target/linux/ipq40xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata

   1 #!/bin/sh
   2
   3 # xor multiple hex values of the same length
   4 xor() {
   5         local val
   6         local ret="0x$1"
   7         local retlen=${#1}
   8
   9         shift
  10         while [ -n "$1" ]; do
  11                 val="0x$1"
  12                 ret=$((ret ^ val))
  13                 shift
  14         done
  15
  16         printf "%0${retlen}x" "$ret"
  17 }
  18
  19 ath10kcal_die() {
  20         echo "ath10cal: " "$*"
  21         exit 1
  22 }
  23
  24 ath10kcal_extract() {
  25         local part=$1
  26         local offset=$2
  27         local count=$3
  28         local mtd
  29
  30         mtd=$(find_mtd_chardev $part)
  31         [ -n "$mtd" ] || \
  32                 ath10kcal_die "no mtd device found for partition $part"
  33
  34         dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
  35                 ath10kcal_die "failed to extract calibration data from $mtd"
  36 }
  37
  38 ath10kcal_ubi_extract() {
  39         local part=$1
  40         local offset=$2
  41         local count=$3
  42         local ubidev
  43         local ubi
  44
  45         . /lib/upgrade/nand.sh
  46
  47         ubidev=$(nand_find_ubi $CI_UBIPART)
  48         ubi=$(nand_find_volume $ubidev $part)
  49         [ -n "$ubi" ] || \
  50                 ath10kcal_die "no UBI volume found for $part"
  51
  52         dd if=/dev/$ubi of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
  53                 ath10kcal_die "failed to extract from $ubi"
  54 }
  55
  56 ath10kcal_patch_mac() {
  57         local mac=$1
  58
  59         [ -z "$mac" ] && return
  60
  61         macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=6 count=6
  62 }
  63
  64 ath10kcal_patch_mac_crc() {
  65         local mac=$1
  66         local mac_offset=6
  67         local chksum_offset=2
  68         local xor_mac
  69         local xor_fw_mac
  70         local xor_fw_chksum
  71
  72         xor_fw_mac=$(hexdump -v -n 6 -s $mac_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
  73         xor_fw_mac="${xor_fw_mac:0:4} ${xor_fw_mac:4:4} ${xor_fw_mac:8:4}"
  74
  75         ath10kcal_patch_mac "$mac" && {
  76                 xor_mac=${mac//:/}
  77                 xor_mac="${xor_mac:0:4} ${xor_mac:4:4} ${xor_mac:8:4}"
  78
  79                 xor_fw_chksum=$(hexdump -v -n 2 -s $chksum_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
  80                 xor_fw_chksum=$(xor $xor_fw_chksum $xor_fw_mac $xor_mac)
  81
  82                 printf "%b" "\x${xor_fw_chksum:0:2}\x${xor_fw_chksum:2:2}" | \
  83                         dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$chksum_offset count=2
  84         }
  85 }
  86
  87 ath10kcal_is_caldata_valid() {
  88         local expected="$1"
  89
  90         magic=$(hexdump -v -n 2 -e '1/1 "%02x"' /lib/firmware/$FIRMWARE)
  91         [[ "$magic" == "$expected" ]]
  92         return $?
  93 }
  94
  95 [ -e /lib/firmware/$FIRMWARE ] && exit 0
  96
  97 . /lib/functions.sh
  98 . /lib/functions/system.sh
  99
 100 board=$(board_name)
 101
 102
 103 case "$FIRMWARE" in
 104 "ath10k/cal-pci-0000:01:00.0.bin")
 105         case "$board" in
 106         meraki,mr33)
 107                 ath10kcal_ubi_extract "ART" 36864 2116
 108                 ath10kcal_is_caldata_valid "4408" || ath10kcal_extract "ART" 36864 2116
 109                 ath10kcal_patch_mac $(macaddr_add $(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 102) +1)
 110                 ;;
 111         esac
 112         ;;
 113 "ath10k/pre-cal-pci-0000:01:00.0.bin")
 114         case "$board" in
 115         openmesh,a62)
 116                 ath10kcal_extract "0:ART" 36864 12064
 117                 ;;
 118         esac
 119         ;;
 120 "ath10k/pre-cal-ahb-a000000.wifi.bin")
 121         case "$board" in
 122         8dev,jalapeno |\
 123         glinet,gl-b1300 |\
 124         qcom,ap-dk01.1-c1)
 125                 ath10kcal_extract "ART" 4096 12064
 126                 ;;
 127         asus,rt-ac58u)
 128                 CI_UBIPART=UBI_DEV
 129                 ath10kcal_ubi_extract "Factory" 4096 12064
 130                 ;;
 131         avm,fritzbox-4040)
 132                 /usr/bin/fritz_cal_extract -i 1 -s 0x400 -e 0x207 -l 12064 -o /lib/firmware/$FIRMWARE $(find_mtd_chardev "urlader_config")
 133                 ;;
 134         meraki,mr33)
 135                 ath10kcal_ubi_extract "ART" 4096 12064
 136                 ath10kcal_is_caldata_valid "202f" || ath10kcal_extract "ART" 4096 12064
 137                 ath10kcal_patch_mac_crc $(macaddr_add $(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 102) +2)
 138                 ;;
 139         netgear,ex6100v2 |\
 140         netgear,ex6150v2)
 141                 ath10kcal_extract "ART" 4096 12064
 142                 ath10kcal_patch_mac_crc $(mtd_get_mac_binary dnidata 0)
 143                 ;;
 144         compex,wpj428 |\
 145         openmesh,a42 |\
 146         openmesh,a62)
 147                 ath10kcal_extract "0:ART" 4096 12064
 148                 ;;
 149         zyxel,wre6606)
 150                 ath10kcal_extract "ART" 4096 12064
 151                 ath10kcal_patch_mac_crc $(macaddr_add $(cat /sys/class/net/eth0/address) -2)
 152                 ;;
 153         esac
 154         ;;
 155 "ath10k/pre-cal-ahb-a800000.wifi.bin")
 156         case "$board" in
 157         8dev,jalapeno |\
 158         glinet,gl-b1300 |\
 159         qcom,ap-dk01.1-c1)
 160                 ath10kcal_extract "ART" 20480 12064
 161                 ;;
 162         asus,rt-ac58u)
 163                 CI_UBIPART=UBI_DEV
 164                 ath10kcal_ubi_extract "Factory" 20480 12064
 165                 ;;
 166         avm,fritzbox-4040)
 167                 /usr/bin/fritz_cal_extract -i 1 -s 0x400 -e 0x208 -l 12064 -o /lib/firmware/$FIRMWARE $(find_mtd_chardev "urlader_config")
 168                 ;;
 169         meraki,mr33)
 170                 ath10kcal_ubi_extract "ART" 20480 12064
 171                 ath10kcal_is_caldata_valid "202f" || ath10kcal_extract "ART" 20480 12064
 172                 ath10kcal_patch_mac_crc $(macaddr_add $(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 102) +3)
 173                 ;;
 174         netgear,ex6100v2 |\
 175         netgear,ex6150v2)
 176                 ath10kcal_extract "ART" 20480 12064
 177                 ath10kcal_patch_mac_crc $(mtd_get_mac_binary dnidata 12)
 178                 ;;
 179         compex,wpj428 |\
 180         openmesh,a42 |\
 181         openmesh,a62)
 182                 ath10kcal_extract "0:ART" 20480 12064
 183                 ;;
 184         zyxel,wre6606)
 185                 ath10kcal_extract "ART" 20480 12064
 186                 ath10kcal_patch_mac_crc $(macaddr_add $(cat /sys/class/net/eth0/address) -1)
 187                 ;;
 188         esac
 189         ;;
 190 *)
 191         exit 1
 192         ;;
 193 esac