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-rw-r--r--sound/soc/codecs/rt1318-sdw.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt1318-sdw.h b/sound/soc/codecs/rt1318-sdw.h
new file mode 100644
index 000000000..4d7ac9c4b
--- /dev/null
+++ b/sound/soc/codecs/rt1318-sdw.h
@@ -0,0 +1,101 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * rt1318-sdw.h -- RT1318 SDCA ALSA SoC audio driver header
+ *
+ * Copyright(c) 2022 Realtek Semiconductor Corp.
+ */
+
+#ifndef __RT1318_SDW_H__
+#define __RT1318_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>
+
+/* imp-defined registers */
+#define RT1318_SAPU_SM 0x3203
+
+#define R1318_TCON 0xc203
+#define R1318_TCON_RELATED_1 0xc206
+
+#define R1318_SPK_TEMPERATRUE_PROTECTION_0 0xdb00
+#define R1318_SPK_TEMPERATRUE_PROTECTION_L_4 0xdb08
+#define R1318_SPK_TEMPERATRUE_PROTECTION_R_4 0xdd08
+
+#define R1318_SPK_TEMPERATRUE_PROTECTION_L_6 0xdb12
+#define R1318_SPK_TEMPERATRUE_PROTECTION_R_6 0xdd12
+
+#define RT1318_INIT_RECIPROCAL_REG_L_24 0xdbb5
+#define RT1318_INIT_RECIPROCAL_REG_L_23_16 0xdbb6
+#define RT1318_INIT_RECIPROCAL_REG_L_15_8 0xdbb7
+#define RT1318_INIT_RECIPROCAL_REG_L_7_0 0xdbb8
+#define RT1318_INIT_RECIPROCAL_REG_R_24 0xddb5
+#define RT1318_INIT_RECIPROCAL_REG_R_23_16 0xddb6
+#define RT1318_INIT_RECIPROCAL_REG_R_15_8 0xddb7
+#define RT1318_INIT_RECIPROCAL_REG_R_7_0 0xddb8
+
+#define RT1318_INIT_R0_RECIPROCAL_SYN_L_24 0xdbc5
+#define RT1318_INIT_R0_RECIPROCAL_SYN_L_23_16 0xdbc6
+#define RT1318_INIT_R0_RECIPROCAL_SYN_L_15_8 0xdbc7
+#define RT1318_INIT_R0_RECIPROCAL_SYN_L_7_0 0xdbc8
+#define RT1318_INIT_R0_RECIPROCAL_SYN_R_24 0xddc5
+#define RT1318_INIT_R0_RECIPROCAL_SYN_R_23_16 0xddc6
+#define RT1318_INIT_R0_RECIPROCAL_SYN_R_15_8 0xddc7
+#define RT1318_INIT_R0_RECIPROCAL_SYN_R_7_0 0xddc8
+
+#define RT1318_R0_COMPARE_FLAG_L 0xdb35
+#define RT1318_R0_COMPARE_FLAG_R 0xdd35
+
+#define RT1318_STP_INITIAL_RS_TEMP_H 0xdd93
+#define RT1318_STP_INITIAL_RS_TEMP_L 0xdd94
+
+/* RT1318 SDCA Control - function number */
+#define FUNC_NUM_SMART_AMP 0x04
+
+/* RT1318 SDCA entity */
+#define RT1318_SDCA_ENT_PDE23 0x31
+#define RT1318_SDCA_ENT_XU24 0x24
+#define RT1318_SDCA_ENT_FU21 0x03
+#define RT1318_SDCA_ENT_UDMPU21 0x02
+#define RT1318_SDCA_ENT_CS21 0x21
+#define RT1318_SDCA_ENT_SAPU 0x29
+
+/* RT1318 SDCA control */
+#define RT1318_SDCA_CTL_SAMPLE_FREQ_INDEX 0x10
+#define RT1318_SDCA_CTL_REQ_POWER_STATE 0x01
+#define RT1318_SDCA_CTL_FU_MUTE 0x01
+#define RT1318_SDCA_CTL_FU_VOLUME 0x02
+#define RT1318_SDCA_CTL_UDMPU_CLUSTER 0x10
+#define RT1318_SDCA_CTL_SAPU_PROTECTION_MODE 0x10
+#define RT1318_SDCA_CTL_SAPU_PROTECTION_STATUS 0x11
+
+/* RT1318 SDCA channel */
+#define CH_L 0x01
+#define CH_R 0x02
+
+/* sample frequency index */
+#define RT1318_SDCA_RATE_16000HZ 0x04
+#define RT1318_SDCA_RATE_32000HZ 0x07
+#define RT1318_SDCA_RATE_44100HZ 0x08
+#define RT1318_SDCA_RATE_48000HZ 0x09
+#define RT1318_SDCA_RATE_96000HZ 0x0b
+#define RT1318_SDCA_RATE_192000HZ 0x0d
+
+
+struct rt1318_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 /* __RT1318_SDW_H__ */