71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <acpi/acpi_device.h>
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#include <acpi/acpigen.h>
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#include <console/console.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include "chip.h"
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static void ish_fill_ssdt_generator(const struct device *dev)
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{
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struct drivers_intel_ish_config *config = dev->chip_info;
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struct device *root = dev->bus->dev;
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struct acpi_dp *dsd;
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if (!config || !config->firmware_name)
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return;
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acpigen_write_scope(acpi_device_path(root));
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dsd = acpi_dp_new_table("_DSD");
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acpi_dp_add_string(dsd, "firmware-name", config->firmware_name);
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acpi_dp_write(dsd);
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acpigen_pop_len(); /* Scope */
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printk(BIOS_INFO, "%s: Set firmware-name: %s\n",
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acpi_device_path(root), config->firmware_name);
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}
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static struct device_operations intel_ish_ops = {
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.read_resources = noop_read_resources,
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.set_resources = noop_set_resources,
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.acpi_fill_ssdt = ish_fill_ssdt_generator,
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};
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static void intel_ish_enable(struct device *dev)
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{
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/* This dev is a generic device that is a child to the ISH PCI device */
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dev->ops = &intel_ish_ops;
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}
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/* Copy of default_pci_ops_dev with scan_bus addition */
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static const struct device_operations pci_ish_device_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = pci_dev_init,
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.scan_bus = &scan_generic_bus, /* Non-default */
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.ops_pci = &pci_dev_ops_pci,
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};
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static const unsigned short pci_device_ids[] = {
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PCI_DEVICE_ID_INTEL_CNL_ISHB,
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PCI_DEVICE_ID_INTEL_CML_ISHB,
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PCI_DEVICE_ID_INTEL_TGL_ISHB,
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PCI_DEVICE_ID_INTEL_TGL_H_ISHB,
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0
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};
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static const struct pci_driver ish_intel_driver __pci_driver = {
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.ops = &pci_ish_device_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.devices = pci_device_ids,
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};
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struct chip_operations drivers_intel_ish_ops = {
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CHIP_NAME("Intel ISH Chip")
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.enable_dev = intel_ish_enable,
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};
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