276 lines
7.6 KiB
C
276 lines
7.6 KiB
C
/* $FreeBSD$ */
|
|
/*-
|
|
* 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.
|
|
*/
|
|
|
|
#ifdef USB_GLOBAL_INCLUDE_FILE
|
|
#include USB_GLOBAL_INCLUDE_FILE
|
|
#else
|
|
#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/fdt/fdt_common.h>
|
|
|
|
#include <dev/ofw/openfirm.h>
|
|
#include <dev/ofw/ofw_bus.h>
|
|
#include <dev/ofw/ofw_bus_subr.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_transfer.h>
|
|
#include <dev/usb/usb_device.h>
|
|
#include <dev/usb/usb_hub.h>
|
|
#include <dev/usb/usb_util.h>
|
|
|
|
#include <dev/usb/usb_controller.h>
|
|
#include <dev/usb/usb_bus.h>
|
|
#endif /* 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, simplebus, 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 (!ofw_bus_status_okay(dev))
|
|
return (ENXIO);
|
|
|
|
if (!ofw_bus_is_compatible(dev, "nxp,usb-isp1761"))
|
|
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);
|
|
char param[24];
|
|
int err;
|
|
int rid;
|
|
|
|
/* get configuration from FDT */
|
|
|
|
/* get bus-width, if any */
|
|
if (OF_getprop(ofw_bus_get_node(dev), "bus-width",
|
|
¶m, sizeof(param)) > 0) {
|
|
param[sizeof(param) - 1] = 0;
|
|
if (strcmp(param, "32") == 0)
|
|
sc->sc_hw_mode |= SOTG_HW_MODE_CTRL_DATA_BUS_WIDTH;
|
|
} else {
|
|
/* assume 32-bit data bus */
|
|
sc->sc_hw_mode |= SOTG_HW_MODE_CTRL_DATA_BUS_WIDTH;
|
|
}
|
|
|
|
/* get analog over-current setting */
|
|
if (OF_getprop(ofw_bus_get_node(dev), "analog-oc",
|
|
¶m, sizeof(param)) > 0) {
|
|
sc->sc_hw_mode |= SOTG_HW_MODE_CTRL_ANA_DIGI_OC;
|
|
}
|
|
|
|
/* get DACK polarity */
|
|
if (OF_getprop(ofw_bus_get_node(dev), "dack-polarity",
|
|
¶m, sizeof(param)) > 0) {
|
|
sc->sc_hw_mode |= SOTG_HW_MODE_CTRL_DACK_POL;
|
|
}
|
|
|
|
/* get DREQ polarity */
|
|
if (OF_getprop(ofw_bus_get_node(dev), "dreq-polarity",
|
|
¶m, sizeof(param)) > 0) {
|
|
sc->sc_hw_mode |= SOTG_HW_MODE_CTRL_DREQ_POL;
|
|
}
|
|
|
|
/* get IRQ polarity */
|
|
if (OF_getprop(ofw_bus_get_node(dev), "int-polarity",
|
|
¶m, sizeof(param)) > 0) {
|
|
sc->sc_interrupt_cfg |= SOTG_INTERRUPT_CFG_INTPOL;
|
|
sc->sc_hw_mode |= SOTG_HW_MODE_CTRL_INTR_POL;
|
|
}
|
|
|
|
/* get IRQ level triggering */
|
|
if (OF_getprop(ofw_bus_get_node(dev), "int-level",
|
|
¶m, sizeof(param)) > 0) {
|
|
sc->sc_interrupt_cfg |= SOTG_INTERRUPT_CFG_INTLVL;
|
|
sc->sc_hw_mode |= SOTG_HW_MODE_CTRL_INTR_LEVEL;
|
|
}
|
|
|
|
/* 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);
|
|
}
|
|
rid = 0;
|
|
sc->sc_io_res =
|
|
bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
|
|
|
|
if (sc->sc_io_res == NULL)
|
|
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);
|
|
|
|
/* try to allocate the HC interrupt first */
|
|
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) {
|
|
/* try to allocate a common IRQ second */
|
|
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)
|
|
goto error;
|
|
}
|
|
|
|
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);
|
|
|
|
err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_TTY | INTR_MPSAFE,
|
|
&saf1761_otg_filter_interrupt, &saf1761_otg_interrupt, sc, &sc->sc_intr_hdl);
|
|
if (err) {
|
|
sc->sc_intr_hdl = NULL;
|
|
goto error;
|
|
}
|
|
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;
|
|
int err;
|
|
|
|
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 && sc->sc_intr_hdl) {
|
|
/*
|
|
* Only call uninit() after init()
|
|
*/
|
|
saf1761_otg_uninit(sc);
|
|
|
|
err = bus_teardown_intr(dev, sc->sc_irq_res,
|
|
sc->sc_intr_hdl);
|
|
sc->sc_intr_hdl = NULL;
|
|
}
|
|
if (sc->sc_irq_res) {
|
|
bus_release_resource(dev, SYS_RES_IRQ, 0,
|
|
sc->sc_irq_res);
|
|
sc->sc_irq_res = NULL;
|
|
}
|
|
if (sc->sc_io_res) {
|
|
bus_release_resource(dev, SYS_RES_MEMORY, 0,
|
|
sc->sc_io_res);
|
|
sc->sc_io_res = NULL;
|
|
}
|
|
usb_bus_mem_free_all(&sc->sc_bus, NULL);
|
|
|
|
return (0);
|
|
}
|