| /* 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 */ |
| } |