/*
 * gevntsiz_reg.c
 *
 *  Created on: 21-Apr-2023
 *      Author: pushpkant
 */

#include "ltcusb_regs_ops.h"

static GEVNTSIZ_data gevntsiz;

int gevntsiz_init(uint32_t device_number,
		uint32_t event_size,
		uint32_t event_intr_mask)
{
	if(device_number >= DWC_USB3_DEVICE_NUM_INT)
	{
		return -1;
	}

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

	gevntsiz.dev[device_number] = reg_setup(reg_offset);

	event_size &= 0xFFFC;	//event size must be 16 bit wide and divisible by 4.

	gevntsiz.dev[device_number]->EVENTSIZ = (uint16_t)(event_size & 0xFFFF);

	gevntsiz.dev[device_number]->EVNTINTRPTMASK = (event_intr_mask?true:false);

	ltcusb_raw_write();

	return 0;
}

int gevntsiz_get(uint32_t device_number,
		uint32_t *event_size,
		uint32_t *event_intr_mask)
{
	if(device_number >= DWC_USB3_DEVICE_NUM_INT)
	{
		return -1;
	}

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

	gevntsiz.dev[device_number] = reg_setup(reg_offset);

	*event_size = gevntsiz.dev[device_number]->EVENTSIZ;
	*event_intr_mask = gevntsiz.dev[device_number]->EVNTINTRPTMASK;

	return 0;
}