mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-15 10:17:20 +00:00
151ba7933a
This reduces noise when kernel is compiled by newer GCC versions, such as one used by external toolchain ports. Reviewed by: kib, andrew(sys/arm and sys/arm64), emaste(partial), erj(partial) Reviewed by: jhb (sys/dev/pci/* sys/kern/vfs_aio.c and sys/kern/kern_synch.c) Differential Revision: https://reviews.freebsd.org/D10385
126 lines
3.7 KiB
C
126 lines
3.7 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
*
|
|
* Copyright (c) 2001 M. Warner Losh. All rights reserved.
|
|
*
|
|
* 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 ``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 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/conf.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <machine/bus.h>
|
|
#include <sys/rman.h>
|
|
#include <machine/resource.h>
|
|
|
|
#include <isa/isavar.h>
|
|
|
|
#include <dev/uart/uart.h>
|
|
#include <dev/uart/uart_bus.h>
|
|
#include <dev/uart/uart_cpu_acpi.h>
|
|
|
|
#ifdef __aarch64__
|
|
#include <contrib/dev/acpica/include/acpi.h>
|
|
#include <contrib/dev/acpica/include/accommon.h>
|
|
#include <dev/acpica/acpivar.h>
|
|
#endif
|
|
|
|
static int uart_acpi_probe(device_t dev);
|
|
|
|
static device_method_t uart_acpi_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, uart_acpi_probe),
|
|
DEVMETHOD(device_attach, uart_bus_attach),
|
|
DEVMETHOD(device_detach, uart_bus_detach),
|
|
DEVMETHOD(device_resume, uart_bus_resume),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t uart_acpi_driver = {
|
|
uart_driver_name,
|
|
uart_acpi_methods,
|
|
sizeof(struct uart_softc),
|
|
};
|
|
|
|
#if defined(__i386__) || defined(__amd64__)
|
|
static struct isa_pnp_id acpi_ns8250_ids[] = {
|
|
{0x0005d041, "Standard PC COM port"}, /* PNP0500 */
|
|
{0x0105d041, "16550A-compatible COM port"}, /* PNP0501 */
|
|
{0x0205d041, "Multiport serial device (non-intelligent 16550)"}, /* PNP0502 */
|
|
{0x1005d041, "Generic IRDA-compatible device"}, /* PNP0510 */
|
|
{0x1105d041, "Generic IRDA-compatible device"}, /* PNP0511 */
|
|
{0x04f0235c, "Wacom Tablet PC Screen"}, /* WACF004 */
|
|
{0x0ef0235c, "Wacom Tablet PC Screen 00e"}, /* WACF00e */
|
|
{0xe502aa1a, "Wacom Tablet at FuS Lifebook T"}, /* FUJ02E5 */
|
|
{0}
|
|
};
|
|
#endif
|
|
|
|
#ifdef __aarch64__
|
|
static struct uart_class *
|
|
uart_acpi_find_device(device_t dev)
|
|
{
|
|
struct acpi_uart_compat_data **cd;
|
|
ACPI_HANDLE h;
|
|
|
|
if ((h = acpi_get_handle(dev)) == NULL)
|
|
return (NULL);
|
|
|
|
SET_FOREACH(cd, uart_acpi_class_and_device_set) {
|
|
if (acpi_MatchHid(h, (*cd)->hid)) {
|
|
return ((*cd)->clas);
|
|
}
|
|
}
|
|
|
|
return (NULL);
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
uart_acpi_probe(device_t dev)
|
|
{
|
|
struct uart_softc *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
#if defined(__i386__) || defined(__amd64__)
|
|
if (!ISA_PNP_PROBE(device_get_parent(dev), dev, acpi_ns8250_ids)) {
|
|
sc->sc_class = &uart_ns8250_class;
|
|
return (uart_bus_probe(dev, 0, 0, 0, 0, 0));
|
|
}
|
|
|
|
/* Add checks for non-ns8250 IDs here. */
|
|
#elif defined(__aarch64__)
|
|
if ((sc->sc_class = uart_acpi_find_device(dev)) != NULL)
|
|
return (uart_bus_probe(dev, 2, 0, 0, 0, 0));
|
|
#endif
|
|
|
|
return (ENXIO);
|
|
}
|
|
|
|
DRIVER_MODULE(uart, acpi, uart_acpi_driver, uart_devclass, 0, 0);
|