_flavor=nokia-n9
_config="config-${_flavor}.armhf"

pkgname=linux-${_flavor}
pkgver=4.17_rc4
_pkgver=${pkgver/_/-}
_kernver=${pkgver%_rc*}
_mainver=${_kernver%.*}
_patchlevel=${_kernver/$_mainver./}
_basever=${_mainver}.$((_patchlevel-1))
case $pkgver in
	*.*.*)  _kernver=${pkgver%.*};;
	*.*) _kernver=$pkgver;;
esac
pkgrel=0
arch="armhf"
pkgdesc="Nokia N9 kernel"
url="https://kernel.org"
depends=""
makedepends="perl sed installkernel bash gmp-dev bc linux-headers openssl-dev flex bison"
options="!strip !check !tracedeps"
source="
	https://cdn.kernel.org/pub/linux/kernel/v$_mainver.x/linux-$_basever.tar.xz
	linux-v$_basever-v$_pkgver.patch::https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/rawdiff/?id=v$_pkgver&id2=v$_basever
	0001-SREv2.patch
	0002-drm-add-rename-MIPI_DCS_SET_PARTIAL_XXX.patch
	0003-drm-omap-panel-dsi-cm-use-defines-from-mipi_display..patch
	0004-ARM-dts-n9-add-display-support.patch
	0005-Revert-drm-omap-work-around-for-omap3-display-enable.patch
	0006-HACK-drm-omap-panel-dsi-cm-force-0xff-for-brigthness.patch
	0007-ARM-dts-N9-N950-Add-touchscreen-support.patch
	0008-misc-apds990x-Add-device-tree-support.patch
	0009-misc-apds990x-convert-to-iio.patch
	0010-ARM-dts-N9-Add-support-for-apds990x-ALS-PS.patch
	0011-HACK-export-dma-access-functions-needed-by-PVR-drive.patch
	$_config
	RM-696_Pyrenees_SMD_V1_6.raw
"
subpackages=""
license="GPL2"

_abi_release=${pkgver}
_carch="arm"

# Compiler: latest GCC from Alpine
HOSTCC="${CC:-gcc}"
HOSTCC="${HOSTCC#${CROSS_COMPILE}}"

ksrcdir="$srcdir/linux-$_basever"

prepare() {
	local _patch_failed=
	cd "$ksrcdir"

	source_patches="linux-v$_basever-v$_pkgver.patch
	$source"
	# first apply patches in specified order
	for i in $source_patches; do
		case $i in
		*.patch)
			msg "Applying $i..."
			if ! patch -s -p1 -N -i "$srcdir"/$i; then
				echo $i >>failed
				_patch_failed=1
			fi
			;;
		esac
	done

	if ! [ -z "$_patch_failed" ]; then
		error "The following patches failed:"
		cat failed
		return 1
	fi

	# Atmel maXTouch configuration
	cp "$srcdir/RM-696_Pyrenees_SMD_V1_6.raw" "$ksrcdir/firmware/maxtouch.cfg"

	mkdir -p "$srcdir"/build
	cp "$srcdir"/$_config "$srcdir"/build/.config || return 1
	make -C "$ksrcdir" O="$srcdir"/build ARCH="$_carch" HOSTCC="$HOSTCC" \
		olddefconfig
}

build() {
	cd "$srcdir"/build
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine" \
		|| return 1
	cd ${ksrcdir}
}

package() {
	cd "$srcdir/build/arch/arm/boot"

	cat zImage dts/omap3-n9.dtb > zImage-dtb

	install -Dm644 "$srcdir/build/arch/arm/boot/zImage-dtb" \
		"$pkgdir/boot/vmlinuz-$_flavor"

	install -D "$srcdir/build/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"

	cd "$srcdir"/build

	make -j1 modules_install \
		ARCH="$_carch" \
		INSTALL_MOD_PATH="$pkgdir" INSTALL_MOD_STRIP=1
}

sha512sums="ab47849314b177d0eec9dbf261f33972b0d89fb92fb0650130ffa7abc2f36c0fab2d06317dc1683c51a472a9a631573a9b1e7258d6281a2ee189897827f14662  linux-4.16.tar.xz
7642aed8440407d6287b9b2b02ce2bfeb544fce0b9a67ab2a1d7bfabd6a4873fc79b52fbcf6542d358cb625ff0bb26b13a304b3daa858490bbcac3567392e5e9  linux-v4.16-v4.17-rc4.patch
0939e39c44eabc74fb970294599a720dcd3dc56e2836e4c20ffe9af5f132080c4ce72daca4996723f47cae924d67980f542bc010fcdbc757617ea30eff2c4529  0001-SREv2.patch
67b05fba89abb9c39e06a5a636534ac7b732e09d5cebff09fb214383fd03c3bcb1c3cf9736de3c533474b5d34e7f0ecc284ab9cf4a37f7a94914a005847acdc9  0002-drm-add-rename-MIPI_DCS_SET_PARTIAL_XXX.patch
2901f07d72371cc004dd7520c35279aa1c4d196575663641cc152e841b623337592d0651fcf95550df77325c5a47a7f722b4b86a3b72d7686e5ae8fa7b0240d4  0003-drm-omap-panel-dsi-cm-use-defines-from-mipi_display..patch
555991324491b138fce123bef5f5996392472336128bb2db4c10a4b6aa77c5b3133245fa01bfb122046f99a491a54ea91fc3a0b743d02bd71bddbe14fde87d25  0004-ARM-dts-n9-add-display-support.patch
62411b4298663f18611bf1407c088df8e359f197cd5ebcbd8cdb1a6a5138ffeb1e31b161ab5cd152b93ab486b0b92e1f27875006b07d0cc3392324a11b41ab79  0005-Revert-drm-omap-work-around-for-omap3-display-enable.patch
69af520fee8164f94071857ed2bd7968e2b8ab437a4b045cd3dff9fa2ad1d532aff9a28a816c3bc54e38bf3b30be64f9aab993106c6710249febb8d5d1b6364d  0006-HACK-drm-omap-panel-dsi-cm-force-0xff-for-brigthness.patch
282da831cc2eedaf532526dbec165c8ced30bd29e5c32b6616b3ec9e568ce5e8748db12801d508049ed1b821600df415ed677e57daae8b863e69876a6fc3e19d  0007-ARM-dts-N9-N950-Add-touchscreen-support.patch
ac1173aa911326b467d3d453dba80641c1d32302989acebc2a3bdb14236c56dca6ace4f6e848a2d1901944d57ab901c6830bc5a3efe33edc39db5177595fbeb8  0008-misc-apds990x-Add-device-tree-support.patch
c2130e7b5aa389d1377a027acced3af6caf57bd797d4326cd5f3088af5fbcd5ade5764f27c1d12306ab5905a05583eab8e3ddaac6fafc868aa13b8c004039485  0009-misc-apds990x-convert-to-iio.patch
a260f4e218416ec51740ddc01b74f177123211604428a0204fd1098230503d64e6a7ba14073747de24195e9a2dbeabac7e971232bf4fde193d1ac6b15377d6d7  0010-ARM-dts-N9-Add-support-for-apds990x-ALS-PS.patch
8ad7e3b360139fcd5d79b4cbcf5bfca2f394807394aed022177d5b5fc843b7e0785c93f2ee1ff66e9bcac54ca191fbef30d62a5d6b7eec1ae2f7f9dd70a65fa3  0011-HACK-export-dma-access-functions-needed-by-PVR-drive.patch
b666d18e505bdf9f806f133b0930555ab911cd8625f84b6d2a9caa9cffa805c6fc2c9c0485f9e3dea19b29c7c43cd688d4a5f2d3722d33f67b6435944a164ee0  config-nokia-n9.armhf
a9b2eba95ead1226108bf664f49bcad70be99df7284ba807abdbd86a8dc68ebda6fc5d88c15846009f7748f1ae4d6735477d316bb9f298e7728071dad506b35f  RM-696_Pyrenees_SMD_V1_6.raw"