stmesp.h

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/*
 * Copyright (c) 2024 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_MISC_CORESIGHT_STMESP_H_
#define ZEPHYR_INCLUDE_DRIVERS_MISC_CORESIGHT_STMESP_H_
 
#include <zephyr/devicetree.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct {
        volatile uint32_t G_DMTS[2];
        volatile uint32_t G_DM[2];
        volatile uint32_t G_DTS[2];
        volatile uint32_t G_D[2];
        volatile uint32_t RESERVED0[16];
        volatile uint32_t G_FLAGTS[2];
        volatile uint32_t G_FLAG[2];
        volatile uint32_t G_TRIGTS[2];
        volatile uint32_t G_TRIG[2];
        volatile uint32_t I_DMTS[2];
        volatile uint32_t I_DM[2];
        volatile uint32_t I_DTS[2];
        volatile uint32_t I_D[2];
        volatile uint32_t RESERVED1[16];
        volatile uint32_t I_FLAGTS[2];
        volatile uint32_t I_FLAG[2];
        volatile uint32_t I_TRIGTS[2];
        volatile uint32_t I_TRIG[2];
} STMESP_Type;
 
static inline volatile void *_stmesp_get_data_reg(STMESP_Type *reg, bool ts,
                                                  bool marked, bool guaranteed)
{
        if (ts) {
                if (guaranteed) {
                        if (marked) {
                                return &reg->G_DMTS[0];
                        } else {
                                return &reg->G_DTS[0];
                        }
                } else {
                        if (marked) {
                                return &reg->I_DMTS[0];
                        } else {
                                return &reg->I_DTS[0];
                        }
                }
        } else {
                if (guaranteed) {
                        if (marked) {
                                return &reg->G_DM[0];
                        } else {
                                return &reg->G_D[0];
                        }
                } else {
                        if (marked) {
                                return &reg->I_DM[0];
                        } else {
                                return &reg->I_D[0];
                        }
                }
        }
}
 
static inline void stmesp_flag(STMESP_Type *reg, uint32_t data, bool ts, bool guaranteed)
{
        if (ts) {
                if (guaranteed) {
                        reg->G_FLAGTS[0] = data;
                } else {
                        reg->I_FLAGTS[0] = data;
                }
        } else {
                if (guaranteed) {
                        reg->G_FLAG[0] = data;
                } else {
                        reg->I_FLAG[0] = data;
                }
        }
}
 
static inline void stmesp_data8(STMESP_Type *reg, uint8_t data, bool ts,
                                bool marked, bool guaranteed)
{
        *(volatile uint8_t *)_stmesp_get_data_reg(reg, ts, marked, guaranteed) = data;
}
 
static inline void stmesp_data16(STMESP_Type *reg, uint16_t data, bool ts,
                                 bool marked, bool guaranteed)
{
        *(volatile uint16_t *)_stmesp_get_data_reg(reg, ts, marked, guaranteed) = data;
}
 
static inline void stmesp_data32(STMESP_Type *reg, uint32_t data, bool ts,
                                 bool marked, bool guaranteed)
{
        *(volatile uint32_t *)_stmesp_get_data_reg(reg, ts, marked, guaranteed) = data;
}
 
static inline int stmesp_get_port(uint32_t idx, STMESP_Type **port)
 
{
        /* Check if index is within STM ports */
        if ((port == NULL) ||
            (idx >= (DT_REG_SIZE(DT_NODELABEL(stmesp)) / sizeof(STMESP_Type)))) {
                return -EINVAL;
        }
 
        STMESP_Type *const base = (STMESP_Type *const)DT_REG_ADDR(DT_NODELABEL(stmesp));
 
        *port = &base[idx];
 
        return 0;
}
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_MISC_CORESIGHT_STMESP_H_ */