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[03/20] soundwire: intel_ace2x: add empty new ops for LunarLake

Message ID 20230323054452.1543233-4-yung-chuan.liao@linux.intel.com
State New
Headers show
Series ASoC/soundwire: add support for ACE2.x | expand

Commit Message

Liao, Bard March 23, 2023, 5:44 a.m. UTC 
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

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>
---
 drivers/soundwire/Makefile          |  2 +-
 drivers/soundwire/intel_ace2x.c     | 19 +++++++++++++++++++
 include/linux/soundwire/sdw_intel.h |  1 +
 3 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 drivers/soundwire/intel_ace2x.c
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Patch

diff --git a/drivers/soundwire/Makefile b/drivers/soundwire/Makefile
index 8038e840ac5b..d7212777a927 100644
--- a/drivers/soundwire/Makefile
+++ b/drivers/soundwire/Makefile
@@ -20,7 +20,7 @@  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
index 000000000000..623e4fd7db91
--- /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 8e6183e029fa..66687e83a94f 100644
--- 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