/* 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 */ }