kernel: add new ltq-vdsl-vr11-mei driver

This uses version 1.11.1 of the drv_mei_cpe package from the Intel UGW
8.5.2.10 for the VRX518.

Signed-off-by: Martin Schiller <[email protected]>
[updated for kernel 5.10]
Signed-off-by: Jan Hoffmann <[email protected]>
[update to 1.11.1, switch to tag tarball, update patches]
Signed-off-by: Andre Heider <[email protected]>
[update for kernel 5.15]
Signed-off-by: Jan Hoffmann <[email protected]>
Signed-off-by: Andre Heider <[email protected]>

package/kernel/lantiq/ltq-vdsl-vr11-mei/Makefile

@@ -0,0 +1,113 @@
+# Copyright (C) 2012 OpenWrt.org
+# Copyright (C) 2015-2016 Lantiq Beteiligungs GmbH & Co KG.
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=ltq-vdsl-vr11-mei
+PKG_VERSION:=1.11.1
+PKG_RELEASE:=$(AUTORELEASE)
+PKG_BASE_NAME:=dsl_cpe_mei
+
+UGW_VERSION=8.5.2.10
+UGW_BASENAME=$(PKG_BASE_NAME)-ugw_$(UGW_VERSION)
+
+PKG_SOURCE:=$(UGW_BASENAME).tar.bz2
+PKG_SOURCE_URL:=https://gitlab.com/prpl-foundation/intel/$(PKG_BASE_NAME)/-/archive/ugw_$(UGW_VERSION)/
+PKG_HASH:=337614473d50ed64de010adaed99a16103e08eea8fc67fe9d6caf155bea33d1d
+PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/$(UGW_BASENAME)
+PKG_LICENSE:=GPL-2.0 BSD-2-Clause
+PKG_LICENSE_FILES:=LICENSE
+PKG_EXTMOD_SUBDIRS:=src
+
+PKG_FIXUP:=autoreconf
+PKG_FLAGS:=nonshared
+
+include $(INCLUDE_DIR)/package.mk
+
+define KernelPackage/ltq-vdsl-vr11-mei
+  TITLE:=mei driver for vdsl
+  SECTION:=sys
+  SUBMENU:=Network Devices
+  DEPENDS:=@TARGET_ipq40xx +kmod-ltq-ifxos +kmod-vrx518_tc
+  FILES:=$(PKG_BUILD_DIR)/src/drv_mei_cpe.ko
+  AUTOLOAD:=$(call AutoLoad,50,drv_mei_cpe)
+endef
+
+define KernelPackage/ltq-vdsl-vr11-mei/description
+  Lantiq MEI CPE Kernel Module Driver
+endef
+
+
+define Package/ltq-vdsl-vr11-mei-test
+  SECTION:=net
+  CATEGORY:=Network
+  TITLE:=Lantiq mei driver test tool
+  URL:=http://www.lantiq.com/
+  DEPENDS:=@TARGET_ipq40xx +kmod-ltq-vdsl-vr11-mei
+endef
+
+define Package/ltq-vdsl-vr11-mei-test/description
+  Userland tool to directly control the mei driver, this is only needed
+  for test and development purposes.
+endef
+
+MAKE_FLAGS += \
+	$(KERNEL_MAKE_FLAGS) \
+	SHELL="$(BASH)"
+
+# ltq-vdsl-app uses a header provided by the MEI driver which has some
+# conditionals.
+# Define the conditionals here to have the same view on both sides. If you
+# change them, you need to change them for the ltq-vdsl-app as well
+MEI_DRV_CFLAGS = \
+	-DMEI_DRV_ATM_PTM_INTERFACE_ENABLE=1 \
+	-DMEI_SUPPORT_DEBUG_STREAMS=1 \
+	-DMEI_SUPPORT_OPTIMIZED_FW_DL=1
+
+#MEI_DRV_CFLAGS+= \
+#	-DMEI_SUPPORT_OPTIMIZED_FW_DL=0 \
+#	-DIRQ_POLLING_FORCE=99
+
+CONFIGURE_ARGS += \
+	--enable-debug-logger-support=no
+#	--enable-debug-stream-support=no
+
+# This looks weird, but it's necessary to address the right device.
+# (pdev->dev.parent instead of pdev->dev)
+MEI_DRV_CFLAGS+= \
+	-DMEI_TARGET_x86=1
+
+CONFIGURE_ARGS += \
+	--enable-kernelincl="$(LINUX_DIR)/include" \
+	--enable-device=vr11 \
+	--enable-debug \
+	--enable-error_print \
+	--enable-ifxos-include="-I$(STAGING_DIR)/usr/include/ifxos/" \
+	--enable-ifxos-library="-L$(STAGING_DIR)/usr/lib" \
+	--enable-add_drv_cflags="$(MEI_DRV_CFLAGS)" \
+	--enable-linux-26 \
+	--enable-kernelbuild="$(LINUX_DIR)" \
+	--enable-drv_test_appl=yes \
+	ARCH=$(LINUX_KARCH)
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/include/vdsl
+	$(CP) $(PKG_BUILD_DIR)/src/drv_mei_cpe_api_intern.h $(1)/usr/include/vdsl/
+	$(CP) $(PKG_BUILD_DIR)/src/drv_mei_cpe_api_atm_ptm_intern.h $(1)/usr/include/vdsl/
+	$(CP) $(PKG_BUILD_DIR)/src/drv_mei_cpe_interface.h $(1)/usr/include/vdsl
+	$(CP) $(PKG_BUILD_DIR)/src/drv_mei_cpe_config.h $(1)/usr/include/vdsl/
+	$(CP) $(PKG_BUILD_DIR)/src/cmv_message_format.h $(1)/usr/include/vdsl/
+endef
+
+$(eval $(call KernelPackage,ltq-vdsl-vr11-mei))
+
+define Package/ltq-vdsl-vr11-mei-test/install
+	$(INSTALL_DIR) $(1)/bin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/src/mei_cpe_drv_test $(1)/bin
+endef
+
+$(eval $(call BuildPackage,ltq-vdsl-vr11-mei-test))

package/kernel/lantiq/ltq-vdsl-vr11-mei/patches/001-fix-compile.patch

@@ -0,0 +1,88 @@
+--- a/src/drv_mei_cpe_linux.c
++++ b/src/drv_mei_cpe_linux.c
+@@ -1534,7 +1534,7 @@ struct proc_entry {
+    char name[32];
+    proc_rd_callback_t rd;
+    proc_wr_callback_t wr;
+-   struct file_operations ops;
++   struct proc_ops ops;
+    int entity;
+ };
+ 
+@@ -2068,16 +2068,15 @@ static int mei_proc_single_open(struct i
+ static void mei_proc_entry_create(struct proc_dir_entry *parent_node,
+                                   struct proc_entry *proc_entry)
+ {
+-   memset(&proc_entry->ops, 0, sizeof(struct file_operations));
+-   proc_entry->ops.owner = THIS_MODULE;
++   memset(&proc_entry->ops, 0, sizeof(struct proc_ops));
+ 
+-   proc_entry->ops.open = mei_proc_single_open;
+-   proc_entry->ops.release = single_release;
++   proc_entry->ops.proc_open = mei_proc_single_open;
++   proc_entry->ops.proc_release = single_release;
+ 
+-   proc_entry->ops.read = seq_read;
+-   proc_entry->ops.llseek = seq_lseek;
++   proc_entry->ops.proc_read = seq_read;
++   proc_entry->ops.proc_lseek = seq_lseek;
+    if (proc_entry->wr)
+-      proc_entry->ops.write = proc_entry->wr;
++      proc_entry->ops.proc_write = proc_entry->wr;
+ 
+    proc_create_data(proc_entry->name,
+                      (S_IFREG | S_IRUGO),
+--- a/src/drv_mei_cpe_linux.h
++++ b/src/drv_mei_cpe_linux.h
+@@ -31,6 +31,7 @@
+ #include <linux/module.h>
+ 
+ #include <linux/sched.h>
++#include <linux/sched/signal.h>
+ #include <linux/interrupt.h>
+ #include <linux/version.h>
+ #include <linux/crc32.h>
+@@ -122,7 +123,7 @@ typedef int (*MEI_RequestIrq_WrapLinux_t
+ /**
+    Function typedef for the Linux free_irq()
+ */
+-typedef void (*MEI_FreeIrq_WrapLinux_t)( unsigned int usedIrq,
++typedef const void *(*MEI_FreeIrq_WrapLinux_t)( unsigned int usedIrq,
+                                            void *usedDevId );
+ 
+ 
+--- a/src/drv_mei_cpe_linux_proc_config.c
++++ b/src/drv_mei_cpe_linux_proc_config.c
+@@ -1277,13 +1277,12 @@ static int mei_proc_single_open(struct i
+ 	return single_open(file, mei_seq_single_show, PDE_DATA(inode));
+ }
+ 
+-static struct file_operations proc_ops = {
+-   .owner = THIS_MODULE,
+-   .open = mei_proc_single_open,
+-   .release = single_release,
+-   .read = seq_read,
+-   .llseek = seq_lseek,
+-   .write = MEI_ProcWriteConfig
++static struct proc_ops proc_ops = {
++   .proc_open = mei_proc_single_open,
++   .proc_release = single_release,
++   .proc_read = seq_read,
++   .proc_lseek = seq_lseek,
++   .proc_write = MEI_ProcWriteConfig
+ };
+ 
+ /**
+--- a/src/mei_cpe_appl_osmap.h
++++ b/src/mei_cpe_appl_osmap.h
+@@ -38,10 +38,6 @@ extern "C"
+ #include <errno.h>
+ #include <ctype.h>
+ #include <sys/ioctl.h>
+-
+-extern int snprintf (char *__restrict __s, size_t __maxlen,
+-           __const char *__restrict __format, ...)
+-     __THROW __attribute__ ((__format__ (__printf__, 3, 4)));
+ #endif
+ 
+ /* ==========================================================================

package/kernel/lantiq/ltq-vdsl-vr11-mei/patches/010-warnings.patch

@@ -0,0 +1,20 @@
+--- a/src/drv_mei_cpe_dbg_driver.c
++++ b/src/drv_mei_cpe_dbg_driver.c
+@@ -309,7 +309,7 @@ MEI_STATIC IFX_void_t MEI_DbgMsgDumpLogW
+    IFX_int32_t i;
+    unsigned short paylSize;
+    union {IFX_uint8_t  d8[2]; IFX_uint16_t d16;} temp16;
+-   union {IFX_uint8_t  d8[4]; IFX_uint16_t d32;} temp32;
++   union {IFX_uint8_t  d8[4]; IFX_uint32_t d32;} temp32;
+ 
+    MEI_DbgMsgDumpLogLabel(pCmvMsg, fctOpCode);
+ 
+@@ -368,7 +368,7 @@ MEI_STATIC IFX_void_t MEI_DbgMsgDumpTrcW
+    IFX_int32_t i;
+    unsigned short paylSize;
+    union {IFX_uint8_t  d8[2]; IFX_uint16_t d16;} temp16;
+-   union {IFX_uint8_t  d8[4]; IFX_uint16_t d32;} temp32;
++   union {IFX_uint8_t  d8[4]; IFX_uint32_t d32;} temp32;
+ 
+    MEI_DbgMsgDumpTraceLabel(pCmvMsg, fctOpCode);
+ 

package/kernel/lantiq/ltq-vdsl-vr11-mei/patches/020-not-leak-cflags.patch

@@ -0,0 +1,12 @@
+--- a/src/Makefile.am
++++ b/src/Makefile.am
+@@ -213,8 +213,7 @@ drv_mei_cpe_common_cflags = $(AM_CFLAGS)
+ else
+ 
+ drv_mei_cpe_common_cflags = \
+-	$(AM_CFLAGS) -D__KERNEL__ -DLINUX -D__linux__ -DMODULE -DEXPORT_SYMTAB \
+-	-pipe -Wall -Wimplicit -Wunused -Wuninitialized -Wstrict-aliasing -Wno-date-time
++	-D__KERNEL__ -DLINUX -D__linux__ -DMODULE -DEXPORT_SYMTAB
+ 
+ endif
+ 

package/kernel/lantiq/ltq-vdsl-vr11-mei/patches/100-compat.patch

@@ -0,0 +1,10 @@
+--- a/src/drv_mei_cpe_linux.c
++++ b/src/drv_mei_cpe_linux.c
+@@ -4530,7 +4530,6 @@ module_exit (MEI_module_exit);
+ #ifdef MODULE
+ MODULE_AUTHOR("www.lantiq.com");
+ MODULE_DESCRIPTION("MEI CPE Driver - www.lantiq.com");
+-MODULE_SUPPORTED_DEVICE("MEI CPE Interface");
+ MODULE_LICENSE ("GPL");
+ #endif /* #ifdef MODULE*/
+ 

package/kernel/lantiq/ltq-vdsl-vr11-mei/patches/101_no-date-time.patch

@@ -0,0 +1,13 @@
+--- a/src/drv_mei_cpe_linux.c
++++ b/src/drv_mei_cpe_linux.c
+@@ -1556,8 +1556,8 @@ static void MEI_GetVersionProc(struct se
+    }
+ 
+    seq_printf(s, "%s" MEI_DRV_CRLF, &MEI_WHATVERSION[4]);
+-   seq_printf(s, "Compiled on %s, %s for Linux kernel %s (jiffies: %ld)" MEI_DRV_CRLF,
+-                                    __DATE__, __TIME__, UTS_RELEASE, jiffies);
++   seq_printf(s, "Compiled for Linux kernel %s (jiffies: %ld)" MEI_DRV_CRLF,
++                                    UTS_RELEASE, jiffies);
+ }
+ 
+ /**

package/kernel/lantiq/ltq-vdsl-vr11-mei/patches/110-reset-g_tx_link_rate-on-showtime-exit.patch

@@ -0,0 +1,12 @@
+--- a/src/drv_mei_cpe_api_atm_ptm_intern.c
++++ b/src/drv_mei_cpe_api_atm_ptm_intern.c
+@@ -152,6 +152,9 @@ IFX_int32_t MEI_InternalXtmSwhowtimeExit
+    /* Get line number*/
+    dslLineNum = pMeiDynCntrl->pMeiDev->meiDrvCntrl.dslLineNum;
+ 
++   g_tx_link_rate[dslLineNum][0] = 0;
++   g_tx_link_rate[dslLineNum][1] = 0;
++
+ #ifdef PPA_SUPPORTS_CALLBACKS
+    /* get NULL or function pointer */
+    mei_showtime_exit =

package/kernel/lantiq/ltq-vdsl-vr11-mei/patches/120-remove-debug-printk.patch

@@ -0,0 +1,10 @@
+--- a/src/drv_mei_cpe_mei_access_vrx.c
++++ b/src/drv_mei_cpe_mei_access_vrx.c
+@@ -1691,7 +1691,6 @@ IFX_int32_t MEI_InterfaceDetect(
+    {
+       MEI_REG_ACCESS_ME_VERSION_SET(pMeiDrvCntrl, 0x00000000);
+       hwVers = MEI_REG_ACCESS_ME_VERSION_GET(pMeiDrvCntrl);
+-      printk ("hwVers=0x%08X\n", hwVers);
+ 
+       if (MEI_DEVICE_CFG_IS_PLATFORM(e_MEI_DEV_PLATFORM_CONFIG_VR9))
+       {