/*
 * Copyright (c) 2021 Microchip Technology Inc. and its subsidiaries.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#ifndef _MEC_TFDP_H
#define _MEC_TFDP_H

#include <stdint.h>
#include <stddef.h>

#define MCHP_TFDP_CTRL_REG_MASK		0x7fu
#define MCHP_TFDP_CTRL_EN_POS		0u
#define MCHP_TFDP_CTRL_EDGE_SEL_POS	1u
#define MCHP_TFDP_CTRL_DIV_SEL_POS	2u
#define MCHP_TFDP_CTRL_IP_DLY_POS	4u

#define MCHP_TFDP_CTRL_EN		BIT(0)
#define MCHP_TFDP_OUT_ON_FALLING_EDGE	BIT(1)
#define MCHP_TFDP_CLK_AHB_DIV_2		0
#define MCHP_TFDP_CLK_AHB_DIV_4		0x04u
#define MCHP_TFDP_CLK_AHB_DIV_8		0x08u
#define MCHP_TFDP_CLK_AHB_DIV_2_ALT	0x0cu

/* Number of AHB clocks between each byte shifted out */
#define MCHP_TFDP_IP_DLY_1		0
#define MCHP_TFDP_IP_DLY_2		0x10u
#define MCHP_TFDP_IP_DLY_3		0x20u
#define MCHP_TFDP_IP_DLY_4		0x30u
#define MCHP_TFDP_IP_DLY_5		0x40u
#define MCHP_TFDP_IP_DLY_6		0x50u
#define MCHP_TFDP_IP_DLY_7		0x60u
#define MCHP_TFDP_IP_DLY_8		0x70u

/* First byte indicates start of packet */
#define MCHP_TFDP_PKT_START		0xfdu

/** @brief Trace FIFO Debug Port Registers (TFDP) */
struct tfdp_regs {
	volatile uint8_t DATA_OUT;
	uint8_t RSVD1[3];
	volatile uint32_t CTRL;
};

#endif	/* #ifndef _MEC_TFDP_H */