Differential D32256 Diff 96068 sys/dev/usb/controller/dwc3_acpi.c

Changeset View

Standalone View

sys/dev/usb/controller/dwc3_acpi.c

This file was added.

				/*-
				* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
				*
				* Copyright (c) 2019 Emmanuel Vadot <manu@FreeBSD.Org>
				* Copyright (c) 2021 Bjoern A. Zeeb <bz@FreeBSD.ORG>
				*
				* 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.
				*
				* $FreeBSD$
				*
				*/

				#include <sys/cdefs.h>
				__FBSDID("$FreeBSD$");

				#include "opt_acpi.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 <sys/gpio.h>
				#include <machine/bus.h>

				#include <contrib/dev/acpica/include/acpi.h>
				#include <contrib/dev/acpica/include/accommon.h>

				#include <dev/acpica/acpivar.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/xhci.h>
				#include <dev/usb/controller/dwc3.h>

				#include "generic_xhci.h"

				#define IS_DMA_32B 1

				struct snps_dwc3_acpi_softc {
				struct snps_dwc3_common_softc csc;
				};

				static char *dwc3_acpi_ids[] = {
				"808622B7",
				NULL
				};

				static int
				snps_dwc3_acpi_probe(device_t dev)
				{
				int rc;

				if (acpi_disabled("snps_dwc3"))
				return (ENXIO);

				rc = ACPI_ID_PROBE(device_get_parent(dev), dev, dwc3_acpi_ids, NULL);
				if (rc > 0)
				return (rc);

				return (snps_dwc3_probe_common(dev));
				}

				static int
				snps_dwc3_acpi_attach(device_t dev)
				{
				struct snps_dwc3_acpi_softc *sc;
				struct snps_dwc3_common_softc *csc;
				int rid = 0;

				sc = device_get_softc(dev);
				csc = &sc->csc;
				csc->dev = dev;

				csc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
				RF_ACTIVE);
				if (csc->mem_res == NULL) {
				device_printf(dev, "Failed to map memory\n");
				return (ENXIO);
				}
				csc->bst = rman_get_bustag(csc->mem_res);
				csc->bsh = rman_get_bushandle(csc->mem_res);

				if (bootverbose)
				device_printf(dev, "snps id: %x\n", DWC3_READ(csc, DWC3_GSNPSID));

				snps_dwc3_reset(csc);
				snps_dwc3_configure_host(csc);
				snps_dwc3_do_quirks(csc);
				#if 0
				snsp_dwc3_dump_regs(csc);
				#endif
				snps_dwc3_attach_xhci(csc);

				return (0);
				}

				static device_method_t snps_dwc3_acpi_methods[] = {
				/* Device interface */
				DEVMETHOD(device_probe, snps_dwc3_acpi_probe),
				DEVMETHOD(device_attach, snps_dwc3_acpi_attach),

				DEVMETHOD_END
				};

				DEFINE_CLASS_1(xhci, snps_dwc3_acpi_driver, snps_dwc3_acpi_methods,
				sizeof(struct snps_dwc3_acpi_softc), generic_xhci_driver);

				static devclass_t snps_dwc3_acpi_devclass;

				DRIVER_MODULE(snps_dwc3_acpi, acpi, snps_dwc3_acpi_driver,
				snps_dwc3_acpi_devclass, 0, 0);
				MODULE_DEPEND(snps_dwc3_acpi, usb, 1, 1, 1);