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-rw-r--r--sound/soc/codecs/rt1320-sdw.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt1320-sdw.h b/sound/soc/codecs/rt1320-sdw.h
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+++ b/sound/soc/codecs/rt1320-sdw.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * rt1320-sdw.h -- RT1320 SDCA ALSA SoC audio driver header
+ *
+ * Copyright(c) 2024 Realtek Semiconductor Corp.
+ */
+
+#ifndef __RT1320_SDW_H__
+#define __RT1320_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 RT1320_DEV_VERSION_ID_1 0xc404
+
+#define RT1320_KR0_STATUS_CNT 0x1000f008
+#define RT1320_HIFI_VER_0 0x3fe2e000
+#define RT1320_HIFI_VER_1 0x3fe2e001
+#define RT1320_HIFI_VER_2 0x3fe2e002
+#define RT1320_HIFI_VER_3 0x3fe2e003
+
+/* RT1320 SDCA Control - function number */
+#define FUNC_NUM_AMP 0x04
+
+/* RT1320 SDCA entity */
+#define RT1320_SDCA_ENT0 0x00
+#define RT1320_SDCA_ENT_PDE11 0x2a
+#define RT1320_SDCA_ENT_PDE23 0x33
+#define RT1320_SDCA_ENT_PDE27 0x27
+#define RT1320_SDCA_ENT_FU14 0x32
+#define RT1320_SDCA_ENT_FU21 0x03
+#define RT1320_SDCA_ENT_FU113 0x30
+#define RT1320_SDCA_ENT_CS14 0x13
+#define RT1320_SDCA_ENT_CS21 0x21
+#define RT1320_SDCA_ENT_CS113 0x12
+#define RT1320_SDCA_ENT_SAPU 0x29
+#define RT1320_SDCA_ENT_PPU21 0x04
+
+/* RT1320 SDCA control */
+#define RT1320_SDCA_CTL_SAMPLE_FREQ_INDEX 0x10
+#define RT1320_SDCA_CTL_REQ_POWER_STATE 0x01
+#define RT1320_SDCA_CTL_FU_MUTE 0x01
+#define RT1320_SDCA_CTL_FU_VOLUME 0x02
+#define RT1320_SDCA_CTL_SAPU_PROTECTION_MODE 0x10
+#define RT1320_SDCA_CTL_SAPU_PROTECTION_STATUS 0x11
+#define RT1320_SDCA_CTL_POSTURE_NUMBER 0x10
+#define RT1320_SDCA_CTL_FUNC_STATUS 0x10
+
+/* RT1320 SDCA channel */
+#define CH_01 0x01
+#define CH_02 0x02
+
+/* Function_Status */
+#define FUNCTION_NEEDS_INITIALIZATION BIT(5)
+
+/* Sample Frequency Index */
+#define RT1320_SDCA_RATE_16000HZ 0x04
+#define RT1320_SDCA_RATE_32000HZ 0x07
+#define RT1320_SDCA_RATE_44100HZ 0x08
+#define RT1320_SDCA_RATE_48000HZ 0x09
+#define RT1320_SDCA_RATE_96000HZ 0x0b
+#define RT1320_SDCA_RATE_192000HZ 0x0d
+
+enum {
+ RT1320_AIF1,
+};
+
+/*
+ * The version id will be useful to distinguish the capability between the different IC versions.
+ * Currently, VA and VB have different DSP FW versions.
+ */
+enum rt1320_version_id {
+ RT1320_VA,
+ RT1320_VB,
+};
+
+#define RT1320_VER_B_ID 0x07392238
+
+struct rt1320_sdw_priv {
+ struct snd_soc_component *component;
+ struct regmap *regmap;
+ struct regmap *mbq_regmap;
+ struct sdw_slave *sdw_slave;
+ struct sdw_bus_params params;
+ bool hw_init;
+ bool first_hw_init;
+ int version_id;
+};
+
+#endif /* __RT1320_SDW_H__ */