From fd7b81fa92136ea0cf7b0ed5eac846e3623a54ef Mon Sep 17 00:00:00 2001
From: Anton Bolshakov <blshkv@pentoo.ch>
Date: Wed, 12 Apr 2023 22:54:59 +0800
Subject: [PATCH] nvidia-bl: WIP

---
 sys-kernel/nvidia-bl/Manifest                 |  1 +
 sys-kernel/nvidia-bl/files/update.patch       | 56 +++++++++++++++++++
 .../nvidia-bl/nvidia-bl-20181126.ebuild       | 39 +++++++++++++
 3 files changed, 96 insertions(+)
 create mode 100644 sys-kernel/nvidia-bl/Manifest
 create mode 100644 sys-kernel/nvidia-bl/files/update.patch
 create mode 100644 sys-kernel/nvidia-bl/nvidia-bl-20181126.ebuild

diff --git a/sys-kernel/nvidia-bl/Manifest b/sys-kernel/nvidia-bl/Manifest
new file mode 100644
index 000000000..30a065277
--- /dev/null
+++ b/sys-kernel/nvidia-bl/Manifest
@@ -0,0 +1 @@
+DIST nvidia-bl-dkms.tar.gz 8560 BLAKE2B 4ad85581effa37886f66fcd9bcadf4d628de221521a1f4af73b0f5adc084a0a2b38567e21a6df5be5277e7529d3575912b2fd286ccf0f6ba59909aedc6255c52 SHA512 60db247c8cb4daec5206e55ece33cb62099a9709b533ad945c219482354978ae3eed9b858d3c2405c27bd0fca35aad5640cd74cd62a8a5453ecd914b57dcb05f
diff --git a/sys-kernel/nvidia-bl/files/update.patch b/sys-kernel/nvidia-bl/files/update.patch
new file mode 100644
index 000000000..7db22ab73
--- /dev/null
+++ b/sys-kernel/nvidia-bl/files/update.patch
@@ -0,0 +1,56 @@
+diff --git a/Makefile b/Makefile
+index 4c16ce1..1121cf6 100644
+--- a/Makefile
++++ b/Makefile
+@@ -9,7 +9,7 @@ KDIR    := /usr/lib/modules/$(KVER)/build
+ PWD    := $(shell pwd)
+
+ default:
+-	$(MAKE) -C $(KDIR) SUBDIRS=$(PWD) modules
++	$(MAKE) -C $(KDIR) M=$(PWD) SUBDIRS=$(PWD) modules
+	
+ clean:
+-	$(MAKE) -C $(KDIR) SUBDIRS=$(PWD) clean
++	$(MAKE) -C $(KDIR) M=$(PWD) SUBDIRS=$(PWD) clean
+diff --git a/nvidia_bl.c b/nvidia_bl.c
+index c1d3593..e7dfccb 100644
+--- a/nvidia_bl.c
++++ b/nvidia_bl.c
+@@ -538,17 +538,17 @@ static const unsigned nvidia_bl_subvendors[] __initdata = {
+ /*
+  * Machine specific quirks used below.
+  */
+-static const struct machine_quirks apple_quirks __initdata = {
++static const struct machine_quirks apple_quirks = {
+	.dev_id		= PCI_ANY_ID,
+	.max_level	= 1023
+ };
+
+-static const struct machine_quirks apple_quirks_320m __initdata = {
++static const struct machine_quirks apple_quirks_320m = {
+	.dev_id		= PCI_ANY_ID,
+	.max_level	= 44000
+ };
+
+-static const struct machine_quirks max_level_0x1ffff __initdata = {
++static const struct machine_quirks max_level_0x1ffff = {
+	.dev_id		= PCI_ANY_ID,
+	.max_level	= 0x1ffff
+ };
+@@ -565,7 +565,7 @@ static int nvidia_bl_dmi_match(const struct dmi_system_id *id)
+    return 1;
+ }
+
+-static const struct dmi_system_id nvidia_bl_machine_table[] __initdata = {
++static const struct dmi_system_id nvidia_bl_machine_table[] = {
+	/*
+	* Apple machines: Intel chipset, Nvidia graphics
+	*/
+@@ -925,7 +925,7 @@ static int nvidia_bl_map_smartdimmer(struct driver_data *dd)
+		        "smartdimmer at 0x%lx\n", dd->bar, bar_start, reg_addr);
+
+	/* Now really map (The address need not be page-aligned.) */
+-	dd->smartdimmer = ioremap_nocache(reg_addr, dd->reg_size);
++	dd->smartdimmer = ioremap_cache(reg_addr, dd->reg_size);
+	if (!dd->smartdimmer)
+		return -ENXIO;
diff --git a/sys-kernel/nvidia-bl/nvidia-bl-20181126.ebuild b/sys-kernel/nvidia-bl/nvidia-bl-20181126.ebuild
new file mode 100644
index 000000000..4d0a75f95
--- /dev/null
+++ b/sys-kernel/nvidia-bl/nvidia-bl-20181126.ebuild
@@ -0,0 +1,39 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit linux-mod
+
+DESCRIPTION="Driver to adjust display backlight on legacy mobile NVidia graphics adapters"
+HOMEPAGE="https://aur.archlinux.org/packages/nvidia-bl-dkms"
+SRC_URI="nvidia-bl-dkms.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+
+#WIP
+#KEYWORDS="~amd64 ~arm64 ~x86"
+IUSE=""
+
+S="${WORKDIR}/nvidia-bl-dkms"
+
+MODULE_NAMES="nvidia_bl(misc:)"
+# / extra
+BUILD_TARGETS="default"
+
+pkg_setup() {
+	linux-mod_pkg_setup
+#	kernel_is -ge 3 10 && die "kernel 3.10.0 or higher is not supported by this version"
+	BUILD_PARAMS="-C ${KV_DIR} SUBDIRS=${S} KDIR=${KV_DIR} KVER=${KV_FULL} V=1"
+}
+
+src_prepare() {
+	eapply "${FILESDIR}"/update.patch
+	sed -i 's/__devinitconst//g' nvidia_bl.c
+	eapply_user
+}
+
+#src_install() {
+#	linux-mod_src_install
+#}