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usr / src / sys / dev / usb / controller /

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📄 atmegadci.c(47.81 KB)
📄 atmegadci.h(8.82 KB)
📄 avr32dci.c(46.51 KB)
📄 avr32dci.h(8.48 KB)
📄 dwc3.c(9.16 KB)
📄 dwc3.h(4.06 KB)
📄 dwc_otg.c(116.38 KB)
📄 dwc_otg.h(6.39 KB)
📄 dwc_otg_acpi.c(4.62 KB)
📄 dwc_otg_fdt.c(5.94 KB)
📄 dwc_otg_fdt.h(1.57 KB)
📄 dwc_otg_hisi.c(2.89 KB)
📄 dwc_otgreg.h(25.93 KB)
📄 ehci.c(93.96 KB)
📄 ehci.h(15.6 KB)
📄 ehci_fsl.c(9.96 KB)
📄 ehci_imx.c(15 KB)
📄 ehci_msm.c(6.03 KB)
📄 ehci_mv.c(10.29 KB)
📄 ehci_pci.c(15.69 KB)
📄 ehcireg.h(8.55 KB)
📄 generic_ehci.c(5.08 KB)
📄 generic_ehci.h(1.76 KB)
📄 generic_ehci_acpi.c(2.73 KB)
📄 generic_ehci_fdt.c(6.43 KB)
📄 generic_ohci.c(9.1 KB)
📄 generic_usb_if.m(1.7 KB)
📄 generic_xhci.c(5.3 KB)
📄 generic_xhci.h(1.7 KB)
📄 generic_xhci_acpi.c(2.57 KB)
📄 generic_xhci_fdt.c(3.58 KB)
📄 musb_otg.c(96.75 KB)
📄 musb_otg.h(14.09 KB)
📄 musb_otg_allwinner.c(16.03 KB)
📄 ohci.c(62.79 KB)
📄 ohci.h(8.33 KB)
📄 ohci_pci.c(10.26 KB)
📄 ohcireg.h(5.36 KB)
📄 saf1761_otg.c(90.8 KB)
📄 saf1761_otg.h(5.38 KB)
📄 saf1761_otg_boot.c(4.19 KB)
📄 saf1761_otg_fdt.c(7.48 KB)
📄 saf1761_otg_reg.h(10.4 KB)
📄 uhci.c(71.45 KB)
📄 uhci.h(8.07 KB)
📄 uhci_pci.c(12.34 KB)
📄 uhcireg.h(3.41 KB)
📄 usb_controller.c(26.52 KB)
📄 usb_nop_xceiv.c(5.34 KB)
📄 uss820dci.c(54.82 KB)
📄 uss820dci.h(12.63 KB)
📄 xhci.c(103.55 KB)
📄 xhci.h(18.33 KB)
📄 xhci_pci.c(12.49 KB)
📄 xhcireg.h(12.05 KB)

Editing: usb_nop_xceiv.c

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2019 Rubicon Communications, LLC (Netgate)
 *
 * 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/cdefs.h>
__FBSDID("$FreeBSD$");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>

#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/rman.h>
#include <sys/lock.h>
#include <sys/mutex.h>

#include <machine/bus.h>

#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>

#include <dev/extres/clk/clk.h>
#include <dev/extres/regulator/regulator.h>
#include <dev/extres/phy/phy_usb.h>

#include "phynode_if.h"

struct usb_nop_xceiv_softc {
	device_t		dev;
	regulator_t		vcc_supply;
	clk_t			clk;
	uint32_t		clk_freq;
};

static struct ofw_compat_data compat_data[] = {
	{"usb-nop-xceiv", 1},
	{NULL,            0}
};

/* Phy class and methods. */
static int usb_nop_xceiv_phy_enable(struct phynode *phy, bool enable);
static phynode_usb_method_t usb_nop_xceiv_phynode_methods[] = {
	PHYNODEMETHOD(phynode_enable, usb_nop_xceiv_phy_enable),

PHYNODEMETHOD_END
};
DEFINE_CLASS_1(usb_nop_xceiv_phynode, usb_nop_xceiv_phynode_class,
    usb_nop_xceiv_phynode_methods,
    sizeof(struct phynode_usb_sc), phynode_usb_class);

static int
usb_nop_xceiv_phy_enable(struct phynode *phynode, bool enable)
{
	struct usb_nop_xceiv_softc *sc;
	device_t dev;
	intptr_t phy;
	int error;

dev = phynode_get_device(phynode);
	phy = phynode_get_id(phynode);
	sc = device_get_softc(dev);

if (phy != 0)
		return (ERANGE);

/* Enable the phy clock */
	if (sc->clk_freq != 0) {
		if (enable) {
			error = clk_set_freq(sc->clk, sc->clk_freq,
			  CLK_SET_ROUND_ANY);
			if (error != 0) {
				device_printf(dev, "Cannot set clock to %dMhz\n",
				  sc->clk_freq);
				goto fail;
			}

error = clk_enable(sc->clk);
		} else
			error = clk_disable(sc->clk);

if (error != 0) {
			device_printf(dev, "Cannot %sable the clock\n",
			    enable ? "En" : "Dis");
			goto fail;
		}
	}
	if (sc->vcc_supply) {
		if (enable)
			error = regulator_enable(sc->vcc_supply);
		else
			error = regulator_disable(sc->vcc_supply);
		if (error != 0) {
			device_printf(dev, "Cannot %sable the regulator\n",
			    enable ? "En" : "Dis");
			goto fail;
		}
	}

return (0);

fail:
	return (ENXIO);
}

static int
usb_nop_xceiv_probe(device_t dev)
{

if (!ofw_bus_status_okay(dev))
		return (ENXIO);

if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
		return (ENXIO);

device_set_desc(dev, "USB NOP PHY");
	return (BUS_PROBE_DEFAULT);
}

static int
usb_nop_xceiv_attach(device_t dev)
{
	struct usb_nop_xceiv_softc *sc;
	struct phynode *phynode;
	struct phynode_init_def phy_init;
	phandle_t node;
	int error;

sc = device_get_softc(dev);
	sc->dev = dev;
	node = ofw_bus_get_node(dev);

/* Parse the optional properties */
	OF_getencprop(node, "clock-frequency", &sc->clk_freq, sizeof(uint32_t));

error = clk_get_by_ofw_name(dev, node, "main_clk", &sc->clk);
	if (error != 0 && sc->clk_freq != 0) {
		device_printf(dev, "clock property is mandatory if clock-frequency is present\n");
		return (ENXIO);
	}

regulator_get_by_ofw_property(dev, node, "vcc-supply", &sc->vcc_supply);

phy_init.id = 0;
	phy_init.ofw_node = node;
	phynode = phynode_create(dev, &usb_nop_xceiv_phynode_class,
	    &phy_init);
	if (phynode == NULL) {
		device_printf(dev, "failed to create USB NOP PHY\n");
		return (ENXIO);
	}
	if (phynode_register(phynode) == NULL) {
		device_printf(dev, "failed to create USB NOP PHY\n");
		return (ENXIO);
	}

OF_device_register_xref(OF_xref_from_node(node), dev);

return (0);
}

static int
usb_nop_xceiv_detach(device_t dev)
{

return (EBUSY);
}

static device_method_t usb_nop_xceiv_methods[] = {
	/* Device interface */
	DEVMETHOD(device_probe, usb_nop_xceiv_probe),
	DEVMETHOD(device_attach, usb_nop_xceiv_attach),
	DEVMETHOD(device_detach, usb_nop_xceiv_detach),

DEVMETHOD_END
};

static devclass_t usb_nop_xceiv_devclass;

static driver_t usb_nop_xceiv_driver = {
	"usb_nop_xceiv",
	usb_nop_xceiv_methods,
	sizeof(struct usb_nop_xceiv_softc),
};

EARLY_DRIVER_MODULE(usb_nop_xceiv, simplebus, usb_nop_xceiv_driver,
    usb_nop_xceiv_devclass, 0, 0, BUS_PASS_SUPPORTDEV + BUS_PASS_ORDER_MIDDLE);

003 File Manager

Editing: usb_nop_xceiv.c

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