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#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*-
* Copyright (c) 2010,2011 Aleksandr Rybalko. All rights reserved.
* Copyright (c) 2007-2008 Hans Petter Selasky. 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 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 <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/dotg.h>
#include <mips/rt305x/rt305xreg.h>
#include <mips/rt305x/rt305x_sysctlvar.h>
#define MEM_RID 0
static device_probe_t dotg_obio_probe;
static device_attach_t dotg_obio_attach;
static device_detach_t dotg_obio_detach;
static device_shutdown_t dotg_obio_shutdown;
struct dotg_obio_softc {
struct dotg_softc sc_dci; /* must be first */
};
static int
dotg_obio_probe(device_t dev)
{
device_set_desc(dev, "DWC like USB OTG controller");
return (0);
}
static int
dotg_obio_attach(device_t dev)
{
struct dotg_obio_softc *sc = device_get_softc(dev);
int err;
/* setup controller interface softc */
/* initialise some bus fields */
sc->sc_dci.sc_dev = dev;
sc->sc_dci.sc_bus.parent = dev;
sc->sc_dci.sc_bus.devices = sc->sc_dci.sc_devices;
sc->sc_dci.sc_bus.devices_max = DOTG_MAX_DEVICES;
/* get all DMA memory */
if (usb_bus_mem_alloc_all(&sc->sc_dci.sc_bus,
USB_GET_DMA_TAG(dev), NULL)) {
printf("No mem\n");
return (ENOMEM);
}
sc->sc_dci.sc_mem_rid = 0;
sc->sc_dci.sc_mem_res =
bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->sc_dci.sc_irq_rid,
RF_ACTIVE);
if (!(sc->sc_dci.sc_mem_res)) {
printf("Can`t alloc MEM\n");
goto error;
}
sc->sc_dci.sc_bst = rman_get_bustag(sc->sc_dci.sc_mem_res);
sc->sc_dci.sc_bsh = rman_get_bushandle(sc->sc_dci.sc_mem_res);
sc->sc_dci.sc_irq_rid = 0;
sc->sc_dci.sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&sc->sc_dci.sc_irq_rid, RF_SHAREABLE| RF_ACTIVE);
if (!(sc->sc_dci.sc_irq_res)) {
printf("Can`t alloc IRQ\n");
goto error;
}
sc->sc_dci.sc_bus.bdev = device_add_child(dev, "usbus", -1);
if (!(sc->sc_dci.sc_bus.bdev)) {
printf("Can`t add usbus\n");
goto error;
}
device_set_ivars(sc->sc_dci.sc_bus.bdev, &sc->sc_dci.sc_bus);
#if (__FreeBSD_version >= 700031)
err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res,
INTR_TYPE_BIO | INTR_MPSAFE, NULL, (driver_intr_t *)dotg_interrupt,
sc, &sc->sc_dci.sc_intr_hdl);
#else
err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res,
INTR_TYPE_BIO | INTR_MPSAFE, (driver_intr_t *)dotg_interrupt,
sc, &sc->sc_dci.sc_intr_hdl);
#endif
if (err) {
sc->sc_dci.sc_intr_hdl = NULL;
printf("Can`t set IRQ handle\n");
goto error;
}
/* Run clock for OTG core */
rt305x_sysctl_set(SYSCTL_CLKCFG1, rt305x_sysctl_get(SYSCTL_CLKCFG1) |
SYSCTL_CLKCFG1_OTG_CLK_EN);
rt305x_sysctl_set(SYSCTL_RSTCTRL, SYSCTL_RSTCTRL_OTG);
DELAY(100);
err = dotg_init(&sc->sc_dci);
if (err) printf("dotg_init fail\n");
if (!err) {
err = device_probe_and_attach(sc->sc_dci.sc_bus.bdev);
if (err) printf("device_probe_and_attach fail\n");
}
if (err) {
goto error;
}
return (0);
error:
dotg_obio_detach(dev);
return (ENXIO);
}
static int
dotg_obio_detach(device_t dev)
{
struct dotg_obio_softc *sc = device_get_softc(dev);
device_t bdev;
int err;
if (sc->sc_dci.sc_bus.bdev) {
bdev = sc->sc_dci.sc_bus.bdev;
device_detach(bdev);
device_delete_child(dev, bdev);
}
/* during module unload there are lots of children leftover */
device_delete_all_children(dev);
if (sc->sc_dci.sc_irq_res && sc->sc_dci.sc_intr_hdl) {
/*
* only call dotg_obio_uninit() after dotg_obio_init()
*/
dotg_uninit(&sc->sc_dci);
/* Stop OTG clock */
rt305x_sysctl_set(SYSCTL_CLKCFG1,
rt305x_sysctl_get(SYSCTL_CLKCFG1) &
~SYSCTL_CLKCFG1_OTG_CLK_EN);
err = bus_teardown_intr(dev, sc->sc_dci.sc_irq_res,
sc->sc_dci.sc_intr_hdl);
sc->sc_dci.sc_intr_hdl = NULL;
}
if (sc->sc_dci.sc_irq_res) {
bus_release_resource(dev, SYS_RES_IRQ, 0,
sc->sc_dci.sc_irq_res);
sc->sc_dci.sc_irq_res = NULL;
}
if (sc->sc_dci.sc_mem_res) {
bus_release_resource(dev, SYS_RES_MEMORY, 0,
sc->sc_dci.sc_mem_res);
sc->sc_dci.sc_mem_res = NULL;
}
usb_bus_mem_free_all(&sc->sc_dci.sc_bus, NULL);
return (0);
}
static int
dotg_obio_shutdown(device_t dev)
{
struct dotg_obio_softc *sc = device_get_softc(dev);
int err;
err = bus_generic_shutdown(dev);
if (err)
return (err);
dotg_uninit(&sc->sc_dci);
return (0);
}
static device_method_t dotg_obio_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, dotg_obio_probe),
DEVMETHOD(device_attach, dotg_obio_attach),
DEVMETHOD(device_detach, dotg_obio_detach),
DEVMETHOD(device_shutdown, dotg_obio_shutdown),
/* Bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
{0, 0}
};
static driver_t dotg_obio_driver = {
"dotg",
dotg_obio_methods,
sizeof(struct dotg_obio_softc),
};
static devclass_t dotg_obio_devclass;
DRIVER_MODULE(dotg, obio, dotg_obio_driver, dotg_obio_devclass, 0, 0);
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