freebsd-dev/sys/i386/include/acpica_osd.h
iwasaki 6a42dd0f83 Fix StallOp implementaion. I've noticed that StallOp corresponds to
OsdSleepUsec(), SleepOp corresponds to OsdSleep() by reading ACPICA
source code.
 - Add OsdSleepUsec() which uses DELAY() simply.
 - Change unit of acpi_sleep() argument; microseconds to milliseconds.
2000-10-02 08:58:50 +00:00

322 lines
7.4 KiB
C

/*-
* Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
* Copyright (c) 2000 Munehiro Matsuda <haro@tk.kubota.co.jp>
* 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.
*
* $Id: acpica_osd.h,v 1.3 2000/08/09 14:47:48 iwasaki Exp $
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/clock.h>
#include <machine/acpi_machdep.h>
#include <machine/vmparam.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include "pcib_if.h"
#ifdef ACPI_NO_OSDFUNC_INLINE
#define _ACPICA_INLINE_
#else
#define _ACPICA_INLINE_ static __inline
#endif
/*
* ACPICA compatibility
*/
static UINT32 OsdInX(ACPI_IO_ADDRESS, int);
static void OsdOutX(ACPI_IO_ADDRESS, UINT32, int);
/*
* New-bus dependent code
*/
static device_t get_pcib_device(void);
static __inline device_t
get_pcib_device()
{
device_t nexus, pcib;
if ((nexus = device_find_child(root_bus, "nexus", 0)) == NULL) {
return (NULL);
}
if ((pcib = device_find_child(nexus, "pcib", 0)) == NULL) {
return (NULL);
}
return (pcib);
}
/*
* Platform/Hardware independent I/O interfaces
*/
static __inline UINT32
OsdInX(ACPI_IO_ADDRESS InPort, int bytes)
{
bus_space_tag_t bst;
bus_space_handle_t bsh;
UINT32 retval;
bst = ACPI_BUS_SPACE_IO;
bsh = InPort;
switch (bytes) {
case 1:
retval = bus_space_read_1(bst, bsh, 0);
break;
case 2:
retval = bus_space_read_2(bst, bsh, 0);
break;
case 4:
retval = bus_space_read_4(bst, bsh, 0);
break;
default:
printf("OsdInX: wrong length to read\n");
retval = 0;
}
return (retval);
}
_ACPICA_INLINE_ UINT8
OsdIn8(ACPI_IO_ADDRESS InPort)
{
return (OsdInX(InPort, 1) & 0xff);
}
_ACPICA_INLINE_ UINT16
OsdIn16(ACPI_IO_ADDRESS InPort)
{
return (OsdInX(InPort, 2) & 0xffff);
}
_ACPICA_INLINE_ UINT32
OsdIn32(ACPI_IO_ADDRESS InPort)
{
return (OsdInX(InPort, 4));
}
static __inline void
OsdOutX(ACPI_IO_ADDRESS OutPort, UINT32 Value, int bytes)
{
bus_space_tag_t bst;
bus_space_handle_t bsh;
bst = ACPI_BUS_SPACE_IO;
bsh = OutPort;
switch (bytes) {
case 1:
bus_space_write_1(bst, bsh, 0, Value & 0xff);
break;
case 2:
bus_space_write_2(bst, bsh, 0, Value & 0xffff);
break;
case 4:
bus_space_write_4(bst, bsh, 0, Value);
break;
default:
printf("OsdOutX: wrong length to write\n");
}
}
_ACPICA_INLINE_ void
OsdOut8(ACPI_IO_ADDRESS OutPort, UINT8 Value)
{
OsdOutX(OutPort, Value, 1);
}
_ACPICA_INLINE_ void
OsdOut16(ACPI_IO_ADDRESS OutPort, UINT16 Value)
{
OsdOutX(OutPort, Value, 2);
}
_ACPICA_INLINE_ void
OsdOut32(ACPI_IO_ADDRESS OutPort, UINT32 Value)
{
OsdOutX(OutPort, Value, 4);
}
_ACPICA_INLINE_ ACPI_STATUS
OsdMapMemory(void *PhysicalAddress, UINT32 Length, void **LogicalAddress)
{
vm_offset_t PhysicalEnd;
vm_offset_t PhysicalOffs;
PhysicalEnd = (vm_offset_t)PhysicalAddress + Length;
if (PhysicalEnd < 1024 * 1024) {
/*
* The first 1Mb is mapped at KERNBASE.
*/
*LogicalAddress = (void *)(uintptr_t)
(KERNBASE + (vm_offset_t)PhysicalAddress);
} else {
PhysicalOffs = (vm_offset_t)PhysicalAddress -
trunc_page((vm_offset_t)PhysicalAddress);
*LogicalAddress = (caddr_t)
pmap_mapdev((vm_offset_t)PhysicalAddress - PhysicalOffs,
Length + PhysicalOffs) +
PhysicalOffs;
}
return (AE_OK);
}
_ACPICA_INLINE_ void
OsdUnMapMemory(void *LogicalAddress, UINT32 Length)
{
if ((vm_offset_t)LogicalAddress + Length - KERNBASE >= 1024 * 1024) {
pmap_unmapdev((vm_offset_t)LogicalAddress, Length);
}
}
/*
* Standard access to PCI configuration space
*/
static __inline ACPI_STATUS
OsdReadPciCfg(UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT32 *Value, int bytes)
{
static device_t pcib = NULL;
if (pcib == NULL && (pcib = get_pcib_device()) == NULL) {
return (AE_ERROR);
}
*Value = PCIB_READ_CONFIG(pcib, Bus, (DeviceFunction >> 16) & 0xff,
DeviceFunction & 0xff, Register, bytes);
return (AE_OK);
}
_ACPICA_INLINE_ ACPI_STATUS
OsdReadPciCfgByte(UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT8 *Value)
{
ACPI_STATUS status;
UINT32 tmp;
status = OsdReadPciCfg(Bus, DeviceFunction, Register, &tmp, 1);
*Value = tmp & 0xff;
return (status);
}
_ACPICA_INLINE_ ACPI_STATUS
OsdReadPciCfgWord(UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT16 *Value)
{
ACPI_STATUS status;
UINT32 tmp;
status = OsdReadPciCfg(Bus, DeviceFunction, Register, &tmp, 2);
*Value = tmp & 0xffff;
return (status);
}
_ACPICA_INLINE_ ACPI_STATUS
OsdReadPciCfgDword(UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT32 *Value)
{
ACPI_STATUS status;
UINT32 tmp;
status = OsdReadPciCfg(Bus, DeviceFunction, Register, &tmp, 2);
*Value = tmp;
return (status);
}
static __inline ACPI_STATUS
OsdWritePciCfg(UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT32 Value, int bytes)
{
static device_t pcib = NULL;
if (pcib == NULL && (pcib = get_pcib_device()) == NULL) {
return (AE_ERROR);
}
PCIB_WRITE_CONFIG(pcib, Bus, (DeviceFunction >> 16) & 0xff,
DeviceFunction & 0xff, Register, Value, bytes);
return (AE_OK);
}
_ACPICA_INLINE_ ACPI_STATUS
OsdWritePciCfgByte(UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT8 Value)
{
return (OsdWritePciCfg(Bus, DeviceFunction, Register, (UINT32) Value, 1));
}
_ACPICA_INLINE_ ACPI_STATUS
OsdWritePciCfgWord(UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT16 Value)
{
return (OsdWritePciCfg(Bus, DeviceFunction, Register, (UINT32) Value, 2));
}
_ACPICA_INLINE_ ACPI_STATUS
OsdWritePciCfgDword(UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT32 Value)
{
return (OsdWritePciCfg(Bus, DeviceFunction, Register, Value, 4));
}
_ACPICA_INLINE_ ACPI_STATUS
OsdSleep(UINT32 Seconds, UINT32 Milliseconds)
{
int error;
ACPI_STATUS status;
error = acpi_sleep(Seconds * 1000 + Milliseconds);
switch (error) {
case 0:
/* The running thread slept for the time specified */
status = AE_OK;
break;
case 1:
/* TBD!!!! */
status = AE_BAD_PARAMETER;
break;
case 2:
default:
/* The running thread did not slept because of a host OS error */
status = AE_ERROR;
break;
}
return (status);
}
_ACPICA_INLINE_ ACPI_STATUS
OsdSleepUsec(UINT32 Microseconds)
{
if (Microseconds == 0) {
return (AE_BAD_PARAMETER);
}
DELAY(Microseconds);
return (AE_OK);
}