ASoC: intel/sdw_utils: move rtk amp codec helper functions

Move RTK amp codec helper functions related implementation to common
place holder to make it generic so that these helper functions will be
used by other platform machine driver modules.

Link: https://github.com/thesofproject/linux/pull/5068
Signed-off-by: Vijendar Mukunda <[e-mail]>
Reviewed-by: Bard Liao <[e-mail]>
Reviewed-by: Pierre-Louis Bossart <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

include/sound/soc_sdw_utils.h

···
 			       bool playback);
 int asoc_sdw_rt_sdca_jack_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link);
 
+/* RT1308 I2S support */
+extern const struct snd_soc_ops soc_sdw_rt1308_i2s_ops;
+
+/* generic amp support */
+int asoc_sdw_rt_amp_init(struct snd_soc_card *card,
+			 struct snd_soc_dai_link *dai_links,
+			 struct asoc_sdw_codec_info *info,
+			 bool playback);
+int asoc_sdw_rt_amp_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link);
+
 /* dai_link init callbacks */
 int asoc_sdw_rt_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
 int asoc_sdw_rt_sdca_jack_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
+int asoc_sdw_rt_amp_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
 int asoc_sdw_rt700_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
 int asoc_sdw_rt711_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
 int asoc_sdw_rt712_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);

sound/soc/intel/boards/Makefile

···
 snd-soc-ehl-rt5660-y := ehl_rt5660.o
 snd-soc-sof-ssp-amp-y := sof_ssp_amp.o
 snd-soc-sof-sdw-y += sof_sdw.o				\
-			sof_sdw_maxim.o sof_sdw_rt_amp.o	\
+			sof_sdw_maxim.o 		\
 			bridge_cs35l56.o			\
 			sof_sdw_cs42l42.o sof_sdw_cs42l43.o	\
 			sof_sdw_cs_amp.o			\

sound/soc/intel/boards/sof_sdw_amp_coeff_tables.h sound/soc/sdw_utils/soc_sdw_rt_amp_coeff_tables.h

···
  */
 
 /*
- *  sof_sdw_amp_coeff_tables.h - related coefficients for amplifier parameters
+ *  soc_sdw_rt_amp_coeff_tables.h - related coefficients for RTK amplifier parameters
  */
 
-#ifndef SND_SOC_SOF_SDW_AMP_COEFF_H
-#define SND_SOC_SOF_SDW_AMP_COEFF_H
+#ifndef SND_SOC_SDW_RT_SDW_AMP_COEFF_H
+#define SND_SOC_SDW_RT_SDW_AMP_COEFF_H
 
 #define RT1308_MAX_BQ_REG 480
 #define RT1316_MAX_BQ_REG 580

sound/soc/intel/boards/sof_sdw_common.h

···
 
 int sof_sdw_hdmi_card_late_probe(struct snd_soc_card *card);
 
-/* RT1308 I2S support */
-extern const struct snd_soc_ops soc_sdw_rt1308_i2s_ops;
-
-/* generic amp support */
-int asoc_sdw_rt_amp_init(struct snd_soc_card *card,
-			 struct snd_soc_dai_link *dai_links,
-			 struct asoc_sdw_codec_info *info,
-			 bool playback);
-int asoc_sdw_rt_amp_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link);
-
 /* MAXIM codec support */
 int asoc_sdw_maxim_init(struct snd_soc_card *card,
 			struct snd_soc_dai_link *dai_links,
···
 int asoc_sdw_cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
 int asoc_sdw_cs_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
 int asoc_sdw_maxim_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
-int asoc_sdw_rt_amp_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
 
 #endif

sound/soc/intel/boards/sof_sdw_rt_amp.c sound/soc/sdw_utils/soc_sdw_rt_amp.c

···
 // SPDX-License-Identifier: GPL-2.0-only
+// This file incorporates work covered by the following copyright notice:
 // Copyright (c) 2022 Intel Corporation
+// Copyright (c) 2024 Advanced Micro Devices, Inc.
 
 /*
- *  sof_sdw_rt_amp - Helpers to handle RT1308/RT1316/RT1318 from generic machine driver
+ *  soc_sdw_rt_amp - Helpers to handle RT1308/RT1316/RT1318 from generic machine driver
  */
 
 #include <linux/device.h>
···
 #include <linux/soundwire/sdw.h>
 #include <linux/soundwire/sdw_type.h>
 #include <linux/dmi.h>
-#include "sof_sdw_common.h"
-#include "sof_sdw_amp_coeff_tables.h"
-#include "../../codecs/rt1308.h"
+#include <sound/soc_sdw_utils.h>
+#include "soc_sdw_rt_amp_coeff_tables.h"
+#include "../codecs/rt1308.h"
 
 #define CODEC_NAME_SIZE	7
 
···
 
 	return ret;
 }
+EXPORT_SYMBOL_NS(asoc_sdw_rt_amp_spk_rtd_init, SND_SOC_SDW_UTILS);
 
 static int rt1308_i2s_hw_params(struct snd_pcm_substream *substream,
 				struct snd_pcm_hw_params *params)
···
 const struct snd_soc_ops soc_sdw_rt1308_i2s_ops = {
 	.hw_params = rt1308_i2s_hw_params,
 };
+EXPORT_SYMBOL_NS(soc_sdw_rt1308_i2s_ops, SND_SOC_SDW_UTILS);
 
 int asoc_sdw_rt_amp_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
 {
···
 
 	return 0;
 }
+EXPORT_SYMBOL_NS(asoc_sdw_rt_amp_exit, SND_SOC_SDW_UTILS);
 
 int asoc_sdw_rt_amp_init(struct snd_soc_card *card,
 			 struct snd_soc_dai_link *dai_links,
···
 
 	return 0;
 }
+EXPORT_SYMBOL_NS(asoc_sdw_rt_amp_init, SND_SOC_SDW_UTILS);

sound/soc/sdw_utils/Makefile

···
 snd-soc-sdw-utils-y := soc_sdw_utils.o soc_sdw_dmic.o soc_sdw_rt_dmic.o \
 		       soc_sdw_rt700.o soc_sdw_rt711.o 			\
 		       soc_sdw_rt712_sdca.o soc_sdw_rt722_sdca.o	\
-		       soc_sdw_rt5682.o soc_sdw_rt_sdca_jack_common.o
+		       soc_sdw_rt5682.o soc_sdw_rt_sdca_jack_common.o	\
+		       soc_sdw_rt_amp.o
 obj-$(CONFIG_SND_SOC_SDW_UTILS) += snd-soc-sdw-utils.o