Initial Work for HTC One M8 Port (#1392)

* Progress can be followed in #1206
* Kernel boots with device tree from LineageOS and can
  be installed by android recovery zip
* Networking comes up at boot but there's not display yet

device/device-htc-m8/90-android-touch-dev.rules

@@ -0,0 +1,3 @@
+# Touchscreen
+SUBSYSTEM=="input", ATTRS{name}=="synaptics-rmi-touchscreen", \
+ENV{ID_INPUT}="1", ENV{ID_INPUT_TOUCHSCREEN}="1"

device/device-htc-m8/APKBUILD

@@ -0,0 +1,31 @@
+# Reference: <https://postmarketos.org/devicepkg>
+pkgname="device-htc-m8"
+pkgdesc="HTC One M8"
+pkgver=0.1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="noarch"
+options="!check"
+depends="linux-htc-m8 mkbootimg mesa-dri-swrast msm-fb-refresher postmarketos-base"
+makedepends="devicepkg-dev"
+source="deviceinfo
+	initfs-hook.sh
+	90-android-touch-dev.rules"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+	
+	install -D -m644 "$srcdir"/initfs-hook.sh \
+		"$pkgdir"/etc/postmarketos-mkinitfs/hooks/00-${pkgname}.sh
+	install -D -m644 "$srcdir"/90-android-touch-dev.rules \
+		"$pkgdir"/etc/udev/rules.d/90-android-touch-dev.rules
+}
+
+sha512sums="5bad059537b9c271111c6c023df89d523f596f0432a2b3da1f0843106a6a871c5d9df5445c5311a608d47b418f3e56e7985ae37a85c58ce46ba7b7f27cd8b2fb  deviceinfo
+765abaad5fda0dfda5e62e1e48414d3eea822198f39d0792171a04d73f86f6273a6e562afab430cbfcdd084412568a0ad03d012e9c40c5564f5cd1b9c0f181eb  initfs-hook.sh
+f0f69ab3b5b3fed11ec5049f37c71c4e9dcf87dc1f238199a3917dd61957d46783a8798d63d400cc5d3983987e750e3fec6d7117561ad5005f28131ae4821d66  90-android-touch-dev.rules"

device/device-htc-m8/deviceinfo

@@ -0,0 +1,37 @@
+# Reference: <https://postmarketos.org/deviceinfo>
+# Please use double quotes only. You can source this file in shell scripts.
+
+deviceinfo_format_version="0"
+deviceinfo_name="HTC One M8"
+deviceinfo_manufacturer="HTC"
+deviceinfo_date=""
+deviceinfo_dtb=""
+deviceinfo_modules_initfs=""
+deviceinfo_external_storage_install="true"
+deviceinfo_arch="armhf"
+
+# Device related
+deviceinfo_keyboard="false"
+deviceinfo_external_storage="true"
+deviceinfo_screen_width="1080"
+deviceinfo_screen_height="1920"
+deviceinfo_dev_touchscreen=""
+deviceinfo_dev_touchscreen_calibration=""
+deviceinfo_dev_keyboard=""
+deviceinfo_msm_refresher="true"
+
+# Bootloader related
+deviceinfo_flash_method="fastboot"
+deviceinfo_kernel_cmdline="console=ttyHSL0,115200,n8 androidboot.hardware=qcom user_debug=31 ehci-hcd.park=3 zcache androidboot.selinux=permissive"
+deviceinfo_generate_bootimg="true"
+deviceinfo_bootimg_qcdt="true"
+deviceinfo_flash_offset_base="0x00000000"
+deviceinfo_flash_offset_kernel="0x00008000"
+deviceinfo_flash_offset_ramdisk="0x02008000"
+deviceinfo_flash_offset_second="0x00f00000"
+deviceinfo_flash_offset_tags="0x01e00000"
+deviceinfo_flash_pagesize="2048"
+
+# Weston red screen workaround (see issue #54)
+deviceinfo_weston_pixman_type="2"
+

device/device-htc-m8/initfs-hook.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+# set usb properties
+echo 4 > /sys/devices/platform/android_usb/usb_function_switch

device/linux-htc-m8/02_gpu-msm-fix-gcc5-compile.patch

@@ -0,0 +1,33 @@
+source:
+https://github.com/ShinySide/HispAsian_Lollipop_G6/commit/b7756b6fc4bb728722b14d2dfdbaf1dc843812e9
+
+* These need to be static to avoid these errors:
+
+drivers/built-in.o: In function `.LANCHOR1':
+msm_iommu_sec.c:(.data+0x9298): undefined reference to `kgsl_iommu_sync_lock'
+msm_iommu_sec.c:(.data+0x929c): undefined reference to `kgsl_iommu_sync_unlock'
+Makefile:877: recipe for target '.tmp_vmlinux1' failed
+make: *** [.tmp_vmlinux1] Error 1
+
+Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
+
+--- a/drivers/gpu/msm/kgsl_iommu.c
++++ b/drivers/gpu/msm/kgsl_iommu.c
+@@ -1010,7 +1010,7 @@ static int kgsl_iommu_init_sync_lock(struct kgsl_mmu *mmu)
+  *
+  * Return - int - number of commands.
+  */
+-inline unsigned int kgsl_iommu_sync_lock(struct kgsl_mmu *mmu,
++static inline unsigned int kgsl_iommu_sync_lock(struct kgsl_mmu *mmu,
+ 						unsigned int *cmds)
+ {
+ 	struct kgsl_device *device = mmu->device;
+@@ -1080,7 +1080,7 @@ inline unsigned int kgsl_iommu_sync_lock(struct kgsl_mmu *mmu,
+  *
+  * Return - int - number of commands.
+  */
+-inline unsigned int kgsl_iommu_sync_unlock(struct kgsl_mmu *mmu,
++static inline unsigned int kgsl_iommu_sync_unlock(struct kgsl_mmu *mmu,
+ 					unsigned int *cmds)
+ {
+ 	struct kgsl_device *device = mmu->device;

device/linux-htc-m8/APKBUILD

@@ -0,0 +1,93 @@
+# Kernel config based on: arch/arm/configs/m8_defconfig
+
+pkgname="linux-htc-m8"
+pkgver=3.4.113
+pkgrel=0
+pkgdesc="HTC One M8 kernel fork"
+arch="armhf"
+_carch="arm"
+_flavor="htc-m8"
+url="https://kernel.org"
+license="GPL2"
+options="!strip !check !tracedeps"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev dtbtool xz"
+HOSTCC="${CC:-gcc}"
+HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+
+# Source
+_repository="android_kernel_htc_msm8974"
+_commit="1e7a57485c90cb838cffe022831e6bec4a599548"
+_config="config-${_flavor}.${arch}"
+source="
+	$pkgname-$_commit.tar.gz::https://github.com/LineageOS/${_repository}/archive/${_commit}.tar.gz
+	$_config
+	compiler-gcc6.h
+	02_gpu-msm-fix-gcc5-compile.patch
+	psmouse_base.patch
+"
+builddir="$srcdir/${_repository}-${_commit}"
+
+prepare() {
+	default_prepare
+
+	# gcc6 support
+	cp -v "$srcdir/compiler-gcc6.h" "$builddir/include/linux/"
+
+	# Remove -Werror from all makefiles
+	local i
+	local makefiles="$(find . -type f -name Makefile)
+		$(find . -type f -name Kbuild)"
+	for i in $makefiles; do
+		sed -i 's/-Werror-/-W/g' "$i"
+		sed -i 's/-Werror//g' "$i"
+	done
+
+	# Prepare kernel config ('yes ""' for kernels lacking olddefconfig)
+	cp "$srcdir"/$_config "$builddir"/.config
+	yes "" | make ARCH="$_carch" HOSTCC="$HOSTCC" oldconfig
+}
+
+menuconfig() {
+	cd "$builddir"
+	make ARCH="$_carch" menuconfig
+	cp .config "$startdir"/$_config
+}
+
+build() {
+	unset LDFLAGS
+	make ARCH="$_carch" CC="${CC:-gcc}" \
+		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
+
+	# Generate master DTB (deviceinfo_bootimg_qcdt)
+	dtbTool -s 2048 -p "scripts/dtc/" -o "arch/arm/boot/dt.img" "arch/arm/boot/"
+}
+
+package() {
+	# kernel.release
+	install -D "$builddir/include/config/kernel.release" \
+		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"
+
+	# zImage (find the right one)
+	cd "$builddir/arch/$_carch/boot"
+	_target="$pkgdir/boot/vmlinuz-$_flavor"
+	for _zimg in zImage-dtb Image.gz-dtb *zImage Image; do
+		[ -e "$_zimg" ] || continue
+		msg "zImage found: $_zimg"
+		install -Dm644 "$_zimg" "$_target"
+		break
+	done
+	if ! [ -e "$_target" ]; then
+		error "Could not find zImage in $PWD!"
+		return 1
+	fi
+
+	# Master DTB (deviceinfo_bootimg_qcdt)
+	install -Dm644 "$builddir/arch/arm/boot/dt.img" \
+		"$pkgdir/boot/dt.img"
+}
+
+sha512sums="3f826c698af5839fd83e9204d8d4c28db35a0e8c174c0cef005acea5fa53b2463fb0d984f2d1c99e8608ecd9698fb59e954f2e7218688f75a97fee735b7b9856  linux-htc-m8-1e7a57485c90cb838cffe022831e6bec4a599548.tar.gz
+e64aee85e627e943fa8acbf9c9600615a6c5bb97098aa7113c57fdbee60c966f064416946e97bc9ea1013a00b9771236c8a7452436144bb4566a9ba62e9fbfbf  config-htc-m8.armhf
+d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
+7be03a9e78b7ac330a54b1f00509caa0621a95c0c55901878ad757f9dd69cc05ba2c8b5ea987063ae1224f92c4d090d515fa5d369e7755181a4871b0d0f82881  02_gpu-msm-fix-gcc5-compile.patch
+f7e31cfe422696922aec52002e56c58103183966edee3bb8e1995d33f8d37b07c32280a8ecc213874e358a6ff367418556a4542fba7e3c17e4b8e82e05c3a543  psmouse_base.patch"

device/linux-htc-m8/compiler-gcc6.h

@@ -0,0 +1,69 @@
+// SOURCE:
+// https://github.com/NextThingCo/CHIP-u-boot/issues/10#issuecomment-287515505
+
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc6.h> directly, include <linux/compiler.h> instead."
+#endif
+
+#define __used				__attribute__((__used__))
+#define __must_check			__attribute__((warn_unused_result))
+#define __compiler_offsetof(a, b)	__builtin_offsetof(a, b)
+
+/* Mark functions as cold. gcc will assume any path leading to a call
+   to them will be unlikely.  This means a lot of manual unlikely()s
+   are unnecessary now for any paths leading to the usual suspects
+   like BUG(), printk(), panic() etc. [but let's keep them for now for
+   older compilers]
+
+   Early snapshots of gcc 4.3 don't support this and we can't detect this
+   in the preprocessor, but we can live with this because they're unreleased.
+   Maketime probing would be overkill here.
+
+   gcc also has a __attribute__((__hot__)) to move hot functions into
+   a special section, but I don't see any sense in this right now in
+   the kernel context */
+#define __cold			__attribute__((__cold__))
+
+#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
+
+#ifndef __CHECKER__
+# define __compiletime_warning(message) __attribute__((warning(message)))
+# define __compiletime_error(message) __attribute__((error(message)))
+#endif /* __CHECKER__ */
+
+/*
+ * Mark a position in code as unreachable.  This can be used to
+ * suppress control flow warnings after asm blocks that transfer
+ * control elsewhere.
+ *
+ * Early snapshots of gcc 4.5 don't support this and we can't detect
+ * this in the preprocessor, but we can live with this because they're
+ * unreleased.  Really, we need to have autoconf for the kernel.
+ */
+#define unreachable() __builtin_unreachable()
+
+/* Mark a function definition as prohibited from being cloned. */
+#define __noclone	__attribute__((__noclone__))
+
+/*
+ * Tell the optimizer that something else uses this function or variable.
+ */
+#define __visible __attribute__((externally_visible))
+
+/*
+ * GCC 'asm goto' miscompiles certain code sequences:
+ *
+ *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
+ *
+ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
+ *
+ * (asm goto is automatically volatile - the naming reflects this.)
+ */
+#define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0)
+
+#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
+#define __HAVE_BUILTIN_BSWAP32__
+#define __HAVE_BUILTIN_BSWAP64__
+#define __HAVE_BUILTIN_BSWAP16__
+#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
+

device/linux-htc-m8/psmouse_base.patch

@@ -0,0 +1,106 @@
+From ae4fef6fc558b0621532d0de6ebaaeaabe861792 Mon Sep 17 00:00:00 2001
+From: sub77 <sub77@ymail.com>
+Date: Fri, 31 Jul 2015 17:47:45 +0200
+Subject: [PATCH] fix build error: PS2MOUSE fsp_detect & lifebook
+
+---
+ drivers/input/mouse/psmouse-base.c | 62 +++++++++++++++++++-------------------
+ 1 file changed, 31 insertions(+), 31 deletions(-)
+
+diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
+index a19c183557d..ad3d2e861d0 100644
+--- a/drivers/input/mouse/psmouse-base.c
++++ b/drivers/input/mouse/psmouse-base.c
+@@ -708,14 +708,14 @@ static int psmouse_extensions(struct psmouse *psmouse,
+ /*
+  * We always check for lifebook because it does not disturb mouse
+  * (it only checks DMI information).
++ *
++ *	if (psmouse_do_detect(lifebook_detect, psmouse, set_properties) == 0) {
++ *		if (max_proto > PSMOUSE_IMEX) {
++ *			if (!set_properties || lifebook_init(psmouse) == 0)
++ *				return PSMOUSE_LIFEBOOK;
++ *		}
++ *	}
+  */
+-	if (psmouse_do_detect(lifebook_detect, psmouse, set_properties) == 0) {
+-		if (max_proto > PSMOUSE_IMEX) {
+-			if (!set_properties || lifebook_init(psmouse) == 0)
+-				return PSMOUSE_LIFEBOOK;
+-		}
+-	}
+-
+ /*
+  * Try Kensington ThinkingMouse (we try first, because synaptics probe
+  * upsets the thinkingmouse).
+@@ -821,19 +821,19 @@ static int psmouse_extensions(struct psmouse *psmouse,
+ /*
+  * Try Finger Sensing Pad. We do it here because its probe upsets
+  * Trackpoint devices (causing TP_READ_ID command to time out).
+- */
+-	if (max_proto > PSMOUSE_IMEX) {
+-		if (psmouse_do_detect(fsp_detect,
+-				      psmouse, set_properties) == 0) {
+-			if (!set_properties || fsp_init(psmouse) == 0)
+-				return PSMOUSE_FSP;
+-/*
++ *
++ *	if (max_proto > PSMOUSE_IMEX) {
++ *		if (psmouse_do_detect(fsp_detect,
++ *				      psmouse, set_properties) == 0) {
++ *			if (!set_properties || fsp_init(psmouse) == 0)
++ *				return PSMOUSE_FSP;
++ *
+  * Init failed, try basic relative protocols
++ *
++ *			max_proto = PSMOUSE_IMEX;
++ *		}
++ *	}
+  */
+-			max_proto = PSMOUSE_IMEX;
+-		}
+-	}
+-
+ /*
+  * Reset to defaults in case the device got confused by extended
+  * protocol probes. Note that we follow up with full reset because
+@@ -944,12 +944,12 @@ static const struct psmouse_protocol psmouse_protocols[] = {
+ 	},
+ #endif
+ #ifdef CONFIG_MOUSE_PS2_LIFEBOOK
+-	{
+-		.type		= PSMOUSE_LIFEBOOK,
+-		.name		= "LBPS/2",
+-		.alias		= "lifebook",
+-		.init		= lifebook_init,
+-	},
++/*	{
++*		.type		= PSMOUSE_LIFEBOOK,
++*		.name		= "LBPS/2",
++*		.alias		= "lifebook",
++*		.init		= lifebook_init,
++*	},*/
+ #endif
+ #ifdef CONFIG_MOUSE_PS2_TRACKPOINT
+ 	{
+@@ -985,13 +985,13 @@ static const struct psmouse_protocol psmouse_protocols[] = {
+ 	},
+ #endif
+ #ifdef CONFIG_MOUSE_PS2_SENTELIC
+-	{
+-		.type		= PSMOUSE_FSP,
+-		.name		= "FSPPS/2",
+-		.alias		= "fsp",
+-		.detect		= fsp_detect,
+-		.init		= fsp_init,
+-	},
++/*	{
++*		.type		= PSMOUSE_FSP,
++*		.name		= "FSPPS/2",
++*		.alias		= "fsp",
++*		.detect		= fsp_detect,
++*		.init		= fsp_init,
++*	},*/
+ #endif
+ 	{
+ 		.type		= PSMOUSE_CORTRON,