On 4/18/2024 9:20 AM, Kalle Valo wrote: > From: Kalle Valo <quic_kvalo@xxxxxxxxxxx> > > Through reading ACPI tables, implement Time-Average-SAR(TAS), BIOS SAR, > configuration of CCA threshold and band edge channel power functionalities. > This is enabled only on WCN7850. > > TODO: > > * test with ACPI support in hardware (I don't have such hardware), especially > suspend and hibernation > > v8: > > * rebase to ath-202404181528 > * rewrite commit messages > * cleanup and improvements all over to match the ath12k style, including > error handling, naming and so on > * locate new place to call ath12k_acpi_[start|stop]() > * move wmi functions up in wmi.c file > * consolidate WMI functions using WMI_PDEV_SET_BIOS_INTERFACE_CMDID into ath12k_wmi_set_bios_cmd() > * ath12k_acpi_stop(): don't call acpi_remove_notify_handler() if we never installed the handler > > v7: https://patchwork.kernel.org/project/linux-wireless/cover/20231013114434.81648-1-quic_lingbok@xxxxxxxxxxx/ > > * adjust the length of line > * add cpu_to_le32() > > v6: > > * remove code that is not called > > v5: > > * rebase to the latest tag > > v4: > > * revise commit log using imperative voice > * delete guid_is_null() > > v3: > > * remove unnecessary cpu_to_le32() > * adjust the order of the macros > * apply jeff's advice > > v2: > > * put <linux/acpi.h> in the include guard > > Lingbo Kong (4): > wifi: ath12k: ACPI TAS support > wifi: ath12k: ACPI SAR support > wifi: ath12k: ACPI CCA threshold support > wifi: ath12k: ACPI band edge channel power support > > drivers/net/wireless/ath/ath12k/Makefile | 1 + > drivers/net/wireless/ath/ath12k/acpi.c | 394 +++++++++++++++++++++++ > drivers/net/wireless/ath/ath12k/acpi.h | 76 +++++ > drivers/net/wireless/ath/ath12k/core.c | 7 + > drivers/net/wireless/ath/ath12k/core.h | 18 ++ > drivers/net/wireless/ath/ath12k/hw.c | 10 + > drivers/net/wireless/ath/ath12k/hw.h | 3 + > drivers/net/wireless/ath/ath12k/wmi.c | 143 ++++++++ > drivers/net/wireless/ath/ath12k/wmi.h | 41 +++ > 9 files changed, 693 insertions(+) > create mode 100644 drivers/net/wireless/ath/ath12k/acpi.c > create mode 100644 drivers/net/wireless/ath/ath12k/acpi.h > > > base-commit: c416602943dd36fbd13af7496430723935c867a3 I can verify this doesn't crash my system, but apparently my ACPI doesn't have the underlying settings, so cannot verify actual functionality Apr 18 15:13:59 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: acpi_evaluate_dsm() failed Apr 18 15:13:59 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: failed to get ACPI DSM data: -2 Apr 18 15:13:59 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: acpi failed: -2 /jeff
