root/drivers/hwtracing/coresight/coresight-ctcu.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2024-2025 Qualcomm Innovation Center, Inc. All rights reserved.
 */

#ifndef _CORESIGHT_CTCU_H
#define _CORESIGHT_CTCU_H
#include "coresight-trace-id.h"

/* Maximum number of supported ETR devices for a single CTCU. */
#define ETR_MAX_NUM     2

/**
 * struct ctcu_etr_config
 * @atid_offset:        offset to the ATID0 Register.
 * @port_num:           in-port number of CTCU device that connected to ETR.
 */
struct ctcu_etr_config {
        const u32 atid_offset;
        const u32 port_num;
};

struct ctcu_config {
        const struct ctcu_etr_config *etr_cfgs;
        int num_etr_config;
};

struct ctcu_drvdata {
        void __iomem            *base;
        struct clk              *apb_clk;
        struct device           *dev;
        struct coresight_device *csdev;
        raw_spinlock_t          spin_lock;
        u32                     atid_offset[ETR_MAX_NUM];
        /* refcnt for each traceid of each sink */
        u8                      traceid_refcnt[ETR_MAX_NUM][CORESIGHT_TRACE_ID_RES_TOP];
};

#endif