From cd32e018f8718b1d746f394010437ad6ce120ee7 Mon Sep 17 00:00:00 2001
From: Andrey Arapov <andrey.arapov@nixaid.com>
Date: Mon, 27 Jan 2020 22:24:06 +0100
Subject: [PATCH] add roadrunner2/macbook12-spi-driver

---
 .gitignore     |  1 +
 Makefile       | 15 ++++++++++++++-
 kernel.spec.in | 11 +++++++++++
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 986d07a..1e3a236 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ WireGuard-*.tar.xz
 WireGuard-*.tar.asc
 kernel-*/
 config-base-*
+macbook12-spi-driver-*.tar.gz
diff --git a/Makefile b/Makefile
index b2df355..b0b32e7 100644
--- a/Makefile
+++ b/Makefile
@@ -58,6 +58,12 @@ WG_SRC_URL := $(WG_BASE_URL)/$(WG_SRC_FILE)
 WG_SIG_FILE := $(WG_SRC_FILE:%.xz=%.asc)
 WG_SIG_URL := $(WG_BASE_URL)/$(WG_SIG_FILE)
 
+SPI_BASE_URL := https://github.com/roadrunner2/macbook12-spi-driver/archive
+SPI_REVISION := 31cc060adcb431efdf9cf547d600bb45bb00a7f4
+SPI_SRC_URL := $(SPI_BASE_URL)/$(SPI_REVISION).tar.gz
+SPI_SRC_FILE := macbook12-spi-driver-$(SPI_REVISION).tar.gz
+SPI_HASH_SHA256 := 46da514227bb2694e571ec4fff746d1302f41cdea5fe7cb2e522349f96ac83c1
+
 URL := $(SRC_BASEURL)/$(SRC_FILE)
 URL_SIGN := $(SRC_BASEURL)/$(SIGN_FILE)
 
@@ -65,7 +71,7 @@ ifeq ($(DOWNLOAD_FROM_GIT),1)
 URL := https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/snapshot/linux-$(VERSION).tar.gz
 endif
 
-get-sources: $(SRC_FILE) $(SIGN_FILE) $(WG_SRC_FILE) $(WG_SIG_FILE)
+get-sources: $(SRC_FILE) $(SIGN_FILE) $(WG_SRC_FILE) $(WG_SIG_FILE) $(SPI_SRC_FILE)
 
 $(SRC_FILE):
 	@wget -q -N $(URL)
@@ -79,6 +85,9 @@ $(WG_SRC_FILE):
 $(WG_SIG_FILE):
 	@wget -q -N $(WG_SIG_URL)
 
+$(SPI_SRC_FILE):
+	@wget -q -N -O $(SPI_SRC_FILE) $(SPI_SRC_URL)
+
 import-keys:
 	@if [ -n "$$GNUPGHOME" ]; then rm -f "$$GNUPGHOME/linux-kernel-trustedkeys.gpg"; fi
 	@gpg --no-auto-check-trustdb --no-default-keyring --keyring linux-kernel-trustedkeys.gpg -q --import kernel*-key.asc
@@ -94,6 +103,7 @@ else
 	# verify locally based on a signed git tag and commit hash file
 	sha512sum --quiet -c $(HASH_FILE)
 endif
+	@gunzip -c $(SPI_SRC_FILE) | sha256sum | head -c64 | grep -q "^$(SPI_HASH_SHA256)$$"
 
 .PHONY: clean-sources
 clean-sources:
@@ -103,6 +113,9 @@ endif
 ifneq ($(WG_SRC_FILE), None)
 	-rm $(WG_SRC_FILE) $(WG_SIG_FILE)
 endif
+ifneq ($(SPI_SRC_FILE), None)
+	-rm $(SPI_SRC_FILE)
+endif
 
 
 #RPM := rpmbuild --buildroot=/dev/shm/buildroot/
diff --git a/kernel.spec.in b/kernel.spec.in
index 812c5d6..3927c47 100644
--- a/kernel.spec.in
+++ b/kernel.spec.in
@@ -114,6 +114,7 @@ Source0:        linux-%{upstream_version}.tar.xz
 Source0:        linux-%{upstream_version}.tar.gz
 %endif
 Source5:	wireguard-linux-compat-0.0.20200121.tar.xz
+Source6:        macbook12-spi-driver-31cc060adcb431efdf9cf547d600bb45bb00a7f4.tar.gz
 Source16:       guards
 Source17:       apply-patches
 Source18:       mod-sign.sh
@@ -212,6 +213,9 @@ rm -rf %_builddir/wireguard
 tar x -C %_builddir -Jpf %{SOURCE5}
 mv %_builddir/$(basename %{SOURCE5} .tar.xz) %_builddir/wireguard
 
+rm -rf %_builddir/macbook12-spi-driver
+tar -x -C %_builddir -zf %{SOURCE6}
+mv %_builddir/$(basename %{SOURCE6} .tar.gz) %_builddir/macbook12-spi-driver
 
 %build
 
@@ -228,6 +232,10 @@ if [ -d "%_builddir/wireguard" ]; then
     make -C %kernel_build_dir M=%_builddir/wireguard/src modules
 fi
 
+# Build applespi, apple-ibridge, apple-ib-tb, apple-ib-als modules
+if [ -d "%_builddir/macbook12-spi-driver" ]; then
+    make -C %kernel_build_dir M=%_builddir/macbook12-spi-driver modules
+fi
 
 %define __modsign_install_post \
   if [ "%{signmodules}" -eq "1" ]; then \
@@ -288,6 +296,9 @@ fi
 if [ -d "%_builddir/wireguard" ]; then
     make modules_install $MAKE_ARGS INSTALL_MOD_PATH=%buildroot M=%_builddir/wireguard/src
 fi
+if [ -d "%_builddir/macbook12-spi-driver" ]; then
+    make modules_install $MAKE_ARGS INSTALL_MOD_PATH=%buildroot M=%_builddir/macbook12-spi-driver
+fi
 
 mkdir -p %buildroot/%src_install_dir