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: ehci_msm.c

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2018 Ruslan Bukin <br@bsdpad.com>
 * All rights reserved.
 *
 * This software was developed by BAE Systems, the University of Cambridge
 * Computer Laboratory, and Memorial University under DARPA/AFRL contract
 * FA8650-15-C-7558 ("CADETS"), as part of the DARPA Transparent Computing
 * (TC) research program.
 *
 * 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/rman.h>
#include <sys/condvar.h>
#include <sys/kernel.h>
#include <sys/module.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_util.h>

#include <dev/usb/usb_controller.h>
#include <dev/usb/usb_bus.h>
#include <dev/usb/controller/ehci.h>
#include <dev/usb/controller/ehcireg.h>

struct ehci_msm_softc {
	ehci_softc_t		base;
	struct resource		*res[3];
};

static struct resource_spec ehci_msm_spec[] = {
	{ SYS_RES_MEMORY,	0,	RF_ACTIVE },
	{ SYS_RES_MEMORY,	1,	RF_ACTIVE },
	{ SYS_RES_IRQ,		0,	RF_ACTIVE },
	{ -1, 0 }
};

#define	EHCI_HC_DEVSTR		"Qualcomm USB 2.0 controller"

static device_attach_t ehci_msm_attach;
static device_detach_t ehci_msm_detach;

static int
ehci_msm_probe(device_t dev)
{

if (!ofw_bus_is_compatible(dev, "qcom,ci-hdrc"))
		return (ENXIO);

device_set_desc(dev, EHCI_HC_DEVSTR);

return (BUS_PROBE_DEFAULT);
}

static int
ehci_msm_attach(device_t dev)
{
	struct ehci_msm_softc *esc;
	bus_space_handle_t bsh;
	ehci_softc_t *sc;
	int err;

esc = device_get_softc(dev);
	sc = &esc->base;
	sc->sc_bus.parent = dev;
	sc->sc_bus.devices = sc->sc_devices;
	sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
	sc->sc_bus.dma_bits = 32;

if (bus_alloc_resources(dev, ehci_msm_spec, esc->res)) {
		device_printf(dev, "could not allocate resources\n");
		return (ENXIO);
	}

sc->sc_io_tag = rman_get_bustag(esc->res[0]);

/* Get all DMA memory */
	if (usb_bus_mem_alloc_all(&sc->sc_bus,
	    USB_GET_DMA_TAG(dev), &ehci_iterate_hw_softc)) {
		return (ENOMEM);
	}

/* EHCI registers */
	sc->sc_io_tag = rman_get_bustag(esc->res[0]);
	bsh = rman_get_bushandle(esc->res[0]);
	sc->sc_io_size = rman_get_size(esc->res[0]);

if (bus_space_subregion(sc->sc_io_tag, bsh, 0x100,
	    sc->sc_io_size, &sc->sc_io_hdl) != 0)
		panic("%s: unable to subregion USB host registers",
		    device_get_name(dev));

sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
	if (!sc->sc_bus.bdev) {
		device_printf(dev, "Could not add USB device\n");
		goto error;
	}
	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
	device_set_desc(sc->sc_bus.bdev, EHCI_HC_DEVSTR);

sprintf(sc->sc_vendor, "Qualcomm");

err = bus_setup_intr(dev, esc->res[2], INTR_TYPE_BIO | INTR_MPSAFE,
	    NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
	if (err) {
		device_printf(dev, "Could not setup irq, %d\n", err);
		sc->sc_intr_hdl = NULL;
		goto error;
	}

sc->sc_flags |= EHCI_SCFLG_DONTRESET | EHCI_SCFLG_NORESTERM;

err = ehci_init(sc);
	if (!err) {
		sc->sc_flags |= EHCI_SCFLG_DONEINIT;
		err = device_probe_and_attach(sc->sc_bus.bdev);
	}

if (err) {
		device_printf(dev, "USB init failed err=%d\n", err);
		goto error;
	}
	return (0);

error:
	ehci_msm_detach(dev);
	return (ENXIO);
}

static int
ehci_msm_detach(device_t dev)
{
	ehci_softc_t *sc;
	device_t bdev;
	int err;

sc = device_get_softc(dev);

if (sc->sc_bus.bdev) {
		bdev = sc->sc_bus.bdev;
		device_detach(bdev);
		device_delete_child(dev, bdev);
	}

device_delete_children(dev);

if (sc->sc_irq_res && sc->sc_intr_hdl) {
		/* only call ehci_detach() after ehci_init() */
		ehci_detach(sc);

err = bus_teardown_intr(dev, sc->sc_irq_res, sc->sc_intr_hdl);
		if (err)
			device_printf(dev, "Could not tear down irq, %d\n",
			    err);
		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, &ehci_iterate_hw_softc);

return (0);
}

static device_method_t ehci_methods[] = {
	/* Device interface */
	DEVMETHOD(device_probe,		ehci_msm_probe),
	DEVMETHOD(device_attach,	ehci_msm_attach),
	DEVMETHOD(device_detach,	ehci_msm_detach),
	DEVMETHOD(device_suspend,	bus_generic_suspend),
	DEVMETHOD(device_resume,	bus_generic_resume),
	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
	DEVMETHOD_END
};

static driver_t ehci_driver = {
	.name = "ehci",
	.methods = ehci_methods,
	.size = sizeof(ehci_softc_t),
};

static devclass_t ehci_devclass;

DRIVER_MODULE(ehci_msm, simplebus, ehci_driver, ehci_devclass, 0, 0);
MODULE_DEPEND(ehci_msm, usb, 1, 1, 1);

003 File Manager

Editing: ehci_msm.c

Upload File

Create Folder