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-rw-r--r--sound/soc/codecs/rt1316-sdw.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt1316-sdw.h b/sound/soc/codecs/rt1316-sdw.h
new file mode 100644
index 000000000..cbcdaa8f8
--- /dev/null
+++ b/sound/soc/codecs/rt1316-sdw.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * rt1316-sdw.h -- RT1316 SDCA ALSA SoC audio driver header
+ *
+ * Copyright(c) 2021 Realtek Semiconductor Corp.
+ */
+
+#ifndef __RT1316_SDW_H__
+#define __RT1316_SDW_H__
+
+#include <linux/regmap.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.h>
+#include <linux/soundwire/sdw_registers.h>
+#include <sound/soc.h>
+
+/* RT1316 SDCA Control - function number */
+#define FUNC_NUM_SMART_AMP 0x04
+
+/* RT1316 SDCA entity */
+#define RT1316_SDCA_ENT_PDE23 0x31
+#define RT1316_SDCA_ENT_PDE27 0x32
+#define RT1316_SDCA_ENT_PDE22 0x33
+#define RT1316_SDCA_ENT_PDE24 0x34
+#define RT1316_SDCA_ENT_XU24 0x24
+#define RT1316_SDCA_ENT_FU21 0x03
+#define RT1316_SDCA_ENT_UDMPU21 0x02
+
+/* RT1316 SDCA control */
+#define RT1316_SDCA_CTL_SAMPLE_FREQ_INDEX 0x10
+#define RT1316_SDCA_CTL_REQ_POWER_STATE 0x01
+#define RT1316_SDCA_CTL_BYPASS 0x01
+#define RT1316_SDCA_CTL_FU_MUTE 0x01
+#define RT1316_SDCA_CTL_FU_VOLUME 0x02
+#define RT1316_SDCA_CTL_UDMPU_CLUSTER 0x10
+
+/* RT1316 SDCA channel */
+#define CH_L 0x01
+#define CH_R 0x02
+
+struct rt1316_sdw_priv {
+ struct snd_soc_component *component;
+ struct regmap *regmap;
+ struct sdw_slave *sdw_slave;
+ enum sdw_slave_status status;
+ struct sdw_bus_params params;
+ bool hw_init;
+ bool first_hw_init;
+};
+
+struct sdw_stream_data {
+ struct sdw_stream_runtime *sdw_stream;
+};
+
+#endif /* __RT1316_SDW_H__ */