acpi/osl/osl_hardware.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSBSPsX8664AMD64
0007  *
0008  * @ingroup RTEMSBSPsX8664AMD64EFI
0009  *
0010  * @brief ACPICA OS Services Layer interfaces
0011  */
0012
0013 /*
0014  * Copyright (C) 2024 Matheus Pecoraro
0015  *
0016  * Redistribution and use in source and binary forms, with or without
0017  * modification, are permitted provided that the following conditions
0018  * are met:
0019  * 1. Redistributions of source code must retain the above copyright
0020  *    notice, this list of conditions and the following disclaimer.
0021  * 2. Redistributions in binary form must reproduce the above copyright
0022  *    notice, this list of conditions and the following disclaimer in the
0023  *    documentation and/or other materials provided with the distribution.
0024  *
0025  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0026  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0027  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0028  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0029  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0030  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0031  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0032  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0033  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0034  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0035  * POSSIBILITY OF SUCH DAMAGE.
0036  */
0037
0038 #include <acpi/acpica/acpi.h>
0039 #include <rtems/score/cpu.h>
0040
0041 ACPI_STATUS AcpiOsReadPort(ACPI_IO_ADDRESS InPort, UINT32* Value, UINT32 Width)
0042 {
0043   switch (Width) {
0044     case 8:
0045       *Value = inport_byte((uint16_t) InPort);
0046       break;
0047     case 16:
0048       *Value = inport_word((uint16_t) InPort);
0049       break;
0050     case 32:
0051       *Value = inport_long((uint16_t) InPort);
0052       break;
0053     default:
0054       return (AE_BAD_PARAMETER);
0055   }
0056
0057   return (AE_OK);
0058 }
0059
0060 ACPI_STATUS AcpiOsWritePort(ACPI_IO_ADDRESS OutPort, UINT32 Value, UINT32 Width)
0061 {
0062   switch (Width) {
0063     case 8:
0064       outport_byte((uint16_t) OutPort, (uint8_t) Value);
0065       break;
0066     case 16:
0067       outport_word((uint16_t) OutPort, (uint16_t) Value);
0068       break;
0069     case 32:
0070       outport_long((uint16_t) OutPort, Value);
0071       break;
0072     default:
0073       return (AE_BAD_PARAMETER);
0074   }
0075
0076   return (AE_OK);
0077 }
0078
0079 ACPI_STATUS AcpiOsReadPciConfiguration(
0080   ACPI_PCI_ID *PciId,
0081   UINT32 Register,
0082   UINT64 *Value,
0083   UINT32 Width
0084 )
0085 {
0086   return (AE_SUPPORT);
0087 }
0088
0089 ACPI_STATUS AcpiOsWritePciConfiguration(
0090   ACPI_PCI_ID *PciId,
0091   UINT32 Register,
0092   UINT64 Value,
0093   UINT32 Width
0094 )
0095 {
0096   return (AE_SUPPORT);
0097 }