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// 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 "versaloon_include.h"
#include <stdio.h>
#include <string.h>
#include <libusb.h>
#include "versaloon.h"
#include "versaloon_internal.h"
#include "usbtoxxx/usbtoxxx.h"
uint8_t *versaloon_buf;
uint8_t *versaloon_cmd_buf;
uint16_t versaloon_buf_size;
struct versaloon_pending_t versaloon_pending[VERSALOON_MAX_PENDING_NUMBER];
uint16_t versaloon_pending_idx;
struct libusb_device_handle *versaloon_usb_device_handle;
static uint32_t versaloon_usb_to = VERSALOON_TIMEOUT;
static RESULT versaloon_init(void);
static RESULT versaloon_fini(void);
static RESULT versaloon_get_target_voltage(uint16_t *voltage);
static RESULT versaloon_set_target_voltage(uint16_t voltage);
static RESULT versaloon_delay_ms(uint16_t ms);
static RESULT versaloon_delay_us(uint16_t us);
struct versaloon_interface_t versaloon_interface = {
.init = versaloon_init,
.fini = versaloon_fini,
{ /* adaptors */
{ /* target_voltage */
.get = versaloon_get_target_voltage,
.set = versaloon_set_target_voltage,
},
{ /* gpio */
.init = usbtogpio_init,
.fini = usbtogpio_fini,
.config = usbtogpio_config,
.out = usbtogpio_out,
.in = usbtogpio_in,
},
{ /* delay */
.delayms = versaloon_delay_ms,
.delayus = versaloon_delay_us,
},
{ /* swd */
.init = usbtoswd_init,
.fini = usbtoswd_fini,
.config = usbtoswd_config,
.seqout = usbtoswd_seqout,
.seqin = usbtoswd_seqin,
.transact = usbtoswd_transact,
},
{ /* jtag_raw */
.init = usbtojtagraw_init,
.fini = usbtojtagraw_fini,
.config = usbtojtagraw_config,
.execute = usbtojtagraw_execute,
},
.peripheral_commit = usbtoxxx_execute_command,
},
{ /* usb_setting */
.vid = VERSALOON_VID,
.pid = VERSALOON_PID,
.ep_out = VERSALOON_OUTP,
.ep_in = VERSALOON_INP,
.interface = VERSALOON_IFACE,
.buf_size = 256,
}
};
/* programmer_cmd */
static uint32_t versaloon_pending_id;
static versaloon_callback_t versaloon_callback;
static void *versaloon_extra_data;
static struct versaloon_want_pos_t *versaloon_want_pos;
void versaloon_set_pending_id(uint32_t id)
{
versaloon_pending_id = id;
}
void versaloon_set_callback(versaloon_callback_t callback)
{
versaloon_callback = callback;
}
void versaloon_set_extra_data(void *p)
{
versaloon_extra_data = p;
}
void versaloon_free_want_pos(void)
{
uint16_t i;
struct versaloon_want_pos_t *tmp, *free_tmp;
tmp = versaloon_want_pos;
while (tmp) {
free_tmp = tmp;
tmp = tmp->next;
free(free_tmp);
}
versaloon_want_pos = NULL;
for (i = 0; i < ARRAY_SIZE(versaloon_pending); i++) {
tmp = versaloon_pending[i].pos;
while (tmp) {
free_tmp = tmp;
tmp = tmp->next;
free(free_tmp);
}
versaloon_pending[i].pos = NULL;
}
}
RESULT versaloon_add_want_pos(uint16_t offset, uint16_t size, uint8_t *buff)
{
struct versaloon_want_pos_t *new_pos = NULL;
new_pos = malloc(sizeof(*new_pos));
if (!new_pos) {
LOG_ERROR(ERRMSG_NOT_ENOUGH_MEMORY);
return ERRCODE_NOT_ENOUGH_MEMORY;
}
new_pos->offset = offset;
new_pos->size = size;
new_pos->buff = buff;
new_pos->next = NULL;
if (!versaloon_want_pos)
versaloon_want_pos = new_pos;
else {
struct versaloon_want_pos_t *tmp = versaloon_want_pos;
while (tmp->next)
tmp = tmp->next;
tmp->next = new_pos;
}
return ERROR_OK;
}
RESULT versaloon_add_pending(uint8_t type, uint8_t cmd, uint16_t actual_szie,
uint16_t want_pos, uint16_t want_size, uint8_t *buffer, uint8_t collect)
{
#if PARAM_CHECK
if (versaloon_pending_idx >= VERSALOON_MAX_PENDING_NUMBER) {
LOG_BUG(ERRMSG_INVALID_INDEX, versaloon_pending_idx,
"versaloon pending data");
return ERROR_FAIL;
}
#endif
versaloon_pending[versaloon_pending_idx].type = type;
versaloon_pending[versaloon_pending_idx].cmd = cmd;
versaloon_pending[versaloon_pending_idx].actual_data_size = actual_szie;
versaloon_pending[versaloon_pending_idx].want_data_pos = want_pos;
versaloon_pending[versaloon_pending_idx].want_data_size = want_size;
versaloon_pending[versaloon_pending_idx].data_buffer = buffer;
versaloon_pending[versaloon_pending_idx].collect = collect;
versaloon_pending[versaloon_pending_idx].id = versaloon_pending_id;
versaloon_pending_id = 0;
versaloon_pending[versaloon_pending_idx].extra_data = versaloon_extra_data;
versaloon_extra_data = NULL;
versaloon_pending[versaloon_pending_idx].callback = versaloon_callback;
versaloon_callback = NULL;
versaloon_pending[versaloon_pending_idx].pos = versaloon_want_pos;
versaloon_want_pos = NULL;
versaloon_pending_idx++;
return ERROR_OK;
}
RESULT versaloon_send_command(uint16_t out_len, uint16_t *inlen)
{
int ret;
int transferred;
#if PARAM_CHECK
if (!versaloon_buf) {
LOG_BUG(ERRMSG_INVALID_BUFFER, TO_STR(versaloon_buf));
return ERRCODE_INVALID_BUFFER;
}
if ((out_len == 0) || (out_len > versaloon_interface.usb_setting.buf_size)) {
LOG_BUG(ERRMSG_INVALID_PARAMETER, __func__);
return ERRCODE_INVALID_PARAMETER;
}
#endif
ret = libusb_bulk_transfer(versaloon_usb_device_handle,
versaloon_interface.usb_setting.ep_out,
versaloon_buf, out_len, &transferred, versaloon_usb_to);
if (ret != 0 || transferred != out_len) {
LOG_ERROR(ERRMSG_FAILURE_OPERATION, "send usb data");
return ERRCODE_FAILURE_OPERATION;
}
if (inlen) {
ret = libusb_bulk_transfer(versaloon_usb_device_handle,
versaloon_interface.usb_setting.ep_in,
versaloon_buf, versaloon_interface.usb_setting.buf_size,
&transferred, versaloon_usb_to);
if (ret == 0) {
*inlen = (uint16_t)transferred;
return ERROR_OK;
} else {
LOG_ERROR(ERRMSG_FAILURE_OPERATION, "receive usb data");
return ERROR_FAIL;
}
} else
return ERROR_OK;
}
#define VERSALOON_RETRY_CNT 10
static RESULT versaloon_init(void)
{
uint16_t ret = 0;
uint8_t retry;
uint32_t timeout_tmp;
/* malloc temporary buffer */
versaloon_buf = malloc(versaloon_interface.usb_setting.buf_size);
if (!versaloon_buf) {
LOG_ERROR(ERRMSG_NOT_ENOUGH_MEMORY);
return ERRCODE_NOT_ENOUGH_MEMORY;
}
/* connect to versaloon */
timeout_tmp = versaloon_usb_to;
/* not output error message when connecting */
/* 100ms delay when connect */
versaloon_usb_to = 100;
for (retry = 0; retry < VERSALOON_RETRY_CNT; retry++) {
versaloon_buf[0] = VERSALOON_GET_INFO;
if ((versaloon_send_command(1, &ret) == ERROR_OK) && (ret >= 3))
break;
}
versaloon_usb_to = timeout_tmp;
if (retry == VERSALOON_RETRY_CNT) {
versaloon_fini();
LOG_ERROR(ERRMSG_FAILURE_OPERATION, "communicate with versaloon");
return ERRCODE_FAILURE_OPERATION;
}
versaloon_buf[ret] = 0;
versaloon_buf_size = versaloon_buf[0] + (versaloon_buf[1] << 8);
versaloon_interface.usb_setting.buf_size = versaloon_buf_size;
LOG_INFO("%s", versaloon_buf + 2);
/* free temporary buffer */
free(versaloon_buf);
versaloon_buf = NULL;
versaloon_buf = malloc(versaloon_interface.usb_setting.buf_size);
if (!versaloon_buf) {
versaloon_fini();
LOG_ERROR(ERRMSG_NOT_ENOUGH_MEMORY);
return ERRCODE_NOT_ENOUGH_MEMORY;
}
versaloon_cmd_buf = malloc(versaloon_interface.usb_setting.buf_size - 3);
if (!versaloon_cmd_buf) {
versaloon_fini();
LOG_ERROR(ERRMSG_NOT_ENOUGH_MEMORY);
return ERRCODE_NOT_ENOUGH_MEMORY;
}
if (usbtoxxx_init() != ERROR_OK) {
LOG_ERROR(ERRMSG_FAILURE_OPERATION, "initialize usbtoxxx");
return ERROR_FAIL;
}
return versaloon_get_target_voltage(&ret);
}
static RESULT versaloon_fini(void)
{
if (versaloon_usb_device_handle) {
usbtoxxx_fini();
versaloon_free_want_pos();
versaloon_usb_device_handle = NULL;
free(versaloon_buf);
versaloon_buf = NULL;
free(versaloon_cmd_buf);
versaloon_cmd_buf = NULL;
}
return ERROR_OK;
}
static RESULT versaloon_set_target_voltage(uint16_t voltage)
{
usbtopwr_init(0);
usbtopwr_config(0);
usbtopwr_output(0, voltage);
usbtopwr_fini(0);
return usbtoxxx_execute_command();
}
static RESULT versaloon_get_target_voltage(uint16_t *voltage)
{
uint16_t inlen;
#if PARAM_CHECK
if (!versaloon_buf) {
LOG_BUG(ERRMSG_INVALID_BUFFER, TO_STR(versaloon_buf));
return ERRCODE_INVALID_BUFFER;
}
if (!voltage) {
LOG_BUG(ERRMSG_INVALID_PARAMETER, __func__);
return ERRCODE_INVALID_PARAMETER;
}
#endif
versaloon_buf[0] = VERSALOON_GET_TVCC;
if ((versaloon_send_command(1, &inlen) != ERROR_OK) || (inlen != 2)) {
LOG_ERROR(ERRMSG_FAILURE_OPERATION, "communicate with versaloon");
return ERRCODE_FAILURE_OPERATION;
} else {
*voltage = versaloon_buf[0] + (versaloon_buf[1] << 8);
return ERROR_OK;
}
}
static RESULT versaloon_delay_ms(uint16_t ms)
{
return usbtodelay_delay(ms | 0x8000);
}
static RESULT versaloon_delay_us(uint16_t us)
{
return usbtodelay_delay(us & 0x7FFF);
}
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