soundwire: intel_ace2x: add empty new ops for LunarLake

The register map and programming sequences for the ACE2.x IP are
completely different and need to be abstracted with a different set of
callbacks.

This initial patch adds a new file, follow-up patches will add each
required callback.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20230515071042.2038-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/soundwire/Makefile b/drivers/soundwire/Makefile
index 925566ff42721bfde1eb62920ea2debc4f15759b..5d612c9b63620555e58b828bd11962c75c77c1a1 100644 (file)
--- a/drivers/soundwire/Makefile
+++ b/drivers/soundwire/Makefile
@@ -24,7 +24,7 @@ soundwire-cadence-y := cadence_master.o
 obj-$(CONFIG_SOUNDWIRE_CADENCE) += soundwire-cadence.o
 
 #Intel driver
-soundwire-intel-y :=   intel.o intel_auxdevice.o intel_init.o dmi-quirks.o \
+soundwire-intel-y :=   intel.o  intel_ace2x.o intel_auxdevice.o intel_init.o dmi-quirks.o \
                        intel_bus_common.o
 obj-$(CONFIG_SOUNDWIRE_INTEL) += soundwire-intel.o
 

diff --git a/drivers/soundwire/intel_ace2x.c b/drivers/soundwire/intel_ace2x.c
new file mode 100644 (file)
index 0000000..623e4fd
--- /dev/null
+++ b/drivers/soundwire/intel_ace2x.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+// Copyright(c) 2023 Intel Corporation. All rights reserved.
+
+/*
+ * Soundwire Intel ops for LunarLake
+ */
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/soundwire/sdw_registers.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_intel.h>
+#include "cadence_master.h"
+#include "bus.h"
+#include "intel.h"
+
+const struct sdw_intel_hw_ops sdw_intel_lnl_hw_ops = {
+};
+EXPORT_SYMBOL_NS(sdw_intel_lnl_hw_ops, SOUNDWIRE_INTEL);

diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h
index 8e6183e029fac8aa87a77e3945e9a635eeef706c..66687e83a94f586d8bdf64a78f5a9a899fcca815 100644 (file)
--- a/include/linux/soundwire/sdw_intel.h
+++ b/include/linux/soundwire/sdw_intel.h
@@ -419,5 +419,6 @@ struct sdw_intel_hw_ops {
 };
 
 extern const struct sdw_intel_hw_ops sdw_intel_cnl_hw_ops;
+extern const struct sdw_intel_hw_ops sdw_intel_lnl_hw_ops;
 
 #endif