/*
* carlu - userspace testing utility for ar9170 devices
*
* Firmware parsers
*
* Copyright 2009-2011 Christian Lamparter <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include "libusb.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

#include "carlu.h"
#include "usb.h"
#include "debug.h"

int carlu_fw_check(struct carlu *ar)
{
struct carl9170fw_otus_desc *otus_desc;

otus_desc = carlfw_find_desc(ar->fw, (uint8_t *) OTUS_MAGIC,
sizeof(*otus_desc),
CARL9170FW_OTUS_DESC_CUR_VER);

if (!otus_desc) {
err("No valid OTUS descriptor found.\n");
return -EINVAL;
}

if (!carl9170fw_supports(otus_desc->feature_set, CARL9170FW_DUMMY_FEATURE)) {
err("Invalid Firmware Descriptor.\n");
return -EIO;
}

if (carl9170fw_supports(otus_desc->feature_set, CARL9170FW_UNUSABLE))
dbg("Firmware is marked as unuseable.\n");

info("Firmware Version: %d.\n", otus_desc->api_ver);

return 0;
}

int carlusb_fw_check(struct carlu *ar)
{
struct carl9170fw_otus_desc *otus_desc;

otus_desc = carlfw_find_desc(ar->fw, (uint8_t *) OTUS_MAGIC,
sizeof(*otus_desc),
CARL9170FW_OTUS_DESC_CUR_VER);

if (!otus_desc) {
err("No valid USB descriptor found.\n");
return -ENODATA;
}

if (!carl9170fw_supports(otus_desc->feature_set, CARL9170FW_DUMMY_FEATURE)) {
err("Invalid Firmware Descriptor.\n");
return -EINVAL;
}

if (!carl9170fw_supports(otus_desc->feature_set, CARL9170FW_USB_INIT_FIRMWARE)) {
err("Firmware does not know how to initialize USB core.\n");
return -EOPNOTSUPP;
}

if (carl9170fw_supports(otus_desc->feature_set, CARL9170FW_USB_DOWN_STREAM)) {
dbg("Enabled tx stream mode.\n");
ar->tx_stream = true;
ar->extra_headroom = sizeof(struct ar9170_stream);
}

if (carl9170fw_supports(otus_desc->feature_set, CARL9170FW_USB_UP_STREAM)) {
dbg("Enabled rx stream mode.\n");
ar->rx_stream = true;
}

if (carl9170fw_supports(otus_desc->feature_set, CARL9170FW_USB_RESP_EP2))
dbg("Firmware sends traps over EP2.\n");

ar->dma_chunk_size = le16_to_cpu(otus_desc->tx_frag_len);
ar->dma_chunks = otus_desc->tx_descs;
ar->rx_max = le16_to_cpu(otus_desc->rx_max_frame_len);

if (carl9170fw_supports(otus_desc->feature_set, CARL9170FW_MINIBOOT))
ar->miniboot_size = le16_to_cpu(otus_desc->miniboot_size);

return 0;
}

void carlu_fw_info(struct carlu *ar)
{
struct carl9170fw_motd_desc *motd_desc;
unsigned int fw_date;

motd_desc = carlfw_find_desc(ar->fw, (uint8_t *) MOTD_MAGIC,
sizeof(*motd_desc),
CARL9170FW_MOTD_DESC_CUR_VER);

if (motd_desc) {
fw_date = le32_to_cpu(motd_desc->fw_year_month_day);

info("Firmware Date: 2%.3d-%.2d-%.2d\n",
CARL9170FW_GET_YEAR(fw_date), CARL9170FW_GET_MONTH(fw_date),
CARL9170FW_GET_DAY(fw_date));
}
}