diff options
Diffstat (limited to 'drivers/platform/x86/intel/pmc/core.c')
| -rw-r--r-- | drivers/platform/x86/intel/pmc/core.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c index e95105ad1243..ac446b0f2192 100644 --- a/drivers/platform/x86/intel/pmc/core.c +++ b/drivers/platform/x86/intel/pmc/core.c @@ -1106,6 +1106,51 @@ int get_primary_reg_base(struct pmc *pmc) return 0; } +void pmc_core_punit_pmt_init(struct pmc_dev *pmcdev, u32 guid) +{ + struct telem_endpoint *ep; + struct pci_dev *pcidev; + + pcidev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(10, 0)); + if (!pcidev) { + dev_err(&pmcdev->pdev->dev, "PUNIT PMT device not found."); + return; + } + + ep = pmt_telem_find_and_register_endpoint(pcidev, guid, 0); + pci_dev_put(pcidev); + if (IS_ERR(ep)) { + dev_err(&pmcdev->pdev->dev, + "pmc_core: couldn't get DMU telem endpoint %ld", + PTR_ERR(ep)); + return; + } + + pmcdev->punit_ep = ep; + + pmcdev->has_die_c6 = true; + pmcdev->die_c6_offset = MTL_PMT_DMU_DIE_C6_OFFSET; +} + +void pmc_core_set_device_d3(unsigned int device) +{ + struct pci_dev *pcidev; + + pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, device, NULL); + if (pcidev) { + if (!device_trylock(&pcidev->dev)) { + pci_dev_put(pcidev); + return; + } + if (!pcidev->dev.driver) { + dev_info(&pcidev->dev, "Setting to D3hot\n"); + pci_set_power_state(pcidev, PCI_D3hot); + } + device_unlock(&pcidev->dev); + pci_dev_put(pcidev); + } +} + static bool pmc_core_is_pson_residency_enabled(struct pmc_dev *pmcdev) { struct platform_device *pdev = pmcdev->pdev; |