ASoC: rt1308-sdw: add rt1308 SdW amplifier driver

This is the initial amplifier driver for rt1308-sdw.
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20200110014606.17333-1-shumingf@realtek.comTested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -168,6 +168,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_RT700_SDW if SOUNDWIRE
 	select SND_SOC_RT711_SDW if SOUNDWIRE
 	select SND_SOC_RT715_SDW if SOUNDWIRE
+	select SND_SOC_RT1308_SDW if SOUNDWIRE
 	select SND_SOC_SGTL5000 if I2C
 	select SND_SOC_SI476X if MFD_SI476X_CORE
 	select SND_SOC_SIMPLE_AMPLIFIER
@@ -1005,6 +1006,11 @@ config SND_SOC_RT1305
 config SND_SOC_RT1308
 	tristate
 
+config SND_SOC_RT1308_SDW
+	tristate "Realtek RT1308 Codec - SDW"
+	depends on SOUNDWIRE
+	select REGMAP_SOUNDWIRE
+
 config SND_SOC_RT5514
 	tristate
 

sound/soc/codecs/Makefile

@@ -154,6 +154,7 @@ snd-soc-rl6347a-objs := rl6347a.o
 snd-soc-rt1011-objs := rt1011.o
 snd-soc-rt1305-objs := rt1305.o
 snd-soc-rt1308-objs := rt1308.o
+snd-soc-rt1308-sdw-objs := rt1308-sdw.o
 snd-soc-rt274-objs := rt274.o
 snd-soc-rt286-objs := rt286.o
 snd-soc-rt298-objs := rt298.o
@@ -448,6 +449,7 @@ obj-$(CONFIG_SND_SOC_RL6347A)	+= snd-soc-rl6347a.o
 obj-$(CONFIG_SND_SOC_RT1011)	+= snd-soc-rt1011.o
 obj-$(CONFIG_SND_SOC_RT1305)	+= snd-soc-rt1305.o
 obj-$(CONFIG_SND_SOC_RT1308)	+= snd-soc-rt1308.o
+obj-$(CONFIG_SND_SOC_RT1308_SDW)	+= snd-soc-rt1308-sdw.o
 obj-$(CONFIG_SND_SOC_RT274)	+= snd-soc-rt274.o
 obj-$(CONFIG_SND_SOC_RT286)	+= snd-soc-rt286.o
 obj-$(CONFIG_SND_SOC_RT298)	+= snd-soc-rt298.o

sound/soc/codecs/rt1308-sdw.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * rt1308-sdw.h -- RT1308 ALSA SoC audio driver header
+ *
+ * Copyright(c) 2019 Realtek Semiconductor Corp.
+ */
+
+#ifndef __RT1308_SDW_H__
+#define __RT1308_SDW_H__
+
+static const struct reg_default rt1308_reg_defaults[] = {
+	{ 0x0000, 0x00 },
+	{ 0x0001, 0x00 },
+	{ 0x0002, 0x00 },
+	{ 0x0003, 0x00 },
+	{ 0x0004, 0x00 },
+	{ 0x0005, 0x01 },
+	{ 0x0020, 0x00 },
+	{ 0x0022, 0x00 },
+	{ 0x0023, 0x00 },
+	{ 0x0024, 0x00 },
+	{ 0x0025, 0x00 },
+	{ 0x0026, 0x00 },
+	{ 0x0030, 0x00 },
+	{ 0x0032, 0x00 },
+	{ 0x0033, 0x00 },
+	{ 0x0034, 0x00 },
+	{ 0x0035, 0x00 },
+	{ 0x0036, 0x00 },
+	{ 0x0040, 0x00 },
+	{ 0x0041, 0x00 },
+	{ 0x0042, 0x00 },
+	{ 0x0043, 0x00 },
+	{ 0x0044, 0x20 },
+	{ 0x0045, 0x01 },
+	{ 0x0046, 0x01 },
+	{ 0x0048, 0x00 },
+	{ 0x0049, 0x00 },
+	{ 0x0050, 0x20 },
+	{ 0x0051, 0x02 },
+	{ 0x0052, 0x5D },
+	{ 0x0053, 0x13 },
+	{ 0x0054, 0x08 },
+	{ 0x0055, 0x00 },
+	{ 0x0060, 0x00 },
+	{ 0x0070, 0x00 },
+	{ 0x00E0, 0x00 },
+	{ 0x00F0, 0x00 },
+	{ 0x0100, 0x00 },
+	{ 0x0101, 0x00 },
+	{ 0x0102, 0x20 },
+	{ 0x0103, 0x00 },
+	{ 0x0104, 0x00 },
+	{ 0x0105, 0x03 },
+	{ 0x0120, 0x00 },
+	{ 0x0122, 0x00 },
+	{ 0x0123, 0x00 },
+	{ 0x0124, 0x00 },
+	{ 0x0125, 0x00 },
+	{ 0x0126, 0x00 },
+	{ 0x0127, 0x00 },
+	{ 0x0130, 0x00 },
+	{ 0x0132, 0x00 },
+	{ 0x0133, 0x00 },
+	{ 0x0134, 0x00 },
+	{ 0x0135, 0x00 },
+	{ 0x0136, 0x00 },
+	{ 0x0137, 0x00 },
+	{ 0x0200, 0x00 },
+	{ 0x0201, 0x00 },
+	{ 0x0202, 0x00 },
+	{ 0x0203, 0x00 },
+	{ 0x0204, 0x00 },
+	{ 0x0205, 0x03 },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x00 },
+	{ 0x0223, 0x00 },
+	{ 0x0224, 0x00 },
+	{ 0x0225, 0x00 },
+	{ 0x0226, 0x00 },
+	{ 0x0227, 0x00 },
+	{ 0x0230, 0x00 },
+	{ 0x0232, 0x00 },
+	{ 0x0233, 0x00 },
+	{ 0x0234, 0x00 },
+	{ 0x0235, 0x00 },
+	{ 0x0236, 0x00 },
+	{ 0x0237, 0x00 },
+	{ 0x0400, 0x00 },
+	{ 0x0401, 0x00 },
+	{ 0x0402, 0x00 },
+	{ 0x0403, 0x00 },
+	{ 0x0404, 0x00 },
+	{ 0x0405, 0x03 },
+	{ 0x0420, 0x00 },
+	{ 0x0422, 0x00 },
+	{ 0x0423, 0x00 },
+	{ 0x0424, 0x00 },
+	{ 0x0425, 0x00 },
+	{ 0x0426, 0x00 },
+	{ 0x0427, 0x00 },
+	{ 0x0430, 0x00 },
+	{ 0x0432, 0x00 },
+	{ 0x0433, 0x00 },
+	{ 0x0434, 0x00 },
+	{ 0x0435, 0x00 },
+	{ 0x0436, 0x00 },
+	{ 0x0437, 0x00 },
+	{ 0x0f00, 0x00 },
+	{ 0x0f01, 0x00 },
+	{ 0x0f02, 0x00 },
+	{ 0x0f03, 0x00 },
+	{ 0x0f04, 0x00 },
+	{ 0x0f05, 0x00 },
+	{ 0x0f20, 0x00 },
+	{ 0x0f22, 0x00 },
+	{ 0x0f23, 0x00 },
+	{ 0x0f24, 0x00 },
+	{ 0x0f25, 0x00 },
+	{ 0x0f26, 0x00 },
+	{ 0x0f27, 0x00 },
+	{ 0x0f30, 0x00 },
+	{ 0x0f32, 0x00 },
+	{ 0x0f33, 0x00 },
+	{ 0x0f34, 0x00 },
+	{ 0x0f35, 0x00 },
+	{ 0x0f36, 0x00 },
+	{ 0x0f37, 0x00 },
+	{ 0x2f01, 0x01 },
+	{ 0x2f02, 0x09 },
+	{ 0x2f03, 0x00 },
+	{ 0x2f04, 0x0f },
+	{ 0x2f05, 0x0b },
+	{ 0x2f06, 0x01 },
+	{ 0x2f07, 0x8e },
+	{ 0x3000, 0x00 },
+	{ 0x3001, 0x00 },
+	{ 0x3004, 0x01 },
+	{ 0x3005, 0x23 },
+	{ 0x3008, 0x02 },
+	{ 0x300a, 0x00 },
+	{ 0xc003 | (RT1308_DAC_SET << 4), 0x00 },
+	{ 0xc001 | (RT1308_POWER << 4), 0x00 },
+	{ 0xc002 | (RT1308_POWER << 4), 0x00 },
+};
+
+#define RT1308_SDW_OFFSET 0xc000
+#define RT1308_SDW_OFFSET_BYTE0 0xc000
+#define RT1308_SDW_OFFSET_BYTE1 0xc001
+#define RT1308_SDW_OFFSET_BYTE2 0xc002
+#define RT1308_SDW_OFFSET_BYTE3 0xc003
+
+#define RT1308_SDW_RESET (RT1308_SDW_OFFSET | (RT1308_RESET << 4))
+
+struct rt1308_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 /* __RT1308_SDW_H__ */