tools/carlu/src/fw.c

   1 /*
   2  * carl9170user - userspace testing utility for ar9170 devices
   3  *
   4  * Firmware parsers
   5  *
   6  * Copyright 2009, 2010 Christian Lamparter <chunkeey@googlemail.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <stdio.h>
  28 #include <stdbool.h>
  29 #include <stdlib.h>
  30 #include <errno.h>
  31 #include <string.h>
  32 #include <stdlib.h>
  33 #include "libusb.h"
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <unistd.h>
  37
  38 #include "carlu.h"
  39 #include "usb.h"
  40 #include "debug.h"
  41
  42 int carlu_fw_check(struct carlu *ar)
  43 {
  44         struct carl9170fw_otus_desc *otus_desc;
  45
  46         otus_desc = carlfw_find_desc(ar->fw, (uint8_t *) OTUS_MAGIC,
  47                                      sizeof(*otus_desc),
  48                                      CARL9170FW_OTUS_DESC_CUR_VER);
  49
  50         if (!otus_desc) {
  51                 err("No valid OTUS descriptor found.\n");
  52                 return -EINVAL;
  53         }
  54
  55         if (!carl9170fw_supports(otus_desc->feature_set, CARL9170FW_DUMMY_FEATURE)) {
  56                 err("Invalid Firmware Descriptor.\n");
  57                 return -EIO;
  58         }
  59
  60         if (carl9170fw_supports(otus_desc->feature_set, CARL9170FW_UNUSABLE))
  61                 dbg("Firmware is marked as unuseable.\n");
  62
  63         info("Firmware Version: %d.\n", otus_desc->api_ver);
  64
  65         return 0;
  66 }
  67
  68 int carlusb_fw_check(struct carlusb *ar)
  69 {
  70         struct carl9170fw_otus_desc *otus_desc;
  71
  72         otus_desc = carlfw_find_desc(ar->common.fw, (uint8_t *) OTUS_MAGIC,
  73                                      sizeof(*otus_desc),
  74                                      CARL9170FW_OTUS_DESC_CUR_VER);
  75
  76         if (!otus_desc) {
  77                 err("No valid USB descriptor found.\n");
  78                 return -ENODATA;
  79         }
  80
  81         if (!carl9170fw_supports(otus_desc->feature_set, CARL9170FW_DUMMY_FEATURE)) {
  82                 err("Invalid Firmware Descriptor.\n");
  83                 return -EINVAL;
  84         }
  85
  86         if (!carl9170fw_supports(otus_desc->feature_set, CARL9170FW_USB_INIT_FIRMWARE)) {
  87                 err("Firmware does not know how to initialize USB core.\n");
  88                 return -EOPNOTSUPP;
  89         }
  90
  91         if (carl9170fw_supports(otus_desc->feature_set, CARL9170FW_USB_DOWN_STREAM)) {
  92                 dbg("Enabled tx stream mode.\n");
  93                 ar->common.tx_stream = true;
  94                 ar->common.extra_headroom = sizeof(struct ar9170_stream);
  95         }
  96
  97         if (carl9170fw_supports(otus_desc->feature_set, CARL9170FW_USB_UP_STREAM)) {
  98                 dbg("Enabled rx stream mode.\n");
  99                 ar->common.rx_stream = true;
 100         }
 101
 102         if (carl9170fw_supports(otus_desc->feature_set, CARL9170FW_USB_RESP_EP2))
 103                 dbg("Firmware sends traps over EP2.\n");
 104
 105         ar->common.dma_chunk_size = le16_to_cpu(otus_desc->tx_frag_len);
 106         ar->common.dma_chunks = otus_desc->tx_descs;
 107         ar->rx_max = le16_to_cpu(otus_desc->rx_max_frame_len);
 108
 109         if (carl9170fw_supports(otus_desc->feature_set, CARL9170FW_MINIBOOT))
 110                 ar->miniboot_size = le16_to_cpu(otus_desc->miniboot_size);
 111
 112         return 0;
 113 }
 114
 115 void carlu_fw_info(struct carlu *ar)
 116 {
 117         struct carl9170fw_motd_desc *motd_desc;
 118         unsigned int fw_date;
 119
 120         motd_desc = carlfw_find_desc(ar->fw, (uint8_t *) MOTD_MAGIC,
 121                                      sizeof(*motd_desc),
 122                                      CARL9170FW_MOTD_DESC_CUR_VER);
 123
 124         if (motd_desc) {
 125                 fw_date = le32_to_cpu(motd_desc->fw_year_month_day);
 126
 127                 info("Firmware Date: 2%.3d-%.2d-%.2d\n",
 128                      CARL9170FW_GET_YEAR(fw_date), CARL9170FW_GET_MONTH(fw_date),
 129                      CARL9170FW_GET_DAY(fw_date));
 130         }
 131 }