| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <acpi/acpigen.h> |
| #include <console/console.h> |
| #include <device/device.h> |
| #include "chip.h" |
| |
| static const char *dptf_acpi_name(const struct device *dev) |
| { |
| return "DPTF"; |
| } |
| |
| /* Add custom tables and methods to SSDT */ |
| static void dptf_fill_ssdt(const struct device *dev) |
| { |
| struct drivers_intel_dptf_config *config = dev->chip_info; |
| |
| printk(BIOS_INFO, "\\_SB.DPTF: %s at %s\n", dev->chip_ops->name, dev_path(dev)); |
| } |
| |
| /* Add static definitions of DPTF devices into the DSDT */ |
| static void dptf_inject_dsdt(const struct device *dev) |
| { |
| const struct drivers_intel_dptf_config *config; |
| |
| config = dev->chip_info; |
| acpigen_write_scope("\\_SB"); |
| |
| /* Toplevel DPTF device */ |
| acpigen_write_device(acpi_device_name(dev)); |
| acpigen_write_name("_HID"); |
| acpigen_emit_eisaid("INT3400"); |
| acpigen_write_name_integer("_UID", 0); |
| dptf_write_STA(); |
| |
| acpigen_pop_len(); /* DPTF Device */ |
| acpigen_pop_len(); /* Scope */ |
| } |
| |
| static struct device_operations dptf_ops = { |
| .read_resources = noop_read_resources, |
| .set_resources = noop_set_resources, |
| .acpi_name = dptf_acpi_name, |
| .acpi_fill_ssdt = dptf_fill_ssdt, |
| .acpi_inject_dsdt = dptf_inject_dsdt, |
| }; |
| |
| static void dptf_enable_dev(struct device *dev) |
| { |
| dev->ops = &dptf_ops; |
| } |
| |
| struct chip_operations drivers_intel_dptf_ops = { |
| CHIP_NAME("Intel DPTF") |
| .enable_dev = dptf_enable_dev, |
| }; |