdev;
device_detach(bdev);
device_delete_child(dev, bdev);
}
/* during module unload there are lots of children leftover */
device_delete_children(dev);
if (sc->sc_irq_res) {
/*
* Only call uninit() after init()
*/
saf1761_otg_uninit(sc);
}
usb_bus_mem_free_all(&sc->sc_bus, NULL);
return (0);
}
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