diff options
| author | Lingbo Kong <quic_lingbok@quicinc.com> | 2024-04-22 11:30:50 +0800 |
|---|---|---|
| committer | Kalle Valo <quic_kvalo@quicinc.com> | 2024-04-23 12:29:14 +0300 |
| commit | 576771c9fa21a38bcf390b5ecc610441574e5014 (patch) | |
| tree | c1fea1fe3cabbb7882449555f8c04b94ab4a0d54 /drivers/net/wireless/ath/ath12k/wmi.c | |
| parent | 2b00284589962c8b94a8ee584651291e86847807 (diff) | |
wifi: ath12k: ACPI TAS support
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
Diffstat (limited to 'drivers/net/wireless/ath/ath12k/wmi.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/wmi.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index ad94548960cc..511c1e9a2d89 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -2723,6 +2723,50 @@ int ath12k_wmi_send_dfs_phyerr_offload_enable_cmd(struct ath12k *ar, return ret; } +int ath12k_wmi_set_bios_cmd(struct ath12k_base *ab, u32 param_id, + const u8 *buf, size_t buf_len) +{ + struct ath12k_wmi_base *wmi_ab = &ab->wmi_ab; + struct wmi_pdev_set_bios_interface_cmd *cmd; + struct wmi_tlv *tlv; + struct sk_buff *skb; + u8 *ptr; + u32 len, len_aligned; + int ret; + + len_aligned = roundup(buf_len, sizeof(u32)); + len = sizeof(*cmd) + TLV_HDR_SIZE + len_aligned; + + skb = ath12k_wmi_alloc_skb(wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_pdev_set_bios_interface_cmd *)skb->data; + cmd->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_PDEV_SET_BIOS_INTERFACE_CMD, + sizeof(*cmd)); + cmd->pdev_id = cpu_to_le32(WMI_PDEV_ID_SOC); + cmd->param_type_id = cpu_to_le32(param_id); + cmd->length = cpu_to_le32(buf_len); + + ptr = skb->data + sizeof(*cmd); + tlv = (struct wmi_tlv *)ptr; + tlv->header = ath12k_wmi_tlv_hdr(WMI_TAG_ARRAY_BYTE, len_aligned); + ptr += TLV_HDR_SIZE; + memcpy(ptr, buf, buf_len); + + ret = ath12k_wmi_cmd_send(&wmi_ab->wmi[0], + skb, + WMI_PDEV_SET_BIOS_INTERFACE_CMDID); + if (ret) { + ath12k_warn(ab, + "failed to send WMI_PDEV_SET_BIOS_INTERFACE_CMDID parameter id %d: %d\n", + param_id, ret); + dev_kfree_skb(skb); + } + + return 0; +} + int ath12k_wmi_delba_send(struct ath12k *ar, u32 vdev_id, const u8 *mac, u32 tid, u32 initiator, u32 reason) { |