# Maintainer: Dieghen89 <dieghen89@gmail.com>

pkgname=kernel-netbook
true && pkgname=('kernel-netbook' 'kernel-netbook-headers')

_basekernel=2.6.37
pkgver=2.6.37.1
pkgrel=1
_kernver="$_basekernel-netbook"
arch=('i686')
license=('GPL2')
url=('http://code.google.com/p/kernel-netbook')

####################################
md5sums=('c8ee37b4fdccdb651e0603d35350b434'
         '39bb8ff13c9a6f7c99b32287c2993cbe'
         'c0074a1622c75916442e26763ddf47d0'
         '1728f86fb9af46a2222a9280a87f6488'
         'ddacb0fd57d053bdfb0ea579cf999720'
         '2c94597844230d6095fde8a4ecf3c132'
         '99e6e0a3e328336192fa3cc7d1e70e01'
         'f23fe16ae73702292969baaa4b798d0f'
         '2bb172117ede96c14289f9f9bc34f58f'
         'aee89fe7f034aea2f2ca95322774c1b5'
         '21ce3f7967d7305064bf7eb60030ffea'
         '2d321460daf2d6ffab28c51664dd164e'
	 '2b13a513b7fe267d15a7f6088c8db8d7')
###################################
#  external drivers  and firmware #
###################################

#Arch patchset
patchname=patch-${pkgver}-${pkgrel}-ARCH
#Broadcom-wl:
broadcom_ver=5.100.82.38
broadcom="hybrid-portsrc_x86_32-v${broadcom_ver//./_}"
#Stk11xx:
stk11xx_ver="2.1.0"
stk11xx="stk11xx-$stk11xx_ver"
#BFS: - http://users.on.net/~ckolivas/kernel/ -
_ckpatchversion=2
_ckpatchname="patch-${_basekernel}-ck${_ckpatchversion}"
#BFQ: - http://algo.ing.unimo.it/people/paolo/disk_sched/ -
_bfpatchversion="1"
_bfqpath="http://algo.ing.unimo.it/people/paolo/disk_sched/patches/2.6.37"

##### Sources #####
source=( #kernel sources and arch patchset
	"ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-${_basekernel}.tar.bz2"
	"ftp://ftp.archlinux.org/other/kernel26/${patchname}.bz2"
	#external drivers:
	"http://www.broadcom.com/docs/linux_sta/${broadcom}.tar.gz"
	#"http://switch.dl.sourceforge.net/sourceforge/syntekdriver/stk11xx-$stk11xx_ver.tar.gz"
	#BFS patch:
	"http://www.kernel.org/pub/linux/kernel/people/ck/patches/2.6/${_basekernel}/${_basekernel}-ck${_ckpatchversion}/${_ckpatchname}.bz2"
	#"http://www.kernel.org/pub/linux/kernel/people/ck/patches/2.6/${_basekernel}/${_basekernel}-ck${_ckpatchversion}/${_ckpatchname}.bz2"
	#"http://ck.kolivas.org/patches/bfs/2.6.36/${_basekernel}-ck${_ckpatchversion}-bfs-360.patch" # update to bfs360
	#BFQ patch:
	"${_bfqpath}/0001-bfq_iosched-block-prepare_IO_context_code-v${_bfpatchversion}-${_basekernel}.patch"
	"${_bfqpath}/0002-bfq_iosched-block-add-cgroups-kconfig-and-build-bits-for-BFQ-v${_bfpatchversion}-${_basekernel}.patch"
	"${_bfqpath}/0003-bfq_iosched-block-introduce_BFQ-v${_bfpatchversion}-${_basekernel}.patch"
	#Others:
	"config"
	"license.patch"
	"semaphore.patch"
	"mutex-sema.patch"
	"kernel-netbook.preset"
	"http://aur.archlinux.org/packages/kernel26-ck/kernel26-ck/ck2_2.6.37.1.patch" # fix for BFS 2.6.37-ck2)
	
build() {
  ### koeleck's patch for 2.6.37-ck2 http://aur.pastebin.com/ajz5yyUC
  cd $srcdir
  patch -Np1 -i ${srcdir}/ck2_2.6.37.1.patch
  
  cd ${srcdir}/linux-$_basekernel

  # patching the kernel with:
  # --> arch patchset
  msg "Patching source with Arch Official Patchset:"
  patch -Np1 -i ${srcdir}/$patchname

  # --> BFS
  msg "Patching source with BFS patch:"
  #Adjust localversion
  sed -i -e "s/-ck${_ckpatchversion}//g" ${srcdir}/${_ckpatchname}
  #sed -i -e "s/-ck${_ckpatchversion}//g" ${srcdir}/${_basekernel}-ck${_ckpatchversion}-bfs-360.patch
  #patching time
  patch -Np1 -i ${srcdir}/${_ckpatchname}
  #msg "Updating bfs357 to bfs360"
  #patch -Np1 -i ${srcdir}/2.6.36-ck2-bfs-360.patch

  # --> BFQ
  msg "Patching source with BFQ patches"
  for i in $(ls ${srcdir}/*-bfq_*); do
    patch -Np1 -i $i
  done

  # copy config
  cp ../config ./.config

  make prepare

  # make defconfig
  # configure kernel    
  # use menuconfig, if you want to change the configuration
  make menuconfig
  # make gconfig
  # yes "" | make config
  # build kernel
  msg "Now starts something magic:"
  make
}

package_kernel-netbook() {
  pkgdesc="Static kernel with KMS for netbooks with Intel Atom N270/N280/N450 such as eeepc with the add-on of external firmware (broadcom-wl, stk11xx) - Old kernel26-901 - Only Intel graphic card - Give more power to your netbook!"
  depends=('coreutils' 'module-init-tools')
  provides=('stk11xx' 'stk11xx-svn')
  install=kernel-netbook.install
  optdepends=('crda: for wireless regulatory domain support' 'linux-firmware: firmware for rt2860 and tigon3')
  groups=(eee)

  cd ${srcdir}/linux-$_basekernel
  # install our modules
  mkdir -p $pkgdir/{lib/modules,boot}
  make INSTALL_MOD_PATH=$pkgdir modules_install
  
  # remove the junk symlinks
  rm -r $pkgdir/lib/modules/$_kernver/{source,build}

  # remove the firmware directory
  rm -rf ${pkgdir}/lib/firmware

  # install the kernel
  install -D -m644 ${srcdir}/linux-$_basekernel/System.map $pkgdir/boot/System.map-netbook
  install -D -m644 ${srcdir}/linux-$_basekernel/arch/x86/boot/bzImage ${pkgdir}/boot/vmlinuz-netbook
  install -D -m644 ${srcdir}/linux-$_basekernel/.config $pkgdir/boot/kconfig-netbook

  # install preset file for mkinitcpio
  sed -i -e "s/ALL_kver=.*/ALL_kver=\'${_kernver}\'/g" $startdir/$pkgname.preset
  install -m644 -D ${srcdir}/kernel-netbook.preset ${pkgdir}/etc/mkinitcpio.d/${pkgname}.preset

  # set correct depmod command for install
  sed -i -e "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/g" $startdir/$pkgname.install

##Section: Broadcom-wl
  msg "Compiling broadcom-wl module:"
  cd ${srcdir}/
  #patching broadcom as broadcom-wl package on AUR
  patch -p1 < license.patch
  patch -p1 < semaphore.patch
  patch -p1 < mutex-sema.patch
  #KBUILD_NOPEDANTIC=1 make -C ${srcdir}/linux-$_basekernel M=`pwd`
  make -C ${srcdir}/linux-$_basekernel M=`pwd`
  install -D -m 755 wl.ko ${pkgdir}/lib/modules/$_kernver/kernel/drivers/net/wireless/wl.ko
  
##Section: stk11xx
  #msg "Compiling stk11xx module:"
  #cd $srcdir/stk11xx-$stk11xx_ver
  #make -C $srcdir/linux-${_basekernel}/ SUBDIRS=$srcdir/stk11xx-2.1.0 modules
  #install -D -m 644 $srcdir/stk11xx-$stk11xx_ver/stk11xx.ko $pkgdir/lib/modules/$_kernver/kernel/drivers/media/video
  #install -D -m 644 $srcdir/stk11xx-$stk11xx_ver/README $pkgdir/usr/share/stk11xx.readme
}

package_kernel-netbook-headers() {
  KARCH=x86
  pkgdesc="Header files and scripts for building modules for kernel-netbook"
  mkdir -p ${pkgdir}/lib/modules/${_kernver}
  cd ${pkgdir}/lib/modules/${_kernver}
  ln -sf ../../../usr/src/linux-${_kernver} build
  cd ${srcdir}/linux-$_basekernel
  install -D -m644 Makefile \
    ${pkgdir}/usr/src/linux-${_kernver}/Makefile
  install -D -m644 kernel/Makefile \
    ${pkgdir}/usr/src/linux-${_kernver}/kernel/Makefile
  install -D -m644 .config \
    ${pkgdir}/usr/src/linux-${_kernver}/.config
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/include

  for i in acpi asm-generic config generated linux math-emu media net pcmcia scsi sound trace video; do
    cp -a include/$i ${pkgdir}/usr/src/linux-${_kernver}/include/
  done

  # copy arch includes for external modules
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/arch/x86
  cp -a arch/x86/include ${pkgdir}/usr/src/linux-${_kernver}/arch/x86/

  # copy files necessary for later builds, like nvidia and vmware
  cp Module.symvers ${pkgdir}/usr/src/linux-${_kernver}
  cp -a scripts ${pkgdir}/usr/src/linux-${_kernver}
  # fix permissions on scripts dir
  chmod og-w -R ${pkgdir}/usr/src/linux-${_kernver}/scripts
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/.tmp_versions

  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH/kernel

  cp arch/$KARCH/Makefile ${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH/
  cp arch/$KARCH/Makefile_32.cpu ${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH/
  cp arch/$KARCH/kernel/asm-offsets.s ${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH/kernel/

  # add headers for lirc package
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video
  cp drivers/media/video/*.h  ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/
  for i in bt8xx cpia2 cx25840 cx88 em28xx et61x251 pwc saa7134 sn9c102 usbvideo; do
   mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/$i
   cp -a drivers/media/video/$i/*.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/$i
  done
  # add docbook makefile
  install -D -m644 Documentation/DocBook/Makefile \
    ${pkgdir}/usr/src/linux-${_kernver}/Documentation/DocBook/Makefile
  # add dm headers
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/md
  cp drivers/md/*.h  ${pkgdir}/usr/src/linux-${_kernver}/drivers/md
  # add inotify.h
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/include/linux
  cp include/linux/inotify.h ${pkgdir}/usr/src/linux-${_kernver}/include/linux/
  # add wireless headers
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/net/mac80211/
  cp net/mac80211/*.h ${pkgdir}/usr/src/linux-${_kernver}/net/mac80211/
  # add dvb headers for external modules
  # in reference to:
  # http://bugs.archlinux.org/task/9912
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-core
  cp drivers/media/dvb/dvb-core/*.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-core/
  # add dvb headers for external modules
  # in reference to:
  # http://bugs.archlinux.org/task/11194
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/include/config/dvb/
  cp include/config/dvb/*.h ${pkgdir}/usr/src/linux-${_kernver}/include/config/dvb/
  # add dvb headers for http://mcentral.de/hg/~mrec/em28xx-new
  # in reference to:
  # http://bugs.archlinux.org/task/13146
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/
  cp drivers/media/dvb/frontends/lgdt330x.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/
  cp drivers/media/video/msp3400-driver.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/
  # add dvb headers  
  # in reference to:
  # http://bugs.archlinux.org/task/20402
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-usb
  cp drivers/media/dvb/dvb-usb/*.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-usb/
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends
  cp drivers/media/dvb/frontends/*.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/common/tuners
  cp drivers/media/common/tuners/*.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/common/tuners/
  # add xfs and shmem for aufs building
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/fs/xfs
  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/mm
  cp fs/xfs/xfs_sb.h ${pkgdir}/usr/src/linux-${_kernver}/fs/xfs/xfs_sb.h
  # add headers vor virtualbox
  # in reference to:
  # http://bugs.archlinux.org/task/14568
  cp -a include/drm $pkgdir/usr/src/linux-${_kernver}/include/
  # add headers for broadcom wl
  # in reference to:
  # http://bugs.archlinux.org/task/14568
  cp -a include/trace $pkgdir/usr/src/linux-${_kernver}/include/
  # copy in Kconfig files
  for i in `find . -name "Kconfig*"`; do 
    mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/`echo $i | sed 's|/Kconfig.*||'`
    cp $i ${pkgdir}/usr/src/linux-${_kernver}/$i
  done

  chown -R root.root ${pkgdir}/usr/src/linux-${_kernver}
  find ${pkgdir}/usr/src/linux-${_kernver} -type d -exec chmod 755 {} \;
  # remove unneeded architectures
  rm -rf ${pkgdir}/usr/src/linux-${_kernver}/arch/{alpha,arm,arm26,avr32,blackfin,cris,frv,h8300,ia64,m32r,m68k,m68knommu,mips,microblaze,mn10300,parisc,powerpc,ppc,s390,sh,sh64,sparc,sparc64,um,v850,xtensa}
}

# Global pkgdesc and depends are here so that they will be picked up by AUR
pkgdesc="Static kernel with KMS for netbooks with Intel Atom N270/N280/N450 such as eeepc with the add-on of external firmware (broadcom-wl, stk11xx) - Old kernel26-901 - Only Intel graphic card - Give more power to your netbook!"
depends=('coreutils' 'module-init-tools')