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data file
Currently, ath12k does not support reading variant from ACPI board data
filename extension for downloading board data file.
To address this issue, obtain the string of the ACPI data filename
extension and use it as part of the string to search for the board data
file from board-2.bin.
This patch will not affect QCN9274, because only WCN7850 supports ACPI.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Lingbo Kong <quic_lingbok@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20250113074810.29729-5-quic_lingbok@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Currently, the timing for accessing the ACPI table is inappropriate.
Due to special ACPI requirements, the ACPI table must be obtained before
downloading the board data file. Therefore, adjust the timing for accessing
the ACPI table accordingly.
This patch will not affect QCN9274, because only WCN7850 supports ACPI.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Lingbo Kong <quic_lingbok@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20250113074810.29729-4-quic_lingbok@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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on ACPI bitflag
Currently, ath12k does not support enable or disable specific features by
ACPI bitflag.
To address this issue, obtain the ACPI bitflag value and use it to
selectively enable or disable specific features.
This patch will not affect QCN9274, because only WCN7850 supports ACPI.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Lingbo Kong <quic_lingbok@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20250113074810.29729-3-quic_lingbok@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Currently, ath12k does not support obtaining the buffer type ACPI function
bitmap.
To solve this issue, change the code to support obtaining the buffer type
ACPI function bitmap.
This patch will not affect QCN9274, because only WCN7850 supports ACPI.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Lingbo Kong <quic_lingbok@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20250113074810.29729-2-quic_lingbok@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Currently ACPI notification handler is installed when driver loads and only
gets removed when driver unloads. During resume after firmware is reloaded,
ath12k tries to install it by default. Since it is installed already, ACPI
subsystem rejects it and returns an error:
[ 83.094206] ath12k_pci 0000:03:00.0: failed to install DSM notify callback: 7
Fix it by removing that handler when going to suspend. This also avoid any
possible ACPI call to firmware before firmware is reloaded/reinitialized.
Note ab->acpi also needs to be cleared in ath12k_acpi_stop() such that we
are in a clean state when ACPI structures are reinitialized in
ath12k_acpi_start().
Tested-on: WCN7850 HW2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Fixes: 576771c9fa21 ("wifi: ath12k: ACPI TAS support")
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240531024000.9291-1-quic_bqiang@quicinc.com
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Currently, ath12k does not have the ability to set band edge channel power
for WCN7850. In order to support this, ath12k gets band edge channel power
table in ath12k_acpi_dsm_get_data() function and sets pdev_id and
param_type_id, then finally sends these data and
WMI_PDEV_SET_BIOS_INTERFACE_CMDID to firmware to set band edge channel
power.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Lingbo Kong <quic_lingbok@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240422033054.979-5-quic_lingbok@quicinc.com
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Currently, ath12k does not have the ability to adjust Clear Channel Assessment
(CCA) threshold values to meet the regulatory requirements. Get the values from
ACPI and send them to the firmware using ath12k_wmi_set_bios_cmd() function.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Lingbo Kong <quic_lingbok@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240422033054.979-4-quic_lingbok@quicinc.com
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In order to enable ACPI SAR (Specific Absorption Rate), ath12k gets SAR and GEO
offset tables from ACPI and sends the data to firmware using
WMI_PDEV_SET_BIOS_SAR_TABLE_CMDID and WMI_PDEV_SET_BIOS_GEO_TABLE_CMDID
commands.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Lingbo Kong <quic_lingbok@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240422033054.979-3-quic_lingbok@quicinc.com
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Currently, ath12k does not support Time-Average-SAR (TAS). In order to enable
TAS read the tables from ACPI and send them to the firmware using
WMI_PDEV_SET_BIOS_INTERFACE_CMDID command. Besides, ath12k registers an ACPI
event callback so that ACPI can notify ath12k to get the updated SAR power
table and sends it to the firmware when the device state is changed.
ACPI is only enabled for WCN7850 using struct ath12k_hw_params::acpi_guid
field. Most likely QCN9274 will never support ACPI as the chip is not used in
laptops.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Lingbo Kong <quic_lingbok@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240422033054.979-2-quic_lingbok@quicinc.com
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