freebsd-dev/sys/dev/acpica/Osd/OsdHardware.c
Jung-uk Kim e787342e25 Redo r332918 with the ACPICA API and remove debug.acpi.suspend_deep_bounce.
AcpiOsEnterSleep() was meant to implement this feature.

Reviewed by:	avg
2018-05-03 19:00:50 +00:00

144 lines
3.6 KiB
C

/*-
* Copyright (c) 2000, 2001 Michael Smith
* Copyright (c) 2000 BSDi
* 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 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.
*/
/*
* 6.7 : Hardware Abstraction
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <contrib/dev/acpica/include/acpi.h>
#include <machine/iodev.h>
#include <machine/pci_cfgreg.h>
extern int acpi_susp_bounce;
ACPI_STATUS
AcpiOsEnterSleep(UINT8 SleepState, UINT32 RegaValue, UINT32 RegbValue)
{
/* If testing device suspend only, back out of everything here. */
if (acpi_susp_bounce)
return (AE_CTRL_TERMINATE);
return (AE_OK);
}
/*
* ACPICA's rather gung-ho approach to hardware resource ownership is a little
* troublesome insofar as there is no easy way for us to know in advance
* exactly which I/O resources it's going to want to use.
*
* In order to deal with this, we ignore resource ownership entirely, and simply
* use the native I/O space accessor functionality. This is Evil, but it works.
*/
ACPI_STATUS
AcpiOsReadPort(ACPI_IO_ADDRESS InPort, UINT32 *Value, UINT32 Width)
{
switch (Width) {
case 8:
*Value = iodev_read_1(InPort);
break;
case 16:
*Value = iodev_read_2(InPort);
break;
case 32:
*Value = iodev_read_4(InPort);
break;
}
return (AE_OK);
}
ACPI_STATUS
AcpiOsWritePort(ACPI_IO_ADDRESS OutPort, UINT32 Value, UINT32 Width)
{
switch (Width) {
case 8:
iodev_write_1(OutPort, Value);
break;
case 16:
iodev_write_2(OutPort, Value);
break;
case 32:
iodev_write_4(OutPort, Value);
break;
}
return (AE_OK);
}
ACPI_STATUS
AcpiOsReadPciConfiguration(ACPI_PCI_ID *PciId, UINT32 Register, UINT64 *Value,
UINT32 Width)
{
#ifdef __aarch64__
/* ARM64TODO: Add pci support */
return (AE_SUPPORT);
#else
if (Width == 64)
return (AE_SUPPORT);
if (!pci_cfgregopen())
return (AE_NOT_EXIST);
*(UINT64 *)Value = pci_cfgregread(PciId->Bus, PciId->Device,
PciId->Function, Register, Width / 8);
return (AE_OK);
#endif
}
ACPI_STATUS
AcpiOsWritePciConfiguration (ACPI_PCI_ID *PciId, UINT32 Register,
UINT64 Value, UINT32 Width)
{
#ifdef __aarch64__
/* ARM64TODO: Add pci support */
return (AE_SUPPORT);
#else
if (Width == 64)
return (AE_SUPPORT);
if (!pci_cfgregopen())
return (AE_NOT_EXIST);
pci_cfgregwrite(PciId->Bus, PciId->Device, PciId->Function, Register,
Value, Width / 8);
return (AE_OK);
#endif
}