diff --git a/drivers/net/wireless/ath/ath12k/Makefile b/drivers/net/wireless/ath/ath12k/Makefile
index 7b8b3d7526c8..d42480db7463 100644
--- a/drivers/net/wireless/ath/ath12k/Makefile
+++ b/drivers/net/wireless/ath/ath12k/Makefile
@@ -24,6 +24,7 @@ ath12k-y += core.o \
 	    p2p.o
 
 ath12k-$(CONFIG_ATH12K_DEBUGFS) += debugfs.o
+ath12k-$(CONFIG_ACPI) += acpi.o
 ath12k-$(CONFIG_ATH12K_TRACING) += trace.o
 
 # for tracing framework to find trace.h
diff --git a/drivers/net/wireless/ath/ath12k/acpi.c b/drivers/net/wireless/ath/ath12k/acpi.c
new file mode 100644
index 000000000000..5904ff0a6f9c
--- /dev/null
+++ b/drivers/net/wireless/ath/ath12k/acpi.c
@@ -0,0 +1,216 @@
+// SPDX-License-Identifier: BSD-3-Clause-Clear
+/*
+ * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include "core.h"
+#include "acpi.h"
+#include "debug.h"
+
+static int ath12k_acpi_dsm_get_data(struct ath12k_base *ab, int func)
+{
+	union acpi_object *obj;
+	acpi_handle root_handle;
+	int ret;
+
+	root_handle = ACPI_HANDLE(ab->dev);
+	if (!root_handle) {
+		ath12k_dbg(ab, ATH12K_DBG_BOOT, "invalid acpi handler\n");
+		return -EOPNOTSUPP;
+	}
+
+	obj = acpi_evaluate_dsm(root_handle, ab->hw_params->acpi_guid, 0, func,
+				NULL);
+
+	if (!obj) {
+		ath12k_dbg(ab, ATH12K_DBG_BOOT, "acpi_evaluate_dsm() failed\n");
+		return -ENOENT;
+	}
+
+	if (obj->type == ACPI_TYPE_INTEGER) {
+		ab->acpi.func_bit = obj->integer.value;
+	} else if (obj->type == ACPI_TYPE_BUFFER) {
+		switch (func) {
+		case ATH12K_ACPI_DSM_FUNC_TAS_CFG:
+			if (obj->buffer.length != ATH12K_ACPI_DSM_TAS_CFG_SIZE) {
+				ath12k_warn(ab, "invalid ACPI DSM TAS config size: %d\n",
+					    obj->buffer.length);
+				ret = -EINVAL;
+				goto out;
+			}
+
+			memcpy(&ab->acpi.tas_cfg, obj->buffer.pointer,
+			       obj->buffer.length);
+
+			break;
+		case ATH12K_ACPI_DSM_FUNC_TAS_DATA:
+			if (obj->buffer.length != ATH12K_ACPI_DSM_TAS_DATA_SIZE) {
+				ath12k_warn(ab, "invalid ACPI DSM TAS data size: %d\n",
+					    obj->buffer.length);
+				ret = -EINVAL;
+				goto out;
+			}
+
+			memcpy(&ab->acpi.tas_sar_power_table, obj->buffer.pointer,
+			       obj->buffer.length);
+
+			break;
+		}
+	} else {
+		ath12k_warn(ab, "ACPI DSM method returned an unsupported object type: %d\n",
+			    obj->type);
+		ret = -EINVAL;
+		goto out;
+	}
+
+	ret = 0;
+
+out:
+	ACPI_FREE(obj);
+	return ret;
+}
+
+static int ath12k_acpi_set_power_limit(struct ath12k_base *ab)
+{
+	const u8 *tas_sar_power_table = ab->acpi.tas_sar_power_table;
+	int ret;
+
+	if (tas_sar_power_table[0] != ATH12K_ACPI_TAS_DATA_VERSION ||
+	    tas_sar_power_table[1] != ATH12K_ACPI_TAS_DATA_ENABLE) {
+		ath12k_warn(ab, "latest ACPI TAS data is invalid\n");
+		return -EINVAL;
+	}
+
+	ret = ath12k_wmi_set_bios_cmd(ab, WMI_BIOS_PARAM_TAS_DATA_TYPE,
+				      tas_sar_power_table,
+				      ATH12K_ACPI_DSM_TAS_DATA_SIZE);
+	if (ret) {
+		ath12k_warn(ab, "failed to send ACPI TAS data table: %d\n", ret);
+		return ret;
+	}
+
+	return ret;
+}
+
+static void ath12k_acpi_dsm_notify(acpi_handle handle, u32 event, void *data)
+{
+	int ret;
+	struct ath12k_base *ab = data;
+
+	if (event == ATH12K_ACPI_NOTIFY_EVENT) {
+		ath12k_warn(ab, "unknown acpi notify %u\n", event);
+		return;
+	}
+
+	if (!ab->acpi.acpi_tas_enable) {
+		ath12k_dbg(ab, ATH12K_DBG_BOOT, "acpi_tas_enable is false\n");
+		return;
+	}
+
+	ret = ath12k_acpi_dsm_get_data(ab, ATH12K_ACPI_DSM_FUNC_TAS_DATA);
+	if (ret) {
+		ath12k_warn(ab, "failed to update ACPI TAS data table: %d\n", ret);
+		return;
+	}
+
+	ret = ath12k_acpi_set_power_limit(ab);
+	if (ret) {
+		ath12k_warn(ab, "failed to set ACPI TAS power limit data: %d", ret);
+		return;
+	}
+}
+
+static int ath12k_acpi_set_tas_params(struct ath12k_base *ab)
+{
+	int ret;
+
+	ret = ath12k_wmi_set_bios_cmd(ab, WMI_BIOS_PARAM_TAS_CONFIG_TYPE,
+				      ab->acpi.tas_cfg,
+				      ATH12K_ACPI_DSM_TAS_CFG_SIZE);
+	if (ret) {
+		ath12k_warn(ab, "failed to send ACPI TAS config table parameter: %d\n",
+			    ret);
+		return ret;
+	}
+
+	ret = ath12k_wmi_set_bios_cmd(ab, WMI_BIOS_PARAM_TAS_DATA_TYPE,
+				      ab->acpi.tas_sar_power_table,
+				      ATH12K_ACPI_DSM_TAS_DATA_SIZE);
+	if (ret) {
+		ath12k_warn(ab, "failed to send ACPI TAS data table parameter: %d\n",
+			    ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+int ath12k_acpi_start(struct ath12k_base *ab)
+{
+	acpi_status status;
+	int ret;
+
+	if (!ab->hw_params->acpi_guid)
+		/* not supported with this hardware */
+		return 0;
+
+	ab->acpi.acpi_tas_enable = false;
+
+	ret = ath12k_acpi_dsm_get_data(ab, ATH12K_ACPI_DSM_FUNC_SUPPORT_FUNCS);
+	if (ret) {
+		ath12k_dbg(ab, ATH12K_DBG_BOOT, "failed to get ACPI DSM data: %d\n", ret);
+		return ret;
+	}
+
+	if (ATH12K_ACPI_FUNC_BIT_VALID(ab->acpi, ATH12K_ACPI_FUNC_BIT_TAS_CFG)) {
+		ret = ath12k_acpi_dsm_get_data(ab, ATH12K_ACPI_DSM_FUNC_TAS_CFG);
+		if (ret) {
+			ath12k_warn(ab, "failed to get ACPI TAS config table: %d\n", ret);
+			return ret;
+		}
+	}
+
+	if (ATH12K_ACPI_FUNC_BIT_VALID(ab->acpi, ATH12K_ACPI_FUNC_BIT_TAS_DATA)) {
+		ret = ath12k_acpi_dsm_get_data(ab, ATH12K_ACPI_DSM_FUNC_TAS_DATA);
+		if (ret) {
+			ath12k_warn(ab, "failed to get ACPI TAS data table: %d\n", ret);
+			return ret;
+		}
+
+		if (ATH12K_ACPI_FUNC_BIT_VALID(ab->acpi, ATH12K_ACPI_FUNC_BIT_TAS_CFG) &&
+		    ab->acpi.tas_sar_power_table[0] == ATH12K_ACPI_TAS_DATA_VERSION &&
+		    ab->acpi.tas_sar_power_table[1] == ATH12K_ACPI_TAS_DATA_ENABLE)
+			ab->acpi.acpi_tas_enable = true;
+	}
+
+	if (ab->acpi.acpi_tas_enable) {
+		ret = ath12k_acpi_set_tas_params(ab);
+		if (ret) {
+			ath12k_warn(ab, "failed to send ACPI parameters: %d\n", ret);
+			return ret;
+		}
+	}
+
+	status = acpi_install_notify_handler(ACPI_HANDLE(ab->dev),
+					     ACPI_DEVICE_NOTIFY,
+					     ath12k_acpi_dsm_notify, ab);
+	if (ACPI_FAILURE(status)) {
+		ath12k_warn(ab, "failed to install DSM notify callback: %d\n", status);
+		return -EIO;
+	}
+
+	ab->acpi.started = true;
+
+	return 0;
+}
+
+void ath12k_acpi_stop(struct ath12k_base *ab)
+{
+	if (!ab->acpi.started)
+		return;
+
+	acpi_remove_notify_handler(ACPI_HANDLE(ab->dev),
+				   ACPI_DEVICE_NOTIFY,
+				   ath12k_acpi_dsm_notify);
+}
diff --git a/drivers/net/wireless/ath/ath12k/acpi.h b/drivers/net/wireless/ath/ath12k/acpi.h
new file mode 100644
index 000000000000..785758b1e999
--- /dev/null
+++ b/drivers/net/wireless/ath/ath12k/acpi.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+#ifndef ATH12K_ACPI_H
+#define ATH12K_ACPI_H
+
+#include <linux/acpi.h>
+
+#define ATH12K_ACPI_DSM_FUNC_SUPPORT_FUNCS	0
+#define ATH12K_ACPI_DSM_FUNC_TAS_CFG		8
+#define ATH12K_ACPI_DSM_FUNC_TAS_DATA		9
+
+#define ATH12K_ACPI_FUNC_BIT_TAS_CFG			BIT(7)
+#define ATH12K_ACPI_FUNC_BIT_TAS_DATA			BIT(8)
+
+#define ATH12K_ACPI_NOTIFY_EVENT			0x86
+#define ATH12K_ACPI_FUNC_BIT_VALID(_acdata, _func)	(((_acdata).func_bit) & (_func))
+
+#define ATH12K_ACPI_TAS_DATA_VERSION		0x1
+#define ATH12K_ACPI_TAS_DATA_ENABLE		0x1
+
+#define ATH12K_ACPI_DSM_TAS_DATA_SIZE			69
+#define ATH12K_ACPI_DSM_TAS_CFG_SIZE			108
+
+#ifdef CONFIG_ACPI
+
+int ath12k_acpi_start(struct ath12k_base *ab);
+void ath12k_acpi_stop(struct ath12k_base *ab);
+
+#else
+
+static inline int ath12k_acpi_start(struct ath12k_base *ab)
+{
+	return 0;
+}
+
+static inline void ath12k_acpi_stop(struct ath12k_base *ab)
+{
+}
+
+#endif /* CONFIG_ACPI */
+
+#endif /* ATH12K_ACPI_H */
diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c
index 3c522a4b3e9b..9b209c04cbf9 100644
--- a/drivers/net/wireless/ath/ath12k/core.c
+++ b/drivers/net/wireless/ath/ath12k/core.c
@@ -543,6 +543,8 @@ static void ath12k_core_stop(struct ath12k_base *ab)
 	if (!test_bit(ATH12K_FLAG_CRASH_FLUSH, &ab->dev_flags))
 		ath12k_qmi_firmware_stop(ab);
 
+	ath12k_acpi_stop(ab);
+
 	ath12k_hif_stop(ab);
 	ath12k_wmi_detach(ab);
 	ath12k_dp_rx_pdev_reo_cleanup(ab);
@@ -784,6 +786,11 @@ static int ath12k_core_start(struct ath12k_base *ab,
 		goto err_reo_cleanup;
 	}
 
+	ret = ath12k_acpi_start(ab);
+	if (ret)
+		/* ACPI is optional so continue in case of an error */
+		ath12k_dbg(ab, ATH12K_DBG_BOOT, "acpi failed: %d\n", ret);
+
 	return 0;
 
 err_reo_cleanup:
diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h
index 397d8c973265..d724ce32d0b6 100644
--- a/drivers/net/wireless/ath/ath12k/core.h
+++ b/drivers/net/wireless/ath/ath12k/core.h
@@ -26,6 +26,7 @@
 #include "reg.h"
 #include "dbring.h"
 #include "fw.h"
+#include "acpi.h"
 
 #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
 
@@ -901,6 +902,18 @@ struct ath12k_base {
 	 */
 	u8 mlo_capable_flags;
 
+#ifdef CONFIG_ACPI
+
+	struct {
+		bool started;
+		u32 func_bit;
+		bool acpi_tas_enable;
+		u8 tas_cfg[ATH12K_ACPI_DSM_TAS_CFG_SIZE];
+		u8 tas_sar_power_table[ATH12K_ACPI_DSM_TAS_DATA_SIZE];
+	} acpi;
+
+#endif /* CONFIG_ACPI */
+
 	/* must be last */
 	u8 drv_priv[] __aligned(sizeof(void *));
 };
diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c
index 0b17dfd47856..6161688941b2 100644
--- a/drivers/net/wireless/ath/ath12k/hw.c
+++ b/drivers/net/wireless/ath/ath12k/hw.c
@@ -15,6 +15,10 @@
 #include "mhi.h"
 #include "dp_rx.h"
 
+static const guid_t wcn7850_uuid = GUID_INIT(0xf634f534, 0x6147, 0x11ec,
+					     0x90, 0xd6, 0x02, 0x42,
+					     0xac, 0x12, 0x00, 0x03);
+
 static u8 ath12k_hw_qcn9274_mac_from_pdev_id(int pdev_idx)
 {
 	return pdev_idx;
@@ -920,6 +924,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = {
 		.otp_board_id_register = QCN9274_QFPROM_RAW_RFA_PDET_ROW13_LSB,
 
 		.supports_sta_ps = false,
+
+		.acpi_guid = NULL,
 	},
 	{
 		.name = "wcn7850 hw2.0",
@@ -993,6 +999,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = {
 		.otp_board_id_register = 0,
 
 		.supports_sta_ps = true,
+
+		.acpi_guid = &wcn7850_uuid,
 	},
 	{
 		.name = "qcn9274 hw2.0",
@@ -1061,6 +1069,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = {
 		.otp_board_id_register = QCN9274_QFPROM_RAW_RFA_PDET_ROW13_LSB,
 
 		.supports_sta_ps = false,
+
+		.acpi_guid = NULL,
 	},
 };
 
diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h
index e34c4f76c1ec..3f450ee93f34 100644
--- a/drivers/net/wireless/ath/ath12k/hw.h
+++ b/drivers/net/wireless/ath/ath12k/hw.h
@@ -8,6 +8,7 @@
 #define ATH12K_HW_H
 
 #include <linux/mhi.h>
+#include <linux/uuid.h>
 
 #include "wmi.h"
 #include "hal.h"
@@ -212,6 +213,8 @@ struct ath12k_hw_params {
 	u32 otp_board_id_register;
 
 	bool supports_sta_ps;
+
+	const guid_t *acpi_guid;
 };
 
 struct ath12k_hw_ops {
diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c
index ab4f9e07ef03..dc09b7a9022c 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)
 {
diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h
index 6f5a80a4490b..ad9cdd3d69aa 100644
--- a/drivers/net/wireless/ath/ath12k/wmi.h
+++ b/drivers/net/wireless/ath/ath12k/wmi.h
@@ -353,6 +353,7 @@ enum wmi_tlv_cmd_id {
 	WMI_PDEV_DMA_RING_CFG_REQ_CMDID,
 	WMI_PDEV_HE_TB_ACTION_FRM_CMDID,
 	WMI_PDEV_PKTLOG_FILTER_CMDID,
+	WMI_PDEV_SET_BIOS_INTERFACE_CMDID = 0x404A,
 	WMI_VDEV_CREATE_CMDID = WMI_TLV_CMD(WMI_GRP_VDEV),
 	WMI_VDEV_DELETE_CMDID,
 	WMI_VDEV_START_REQUEST_CMDID,
@@ -1925,6 +1926,7 @@ enum wmi_tlv_tag {
 	WMI_TAG_REGULATORY_RULE_EXT_STRUCT = 0x3A9,
 	WMI_TAG_REG_CHAN_LIST_CC_EXT_EVENT,
 	WMI_TAG_EHT_RATE_SET = 0x3C4,
+	WMI_TAG_PDEV_SET_BIOS_INTERFACE_CMD = 0x3FB,
 	WMI_TAG_MAX
 };
 
@@ -4791,6 +4793,19 @@ struct ath12k_wmi_base {
 	struct ath12k_wmi_target_cap_arg *targ_cap;
 };
 
+struct wmi_pdev_set_bios_interface_cmd {
+	__le32 tlv_header;
+	__le32 pdev_id;
+	__le32 param_type_id;
+	__le32 length;
+} __packed;
+
+enum wmi_bios_param_type {
+	WMI_BIOS_PARAM_TAS_CONFIG_TYPE		= 1,
+	WMI_BIOS_PARAM_TAS_DATA_TYPE		= 2,
+	WMI_BIOS_PARAM_TYPE_MAX,
+};
+
 #define ATH12K_FW_STATS_BUF_SIZE (1024 * 1024)
 
 enum wmi_sys_cap_info_flags {
@@ -4949,6 +4964,8 @@ int ath12k_wmi_probe_resp_tmpl(struct ath12k *ar, u32 vdev_id,
 			       struct sk_buff *tmpl);
 int ath12k_wmi_set_hw_mode(struct ath12k_base *ab,
 			   enum wmi_host_hw_mode_config_type mode);
+int ath12k_wmi_set_bios_cmd(struct ath12k_base *ab, u32 param_id,
+			    const u8 *buf, size_t buf_len);
 
 static inline u32
 ath12k_wmi_caps_ext_get_pdev_id(const struct ath12k_wmi_caps_ext_params *param)
