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Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts.
127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2001 M. Warner Losh. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <machine/resource.h>
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#include <isa/isavar.h>
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#include <dev/uart/uart.h>
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#include <dev/uart/uart_bus.h>
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#include <dev/uart/uart_cpu_acpi.h>
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#ifdef __aarch64__
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#include <contrib/dev/acpica/include/acpi.h>
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#include <contrib/dev/acpica/include/accommon.h>
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#include <dev/acpica/acpivar.h>
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#endif
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static int uart_acpi_probe(device_t dev);
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static device_method_t uart_acpi_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, uart_acpi_probe),
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DEVMETHOD(device_attach, uart_bus_attach),
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DEVMETHOD(device_detach, uart_bus_detach),
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DEVMETHOD(device_resume, uart_bus_resume),
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{ 0, 0 }
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};
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static driver_t uart_acpi_driver = {
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uart_driver_name,
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uart_acpi_methods,
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sizeof(struct uart_softc),
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};
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#if defined(__i386__) || defined(__amd64__)
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static struct isa_pnp_id acpi_ns8250_ids[] = {
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{0x0005d041, "Standard PC COM port"}, /* PNP0500 */
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{0x0105d041, "16550A-compatible COM port"}, /* PNP0501 */
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{0x0205d041, "Multiport serial device (non-intelligent 16550)"}, /* PNP0502 */
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{0x1005d041, "Generic IRDA-compatible device"}, /* PNP0510 */
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{0x1105d041, "Generic IRDA-compatible device"}, /* PNP0511 */
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{0x04f0235c, "Wacom Tablet PC Screen"}, /* WACF004 */
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{0x0ef0235c, "Wacom Tablet PC Screen 00e"}, /* WACF00e */
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{0xe502aa1a, "Wacom Tablet at FuS Lifebook T"}, /* FUJ02E5 */
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{0}
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};
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#endif
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#ifdef __aarch64__
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static struct uart_class *
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uart_acpi_find_device(device_t dev)
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{
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struct acpi_uart_compat_data **cd;
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ACPI_HANDLE h;
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if ((h = acpi_get_handle(dev)) == NULL)
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return (NULL);
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SET_FOREACH(cd, uart_acpi_class_and_device_set) {
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if (acpi_MatchHid(h, (*cd)->hid)) {
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return ((*cd)->clas);
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}
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}
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return (NULL);
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}
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#endif
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static int
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uart_acpi_probe(device_t dev)
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{
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struct uart_softc *sc;
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device_t parent;
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parent = device_get_parent(dev);
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sc = device_get_softc(dev);
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#if defined(__i386__) || defined(__amd64__)
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if (!ISA_PNP_PROBE(parent, dev, acpi_ns8250_ids)) {
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sc->sc_class = &uart_ns8250_class;
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return (uart_bus_probe(dev, 0, 0, 0, 0, 0));
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}
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/* Add checks for non-ns8250 IDs here. */
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#elif defined(__aarch64__)
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if ((sc->sc_class = uart_acpi_find_device(dev)) != NULL)
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return (uart_bus_probe(dev, 2, 0, 0, 0, 0));
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#endif
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return (ENXIO);
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}
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DRIVER_MODULE(uart, acpi, uart_acpi_driver, uart_devclass, 0, 0);
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