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_crc() {
  57         local mac=$1
  58         local mac_offset=6
  59         local chksum_offset=2
  60         local xor_mac
  61         local xor_fw_mac
  62         local xor_fw_chksum
  63
  64         [ -z "$mac" ] && return
  65
  66         xor_fw_mac=$(hexdump -v -n 6 -s $mac_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
  67         xor_fw_mac="${xor_fw_mac:0:4} ${xor_fw_mac:4:4} ${xor_fw_mac:8:4}"
  68
  69         macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=6 count=6
  70
  71         xor_mac=${mac//:/}
  72         xor_mac="${xor_mac:0:4} ${xor_mac:4:4} ${xor_mac:8:4}"
  73
  74         xor_fw_chksum=$(hexdump -v -n 2 -s $chksum_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
  75         xor_fw_chksum=$(xor $xor_fw_chksum $xor_fw_mac $xor_mac)
  76
  77         printf "%b" "\x${xor_fw_chksum:0:2}\x${xor_fw_chksum:2:2}" | \
  78                 dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$chksum_offset count=2
  79 }
  80
  81 ath10kcal_is_caldata_valid() {
  82         local expected="$1"
  83
  84         magic=$(hexdump -v -n 2 -e '1/1 "%02x"' /lib/firmware/$FIRMWARE)
  85         [[ "$magic" == "$expected" ]]
  86         return $?
  87 }
  88
  89 [ -e /lib/firmware/$FIRMWARE ] && exit 0
  90
  91 . /lib/functions.sh
  92 . /lib/functions/system.sh
  93
  94 board=$(board_name)
  95
  96
  97 case "$FIRMWARE" in
  98 "ath10k/cal-pci-0000:01:00.0.bin")
  99         case "$board" in
 100         meraki,mr33)
 101                 ath10kcal_ubi_extract "ART" 36864 2116
 102                 ath10kcal_is_caldata_valid "4408" || ath10kcal_extract "ART" 36864 2116
 103                 ath10kcal_patch_mac_crc $(macaddr_add $(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 102) +1)
 104                 ;;
 105         esac
 106         ;;
 107 "ath10k/pre-cal-pci-0000:01:00.0.bin")
 108         case "$board" in
 109         openmesh,a62)
 110                 ath10kcal_extract "0:ART" 36864 12064
 111                 ;;
 112         esac
 113         ;;
 114 "ath10k/pre-cal-ahb-a000000.wifi.bin")
 115         case "$board" in
 116         8dev,jalapeno |\
 117         glinet,gl-b1300 |\
 118         qcom,ap-dk01.1-c1)
 119                 ath10kcal_extract "ART" 4096 12064
 120                 ;;
 121         asus,rt-ac58u)
 122                 CI_UBIPART=UBI_DEV
 123                 ath10kcal_ubi_extract "Factory" 4096 12064
 124                 ;;
 125         avm,fritzbox-4040)
 126                 /usr/bin/fritz_cal_extract -i 1 -s 0x400 -e 0x207 -l 12064 -o /lib/firmware/$FIRMWARE $(find_mtd_chardev "urlader_config")
 127                 ;;
 128         meraki,mr33)
 129                 ath10kcal_ubi_extract "ART" 4096 12064
 130                 ath10kcal_is_caldata_valid "202f" || ath10kcal_extract "ART" 4096 12064
 131                 ath10kcal_patch_mac_crc $(macaddr_add $(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 102) +2)
 132                 ;;
 133         netgear,ex6100v2 |\
 134         netgear,ex6150v2)
 135                 ath10kcal_extract "ART" 4096 12064
 136                 ath10kcal_patch_mac_crc $(mtd_get_mac_binary dnidata 0)
 137                 ;;
 138         compex,wpj428 |\
 139         engenius,eap1300 |\
 140         openmesh,a42 |\
 141         openmesh,a62)
 142                 ath10kcal_extract "0:ART" 4096 12064
 143                 ;;
 144         zyxel,nbg6617 |\
 145         zyxel,wre6606)
 146                 ath10kcal_extract "ART" 4096 12064
 147                 ath10kcal_patch_mac_crc $(macaddr_add $(cat /sys/class/net/eth0/address) -2)
 148                 ;;
 149         esac
 150         ;;
 151 "ath10k/pre-cal-ahb-a800000.wifi.bin")
 152         case "$board" in
 153         8dev,jalapeno |\
 154         glinet,gl-b1300 |\
 155         qcom,ap-dk01.1-c1)
 156                 ath10kcal_extract "ART" 20480 12064
 157                 ;;
 158         asus,rt-ac58u)
 159                 CI_UBIPART=UBI_DEV
 160                 ath10kcal_ubi_extract "Factory" 20480 12064
 161                 ;;
 162         avm,fritzbox-4040)
 163                 /usr/bin/fritz_cal_extract -i 1 -s 0x400 -e 0x208 -l 12064 -o /lib/firmware/$FIRMWARE $(find_mtd_chardev "urlader_config")
 164                 ;;
 165         meraki,mr33)
 166                 ath10kcal_ubi_extract "ART" 20480 12064
 167                 ath10kcal_is_caldata_valid "202f" || ath10kcal_extract "ART" 20480 12064
 168                 ath10kcal_patch_mac_crc $(macaddr_add $(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 102) +3)
 169                 ;;
 170         netgear,ex6100v2 |\
 171         netgear,ex6150v2)
 172                 ath10kcal_extract "ART" 20480 12064
 173                 ath10kcal_patch_mac_crc $(mtd_get_mac_binary dnidata 12)
 174                 ;;
 175         compex,wpj428 |\
 176         engenius,eap1300 |\
 177         openmesh,a42 |\
 178         openmesh,a62)
 179                 ath10kcal_extract "0:ART" 20480 12064
 180                 ;;
 181         zyxel,nbg6617 |\
 182         zyxel,wre6606)
 183                 ath10kcal_extract "ART" 20480 12064
 184                 ath10kcal_patch_mac_crc $(macaddr_add $(cat /sys/class/net/eth0/address) -1)
 185                 ;;
 186         esac
 187         ;;
 188 *)
 189         exit 1
 190         ;;
 191 esac