ASoC: intel/sdw_utils: refactor RT multifunction sdca speaker codecs

Merge spk_rtd_init for multifunction sdca codecs:rt712/rt722

Signed-off-by: Naveen Manohar <[email protected]>

include/sound/soc_sdw_utils.h

@@ -234,8 +234,7 @@ int asoc_sdw_rt_sdca_jack_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_s
 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);
-int asoc_sdw_rt722_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
+int asoc_sdw_rt_mf_sdca_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
 int asoc_sdw_rt5682_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
 int asoc_sdw_cs42l42_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);
 int asoc_sdw_cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai);

sound/soc/intel/common/soc-acpi-intel-ptl-match.c

@@ -36,10 +36,10 @@ static const struct snd_soc_acpi_endpoint single_endpoint = {
 };
 
 /*
- * RT722 is a multi-function codec, three endpoints are created for
- * its headset, amp and dmic functions.
+ * Multi-function codecs with three endpoints created for
+ * headset, amp and dmic functions.
  */
-static const struct snd_soc_acpi_endpoint rt722_endpoints[] = {
+static const struct snd_soc_acpi_endpoint rt_mf_endpoints[] = {
  {
  .num = 0,
  .aggregated = 0,
@@ -72,26 +72,26 @@ static const struct snd_soc_acpi_adr_device rt711_sdca_0_adr[] = {
 static const struct snd_soc_acpi_adr_device rt722_0_single_adr[] = {
  {
  .adr = 0x000030025d072201ull,
- .num_endpoints = ARRAY_SIZE(rt722_endpoints),
- .endpoints = rt722_endpoints,
+ .num_endpoints = ARRAY_SIZE(rt_mf_endpoints),
+ .endpoints = rt_mf_endpoints,
  .name_prefix = "rt722"
  }
 };
 
 static const struct snd_soc_acpi_adr_device rt722_1_single_adr[] = {
  {
  .adr = 0x000130025d072201ull,
- .num_endpoints = ARRAY_SIZE(rt722_endpoints),
- .endpoints = rt722_endpoints,
+ .num_endpoints = ARRAY_SIZE(rt_mf_endpoints),
+ .endpoints = rt_mf_endpoints,
  .name_prefix = "rt722"
  }
 };
 
 static const struct snd_soc_acpi_adr_device rt722_3_single_adr[] = {
  {
  .adr = 0x000330025d072201ull,
- .num_endpoints = ARRAY_SIZE(rt722_endpoints),
- .endpoints = rt722_endpoints,
+ .num_endpoints = ARRAY_SIZE(rt_mf_endpoints),
+ .endpoints = rt_mf_endpoints,
  .name_prefix = "rt722"
  }
 };

sound/soc/sdw_utils/Makefile

@@ -1,9 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0-only
 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_rt_amp.o  \
+ soc_sdw_rt_amp.o soc_sdw_rt_mf_sdca.o \
  soc_sdw_bridge_cs35l56.o \
  soc_sdw_cs42l42.o soc_sdw_cs42l43.o \
  soc_sdw_cs_amp.o \

sound/soc/sdw_utils/soc_sdw_rt_mf_sdca.c

@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// This file incorporates work covered by the following copyright notice:
+// Copyright (c) 2024 Intel Corporation.
+
+/*
+ * soc_sdw_rt_mf_sdca
+ * - Helpers to handle RT Multifunction Codec from generic machine driver
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.h>
+#include <sound/control.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include <sound/soc-dapm.h>
+#include <sound/soc_sdw_utils.h>
+
+#define CODEC_NAME_SIZE 6
+
+/* dapm routes for RT-SPK will be registered dynamically */
+static const struct snd_soc_dapm_route rt712_spk_map[] = {
+ { "Speaker", NULL, "rt712 SPOL" },
+ { "Speaker", NULL, "rt712 SPOR" },
+};
+
+static const struct snd_soc_dapm_route rt722_spk_map[] = {
+ { "Speaker", NULL, "rt722 SPK" },
+};
+
+/* Structure to map codec names to respective route arrays and sizes */
+struct codec_route_map {
+ const char *codec_name;
+ const struct snd_soc_dapm_route *route_map;
+ size_t route_size;
+};
+
+/* Codec route maps array */
+static const struct codec_route_map codec_routes[] = {
+ { "rt712", rt712_spk_map, ARRAY_SIZE(rt712_spk_map) },
+ { "rt722", rt722_spk_map, ARRAY_SIZE(rt722_spk_map) },
+};
+
+static const struct codec_route_map *get_codec_route_map(const char *codec_name)
+{
+ for (size_t i = 0; i < ARRAY_SIZE(codec_routes); i++) {
+ if (strcmp(codec_routes[i].codec_name, codec_name) == 0)
+ return &codec_routes[i];
+ }
+ return NULL;
+}
+
+int asoc_sdw_rt_mf_sdca_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
+{
+ struct snd_soc_card *card = rtd->card;
+ char codec_name[CODEC_NAME_SIZE];
+ int ret;
+
+ /* acquire codec name */
+ snprintf(codec_name, CODEC_NAME_SIZE, "%s", dai->name);
+
+ /* acquire corresponding route map and size */
+ const struct codec_route_map *route_map = get_codec_route_map(codec_name);
+
+ if (!route_map) {
+ dev_err(rtd->dev, "failed to get codec name and route map\n");
+ return -EINVAL;
+ }
+
+ /* Update card components */
+ card->components = devm_kasprintf(card->dev, GFP_KERNEL,
+ "%s spk:%s",
+ card->components, codec_name);
+ if (!card->components)
+ return -ENOMEM;
+
+ /* Add routes */
+ ret = snd_soc_dapm_add_routes(&card->dapm, route_map->route_map, route_map->route_size);
+ if (ret) {
+ dev_err(rtd->dev, "failed to add rt sdca spk map: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_NS(asoc_sdw_rt_mf_sdca_spk_rtd_init, SND_SOC_SDW_UTILS);

sound/soc/sdw_utils/soc_sdw_utils.c

@@ -138,7 +138,7 @@ struct asoc_sdw_codec_info codec_info_list[] = {
  .dailink = {SOC_SDW_AMP_OUT_DAI_ID, SOC_SDW_UNUSED_DAI_ID},
  .init = asoc_sdw_rt_amp_init,
  .exit = asoc_sdw_rt_amp_exit,
- .rtd_init = asoc_sdw_rt712_spk_rtd_init,
+ .rtd_init = asoc_sdw_rt_mf_sdca_spk_rtd_init,
  .controls = generic_spk_controls,
  .num_controls = ARRAY_SIZE(generic_spk_controls),
  .widgets = generic_spk_widgets,
@@ -358,7 +358,7 @@ struct asoc_sdw_codec_info codec_info_list[] = {
  .dailink = {SOC_SDW_AMP_OUT_DAI_ID, SOC_SDW_UNUSED_DAI_ID},
  .init = asoc_sdw_rt_amp_init,
  .exit = asoc_sdw_rt_amp_exit,
- .rtd_init = asoc_sdw_rt722_spk_rtd_init,
+ .rtd_init = asoc_sdw_rt_mf_sdca_spk_rtd_init,
  .controls = generic_spk_controls,
  .num_controls = ARRAY_SIZE(generic_spk_controls),
  .widgets = generic_spk_widgets,