1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath12k/ahb.h b/drivers/net/wireless/ath/ath12k/ahb.h
new file mode 100644
index 000000000000..d56244b20a6a
--- /dev/null
+++ b/drivers/net/wireless/ath/ath12k/ahb.h
@@ -0,0 +1,80 @@
+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022-2025, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+#ifndef ATH12K_AHB_H
+#define ATH12K_AHB_H
+
+#include <linux/clk.h>
+#include <linux/remoteproc/qcom_rproc.h>
+#include "core.h"
+
+#define ATH12K_AHB_RECOVERY_TIMEOUT (3 * HZ)
+
+#define ATH12K_AHB_SMP2P_SMEM_MSG		GENMASK(15, 0)
+#define ATH12K_AHB_SMP2P_SMEM_SEQ_NO		GENMASK(31, 16)
+#define ATH12K_AHB_SMP2P_SMEM_VALUE_MASK	0xFFFFFFFF
+#define ATH12K_PCI_CE_WAKE_IRQ			2
+#define ATH12K_PCI_IRQ_CE0_OFFSET		3
+#define ATH12K_ROOTPD_READY_TIMEOUT		(5 * HZ)
+#define ATH12K_RPROC_AFTER_POWERUP		QCOM_SSR_AFTER_POWERUP
+#define ATH12K_AHB_FW_PREFIX			"q6_fw"
+#define ATH12K_AHB_FW_SUFFIX			".mdt"
+#define ATH12K_AHB_FW2				"iu_fw.mdt"
+#define ATH12K_AHB_UPD_SWID			0x12
+#define ATH12K_USERPD_SPAWN_TIMEOUT		(5 * HZ)
+#define ATH12K_USERPD_READY_TIMEOUT		(10 * HZ)
+#define ATH12K_USERPD_STOP_TIMEOUT		(5 * HZ)
+#define ATH12K_USERPD_ID_MASK			GENMASK(9, 8)
+#define ATH12K_USERPD_FW_NAME_LEN		35
+
+enum ath12k_ahb_smp2p_msg_id {
+	ATH12K_AHB_POWER_SAVE_ENTER = 1,
+	ATH12K_AHB_POWER_SAVE_EXIT,
+};
+
+enum ath12k_ahb_userpd_irq {
+	ATH12K_USERPD_SPAWN_IRQ,
+	ATH12K_USERPD_READY_IRQ,
+	ATH12K_USERPD_STOP_ACK_IRQ,
+	ATH12K_USERPD_MAX_IRQ,
+};
+
+struct ath12k_base;
+
+struct ath12k_ahb {
+	struct ath12k_base *ab;
+	struct rproc *tgt_rproc;
+	struct clk *xo_clk;
+	struct completion rootpd_ready;
+	struct notifier_block root_pd_nb;
+	void *root_pd_notifier;
+	struct qcom_smem_state *spawn_state;
+	struct qcom_smem_state *stop_state;
+	struct completion userpd_spawned;
+	struct completion userpd_ready;
+	struct completion userpd_stopped;
+	u32 userpd_id;
+	u32 spawn_bit;
+	u32 stop_bit;
+	int userpd_irq_num[ATH12K_USERPD_MAX_IRQ];
+};
+
+static inline struct ath12k_ahb *ath12k_ab_to_ahb(struct ath12k_base *ab)
+{
+	return (struct ath12k_ahb *)ab->drv_priv;
+}
+
+#ifdef CONFIG_ATH12K_AHB
+int ath12k_ahb_init(void);
+void ath12k_ahb_exit(void);
+#else
+static inline int ath12k_ahb_init(void)
+{
+	return 0;
+}
+
+static inline void ath12k_ahb_exit(void) {};
+#endif
+#endif