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/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpigen.h>
#include <acpi/acpigen_pci.h>
#include <assert.h>
#include <device/device.h>
#include <device/pci_def.h>
#include <device/pci_type.h>
#include <types.h>
void acpigen_write_ADR_pci_devfn(pci_devfn_t devfn)
{
/*
* _ADR for PCI Bus is encoded as follows:
* [63:32] - unused
* [31:16] - device #
* [15:0] - function #
*/
acpigen_write_ADR(PCI_SLOT(devfn) << 16 | PCI_FUNC(devfn));
}
void acpigen_write_ADR_pci_device(const struct device *dev)
{
assert(dev->path.type == DEVICE_PATH_PCI);
acpigen_write_ADR_pci_devfn(dev->path.pci.devfn);
}
void acpigen_write_PRT_GSI_entry(unsigned int pci_dev, unsigned int acpi_pin, unsigned int gsi)
{
acpigen_write_package(4);
acpigen_write_dword((pci_dev << 16) | 0xffff);
acpigen_write_byte(acpi_pin);
/* Source */
acpigen_write_byte(0);
/* Source Index */
acpigen_write_dword(gsi);
acpigen_pop_len(); /* Package */
}
void acpigen_write_PRT_source_entry(unsigned int pci_dev, unsigned int acpi_pin,
const char *source_path, unsigned int index)
{
acpigen_write_package(4);
acpigen_write_dword((pci_dev << 16) | 0xffff);
acpigen_write_byte(acpi_pin);
/* Source */
acpigen_emit_namestring(source_path);
/* Source Index */
acpigen_write_dword(index);
acpigen_pop_len(); /* Package */
}
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