File Manager

003 File Manager

Current Path: /usr/src/sys/dev/usb/controller

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

📁 ..
📄 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: generic_ehci_fdt.c

/*-
 * Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org>
 * Copyright (c) 2016 The FreeBSD Foundation
 * All rights reserved.
 *
 * This software was developed by Andrew Turner under
 * sponsorship from the FreeBSD Foundation.
 *
 * 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 "opt_bus.h"

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/condvar.h>
#include <sys/kernel.h>
#include <sys/module.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_controller.h>
#include <dev/usb/usb_bus.h>
#include <dev/usb/controller/ehci.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>

#ifdef EXT_RESOURCES
#include <dev/extres/clk/clk.h>
#include <dev/extres/hwreset/hwreset.h>
#include <dev/extres/phy/phy.h>
#include <dev/extres/phy/phy_usb.h>
#endif

#include "generic_ehci.h"

#ifdef EXT_RESOURCES
struct clk_list {
	TAILQ_ENTRY(clk_list)	next;
	clk_t			clk;
};

struct hwrst_list {
	TAILQ_ENTRY(hwrst_list)	next;
	hwreset_t		rst;
};

struct phy_list {
	TAILQ_ENTRY(phy_list)	next;
	phy_t			phy;
};
#endif

struct generic_ehci_fdt_softc {
	ehci_softc_t	ehci_sc;

#ifdef EXT_RESOURCES
	TAILQ_HEAD(, clk_list)	clk_list;
	TAILQ_HEAD(, hwrst_list)	rst_list;
	TAILQ_HEAD(, phy_list)		phy_list;
#endif
};

static device_probe_t generic_ehci_fdt_probe;
static device_attach_t generic_ehci_fdt_attach;
static device_detach_t generic_ehci_fdt_detach;

static int
generic_ehci_fdt_probe(device_t self)
{

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

if (!ofw_bus_is_compatible(self, "generic-ehci"))
		return (ENXIO);

device_set_desc(self, "Generic EHCI Controller");
	return (BUS_PROBE_DEFAULT);
}

static int
generic_ehci_fdt_attach(device_t dev)
{
	int err;
#ifdef EXT_RESOURCES
	struct generic_ehci_fdt_softc *sc;
	struct clk_list *clkp;
	clk_t clk;
	struct hwrst_list *rstp;
	hwreset_t rst;
	struct phy_list *phyp;
	phy_t phy;
	int off;

sc = device_get_softc(dev);

TAILQ_INIT(&sc->clk_list);
	/* Enable clock */
	for (off = 0; clk_get_by_ofw_index(dev, 0, off, &clk) == 0; off++) {
		err = clk_enable(clk);
		if (err != 0) {
			device_printf(dev, "Could not enable clock %s\n",
			    clk_get_name(clk));
			goto error;
		}
		clkp = malloc(sizeof(*clkp), M_DEVBUF, M_WAITOK | M_ZERO);
		clkp->clk = clk;
		TAILQ_INSERT_TAIL(&sc->clk_list, clkp, next);
	}

/* De-assert reset */
	TAILQ_INIT(&sc->rst_list);
	for (off = 0; hwreset_get_by_ofw_idx(dev, 0, off, &rst) == 0; off++) {
		err = hwreset_deassert(rst);
		if (err != 0) {
			device_printf(dev, "Could not de-assert reset\n");
			goto error;
		}
		rstp = malloc(sizeof(*rstp), M_DEVBUF, M_WAITOK | M_ZERO);
		rstp->rst = rst;
		TAILQ_INSERT_TAIL(&sc->rst_list, rstp, next);
	}

/* Enable USB PHY */
	TAILQ_INIT(&sc->phy_list);
	for (off = 0; phy_get_by_ofw_idx(dev, 0, off, &phy) == 0; off++) {
		err = phy_usb_set_mode(phy, PHY_USB_MODE_HOST);
		if (err != 0) {
			device_printf(dev, "Could not set phy to host mode\n");
			goto error;
		}
		err = phy_enable(phy);
		if (err != 0) {
			device_printf(dev, "Could not enable phy\n");
			goto error;
		}
		phyp = malloc(sizeof(*phyp), M_DEVBUF, M_WAITOK | M_ZERO);
		phyp->phy = phy;
		TAILQ_INSERT_TAIL(&sc->phy_list, phyp, next);
	}
#endif

err = generic_ehci_attach(dev);
	if (err != 0)
		goto error;

return (0);

error:
	generic_ehci_fdt_detach(dev);
	return (err);
}

static int
generic_ehci_fdt_detach(device_t dev)
{
#ifdef EXT_RESOURCES
	struct generic_ehci_fdt_softc *sc;
	struct clk_list *clk, *clk_tmp;
	struct hwrst_list *rst, *rst_tmp;
	struct phy_list *phy, *phy_tmp;
#endif
	int err;

err = generic_ehci_detach(dev);
	if (err != 0)
		return (err);

#ifdef EXT_RESOURCES
	sc = device_get_softc(dev);

/* Disable clock */
	TAILQ_FOREACH_SAFE(clk, &sc->clk_list, next, clk_tmp) {
		err = clk_disable(clk->clk);
		if (err != 0)
			device_printf(dev, "Could not disable clock %s\n",
			    clk_get_name(clk->clk));
		err = clk_release(clk->clk);
		if (err != 0)
			device_printf(dev, "Could not release clock %s\n",
			    clk_get_name(clk->clk));
		TAILQ_REMOVE(&sc->clk_list, clk, next);
		free(clk, M_DEVBUF);
	}

/* Assert reset */
	TAILQ_FOREACH_SAFE(rst, &sc->rst_list, next, rst_tmp) {
		hwreset_assert(rst->rst);
		hwreset_release(rst->rst);
		TAILQ_REMOVE(&sc->rst_list, rst, next);
		free(rst, M_DEVBUF);
	}

/* Disable phys */
	TAILQ_FOREACH_SAFE(phy, &sc->phy_list, next, phy_tmp) {
		err = phy_disable(phy->phy);
		if (err != 0)
			device_printf(dev, "Could not disable phy\n");
		phy_release(phy->phy);
		TAILQ_REMOVE(&sc->phy_list, phy, next);
		free(phy, M_DEVBUF);
	}
#endif

return (0);
}

static device_method_t ehci_fdt_methods[] = {
	/* Device interface */
	DEVMETHOD(device_probe,		generic_ehci_fdt_probe),
	DEVMETHOD(device_attach,	generic_ehci_fdt_attach),
	DEVMETHOD(device_detach,	generic_ehci_fdt_detach),

DEVMETHOD_END
};

DEFINE_CLASS_1(ehci, ehci_fdt_driver, ehci_fdt_methods,
    sizeof(ehci_softc_t), generic_ehci_driver);

static devclass_t ehci_fdt_devclass;

DRIVER_MODULE(generic_ehci, simplebus, ehci_fdt_driver, ehci_fdt_devclass, 0, 0);
MODULE_DEPEND(generic_ehci, usb, 1, 1, 1);

003 File Manager

Editing: generic_ehci_fdt.c

Upload File

Create Folder