/* SPDX-License-Identifier: GPL-2.0-or-later */

/***************************************************************************
 *   Copyright (C) 2009 - 2010 by Simon Qian <SimonQian@SimonQian.com>     *
 ***************************************************************************/

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <string.h>

#include "../versaloon_include.h"
#include "../versaloon.h"
#include "../versaloon_internal.h"
#include "usbtoxxx.h"
#include "usbtoxxx_internal.h"

RESULT usbtojtagraw_init(uint8_t interface_index)
{
	return usbtoxxx_init_command(USB_TO_JTAG_RAW, interface_index);
}

RESULT usbtojtagraw_fini(uint8_t interface_index)
{
	return usbtoxxx_fini_command(USB_TO_JTAG_RAW, interface_index);
}

RESULT usbtojtagraw_config(uint8_t interface_index, uint32_t khz)
{
	uint8_t cfg_buf[4];

#if PARAM_CHECK
	if (interface_index > 7) {
		LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
		return ERROR_FAIL;
	}
#endif

	SET_LE_U32(&cfg_buf[0], khz);

	return usbtoxxx_conf_command(USB_TO_JTAG_RAW, interface_index, cfg_buf, 4);
}

RESULT usbtojtagraw_execute(uint8_t interface_index, uint8_t *tdi,
	uint8_t *tms, uint8_t *tdo, uint32_t bitlen)
{
	uint16_t bytelen;

#if PARAM_CHECK
	if (interface_index > 7) {
		LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
		return ERROR_FAIL;
	}
#endif

	if (bitlen > 8 * 0xFFFF)
		return ERROR_FAIL;
	bytelen = (uint16_t)((bitlen + 7) >> 3);

	SET_LE_U32(&versaloon_cmd_buf[0], bitlen);
	memcpy(versaloon_cmd_buf + 4, tdi, bytelen);
	memcpy(versaloon_cmd_buf + 4 + bytelen, tms, bytelen);

	return usbtoxxx_inout_command(USB_TO_JTAG_RAW, interface_index,
		versaloon_cmd_buf, 4 + bytelen * 2, bytelen, tdo, 0, bytelen, 0);
}