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/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi_device.h>
#include <acpi/acpigen.h>
#include <cbmem.h>
#include <console/console.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <intelblocks/cse.h>
#include "chip.h"
static void ish_fill_ssdt_generator(const struct device *dev)
{
struct drivers_intel_ish_config *config = dev->chip_info;
struct device *root = dev->bus->dev;
struct acpi_dp *dsd;
if (!config)
return;
acpigen_write_scope(acpi_device_path(root));
dsd = acpi_dp_new_table("_DSD");
if (config->firmware_name) {
acpi_dp_add_string(dsd, "firmware-name", config->firmware_name);
printk(BIOS_INFO, "%s: Set firmware-name: %s\n",
acpi_device_path(root), config->firmware_name);
}
if (config->add_acpi_dma_property)
acpi_device_add_dma_property(dsd);
acpi_dp_write(dsd);
acpigen_pop_len(); /* Scope */
}
static struct device_operations intel_ish_ops = {
.read_resources = noop_read_resources,
.set_resources = noop_set_resources,
.acpi_fill_ssdt = ish_fill_ssdt_generator,
};
static void intel_ish_enable(struct device *dev)
{
/* This dev is a generic device that is a child to the ISH PCI device */
dev->ops = &intel_ish_ops;
}
static void intel_ish_get_version(void)
{
struct cse_specific_info *info = cbmem_find(CBMEM_ID_CSE_INFO);
if (info == NULL)
return;
printk(BIOS_DEBUG, "ISH version: %d.%d.%d.%d\n",
info->cse_fwp_version.ish_partition_info.cur_ish_fw_version.major,
info->cse_fwp_version.ish_partition_info.cur_ish_fw_version.minor,
info->cse_fwp_version.ish_partition_info.cur_ish_fw_version.hotfix,
info->cse_fwp_version.ish_partition_info.cur_ish_fw_version.build);
}
static void intel_ish_final(struct device *dev)
{
if (CONFIG(SOC_INTEL_STORE_ISH_FW_VERSION))
intel_ish_get_version();
}
/* Copy of default_pci_ops_dev with scan_bus addition */
static const struct device_operations pci_ish_device_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = pci_dev_init,
.scan_bus = &scan_generic_bus, /* Non-default */
.ops_pci = &pci_dev_ops_pci,
.final = intel_ish_final,
};
static const unsigned short pci_device_ids[] = {
PCI_DID_INTEL_LNL_ISHB,
PCI_DID_INTEL_MTL_ISHB,
PCI_DID_INTEL_CNL_ISHB,
PCI_DID_INTEL_CML_ISHB,
PCI_DID_INTEL_TGL_ISHB,
PCI_DID_INTEL_TGL_H_ISHB,
PCI_DID_INTEL_ADL_N_ISHB,
PCI_DID_INTEL_ADL_P_ISHB,
0
};
static const struct pci_driver ish_intel_driver __pci_driver = {
.ops = &pci_ish_device_ops,
.vendor = PCI_VID_INTEL,
.devices = pci_device_ids,
};
struct chip_operations drivers_intel_ish_ops = {
CHIP_NAME("Intel ISH Chip")
.enable_dev = intel_ish_enable,
};
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