/*
 * gevntadr_reg.c
 *
 *  Created on: 20-Apr-2023
 *      Author: pushpkant
 */

#include "ltcusb_regs_ops.h"

static GEVNTADR gevntadr_reg;

int gevntadr_init(uint32_t device_number, uint64_t gevntadr_val)
{
	if(device_number >= DWC_USB3_DEVICE_NUM_INT)
	{
		return -1;
	}

	uintptr_t reg_offset = GEVNTADR_OFFSET + (device_number * 0x10);

	uint32_t gevntadr_lo = (uint32_t)gevntadr_val;
	gevntadr_val >>= 32;
	uint32_t gevntadr_hi = (uint32_t)gevntadr_val;

	gevntadr_reg.dev[device_number].LO = reg_setup(reg_offset);
	gevntadr_reg.dev[device_number].LO->EVNTADRLO = gevntadr_lo;

	ltcusb_raw_write();

	gevntadr_reg.dev[device_number].HI = reg_setup(reg_offset + 0x4);
	gevntadr_reg.dev[device_number].HI->EVNTADRHI = gevntadr_hi;

	ltcusb_raw_write();

	return 0;
}

int gevntadr_get(uint32_t device_number, uint64_t *genvtadr_val)
{
	if(device_number >= DWC_USB3_DEVICE_NUM_INT)
	{
		return -1;
	}

	uintptr_t reg_offset = GEVNTADR_OFFSET + (device_number * 0x10);


	gevntadr_reg.dev[device_number].LO = reg_setup(reg_offset);

	uint32_t gevntadr_lo = gevntadr_reg.dev[device_number].LO->EVNTADRLO;

	gevntadr_reg.dev[device_number].HI = reg_setup(reg_offset + 0x4);

	uint32_t gevntadr_hi = gevntadr_reg.dev[device_number].HI->EVNTADRHI;

	*genvtadr_val = ((uint64_t)gevntadr_lo) | (((uint64_t)gevntadr_hi) << 32);

	return 0;
}