# Maintainer: André Silva <emulatorman@lavabit.com>
# Maintainer: Márcio Silva <coadde@lavabit.com>

pkgname=ath9k-htc-firmware
pkgver=$(LC_ALL=C date -u +%Y%m%d)
pkgrel=1
pkgdesc='Free firmware files for the Qualcomm Atheros AR7010 and AR9271 USB 802.11n NICs'
arch=('any')
url=('http://wireless.kernel.org/en/users/Drivers/ath9k_htc')
license=('BSD')
makedepends=('git' 'cmake' 'xtensa-unknown-elf-binutils' 'xtensa-unknown-elf-gcc')
source=("git://github.com/qca/open-ath9k-htc-firmware")
md5sums=('SKIP')

prepare() {

  # create firmware folder to put the free firmware files there
  install -d -m755 $pkgdir/usr/lib/firmware

  cd $srcdir/open-ath9k-htc-firmware/target_firmware
  mkdir -p build/{k2,magpie} $pkgdir/usr/lib/firmware

}

build() {

  cd $srcdir/open-ath9k-htc-firmware

  export CBUILD=$CHOST
  export CHOST="xtensa-unknown-elf"
  export CTARGET="xtensa-unknown-elf"
  export CFLAGS="-mtext-section-literals -O2 -pipe --param=ssp-buffer-size=4"
  export CXXFLAGS="${CFLAGS}"

  export CC=/usr/bin/xtensa-unknown-elf-gcc
  export CPP=/usr/bin/xtensa-unknown-elf-cpp
  export AR=/usr/bin/xtensa-unknown-elf-ar
  export AS=/usr/bin/xtensa-unknown-elf-as
  export LD=/usr/bin/xtensa-unknown-elf-ld
  export NM=/usr/bin/xtensa-unknown-elf-nm
  export OBJCOPY=/usr/bin/xtensa-unknown-elf-objcopy
  export OBJDUMP=/usr/bin/xtensa-unknown-elf-objdump
  export RANLIB=/usr/bin/xtensa-unknown-elf-ranlib
  export STRIP=/usr/bin/xtensa-unknown-elf-strip

  cat > target_firmware/build/toolchain.cmake <<EOF
INCLUDE(CMakeForceCompiler)

SET(CMAKE_CROSSCOMPILING)
SET(CMAKE_SYSTEM_NAME Linux)
SET(CMAKE_SYSTEM_PROCESSOR xtensa)
SET(CMAKE_HOST_SYSTEM_PROCESSOR xtensa)
SET(COMPILER_PREFIX "xtensa-unknown-elf")
SET(GNU_HOST "xtensa-unknown-elf")
SET(CMAKE_FIND_ROOT_PATH /usr/xtensa-unknown-elf)
SET(CMAKE_C_COMPILER /usr/bin/xtensa-unknown-elf-gcc)
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY FIRST)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE FIRST)

CMAKE_FORCE_C_COMPILER(/usr/bin/xtensa-unknown-elf-gcc GNU)
EOF

  cd $srcdir/open-ath9k-htc-firmware/target_firmware/build/k2

  cmake -DCMAKE_TOOLCHAIN_FILE=$srcdir/open-ath9k-htc-firmware/target_firmware/build/toolchain.cmake "$@" -DTARGET_K2=ON ../..
  cd -

  cd $srcdir/open-ath9k-htc-firmware/target_firmware/build/magpie

  cmake -DCMAKE_TOOLCHAIN_FILE=$srcdir/open-ath9k-htc-firmware/target_firmware/build/toolchain.cmake "$@" -DTARGET_MAGPIE=ON ../..
  cd -

  cd $srcdir/open-ath9k-htc-firmware/target_firmware

  sed -i 's|/usr/bin/gcc|/usr/bin/xtensa-unknown-elf-gcc|g;
          s|/usr/bin/cpp|/usr/bin/xtensa-unknown-elf-cpp|g;
          s|/usr/bin/ar|/usr/bin/xtensa-unknown-elf-ar|g;
          s|/usr/bin/as|/usr/bin/xtensa-unknown-elf-as|g;
          s|/usr/bin/ld|/usr/bin/xtensa-unknown-elf-ld|g;
          s|/usr/bin/nm|/usr/bin/xtensa-unknown-elf-nm|g;
          s|/usr/bin/objcopy|/usr/bin/xtensa-unknown-elf-objcopy|g;
          s|/usr/bin/objdump|/usr/bin/xtensa-unknown-elf-objdump|g;
          s|/usr/bin/ranlib|/usr/bin/xtensa-unknown-elf-ranlib|g;
          s|/usr/bin/strip|/usr/bin/xtensa-unknown-elf-strip|g;
          s|/usr/local|/usr|g;
         ' $(grep -rlI /usr/bin/gcc) \
           $(grep -rlI /usr/bin/cpp) \
           $(grep -rlI /usr/bin/ld) \
           $(grep -rlI /usr/bin/ar) \
           $(grep -rlI /usr/bin/as) \
           $(grep -rlI /usr/bin/nm) \
           $(grep -rlI /usr/bin/objcopy) \
           $(grep -rlI /usr/bin/objdump) \
           $(grep -rlI /usr/bin/ranlib) \
           $(grep -rlI /usr/bin/strip) \
           $(grep -rlI /usr/local)

  make \
    CC="${CC}" CPP="${CPP}" AR="${AR}" AS="${AS}" LD="${LD}" NM="${NM}" \
    OBJCOPY="${OBJCOPY}" OBJDUMP="${OBJDUMP}" RANLIB="${RANLIB}" STRIP="${STRIP}" \
    -C build/k2
  make \
    CC="${CC}" CPP="${CPP}" AR="${AR}" AS="${AS}" LD="${LD}" NM="${NM}" \
    OBJCOPY="${OBJCOPY}" OBJDUMP="${OBJDUMP}" RANLIB="${RANLIB}" STRIP="${STRIP}" \
    -C build/magpie

}

package() {

  cd $srcdir/open-ath9k-htc-firmware/target_firmware

  # move firmware files to firmware folder
  cp build/{k2,magpie}/htc_*.fw $pkgdir/usr/lib/firmware

  # create licenses folder to put the licenses files there
  install -d -m755 $pkgdir/usr/share/licenses/$pkgname

  # move LICENSE.TXT from ath9k-htc firmware to linux-firmware license folder
  cd $srcdir/open-ath9k-htc-firmware-1.3.2
  mv LICENSE.TXT $pkgdir/usr/share/licenses/$pkgname/LICENCE
  
}