[PATCH 4/5] ASoC: sdw_utils/intel: move soundwire endpoint parsing helper functions

From: Vijendar Mukunda
Date: Fri Sep 13 2024 - 05:08:23 EST


Move SoundWire endpoint parsing helper functions to common place holder.
These functions will be used by other platform machine driver code.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
---
include/sound/soc_sdw_utils.h | 10 ++
sound/soc/intel/boards/sof_sdw.c | 158 ---------------------------
sound/soc/sdw_utils/soc_sdw_utils.c | 161 ++++++++++++++++++++++++++++
3 files changed, 171 insertions(+), 158 deletions(-)

diff --git a/include/sound/soc_sdw_utils.h b/include/sound/soc_sdw_utils.h
index e3482720a3eb..f68c1f193b3b 100644
--- a/include/sound/soc_sdw_utils.h
+++ b/include/sound/soc_sdw_utils.h
@@ -161,6 +161,16 @@ int asoc_sdw_init_simple_dai_link(struct device *dev, struct snd_soc_dai_link *d
int (*init)(struct snd_soc_pcm_runtime *rtd),
const struct snd_soc_ops *ops);

+int asoc_sdw_count_sdw_endpoints(struct snd_soc_card *card, int *num_devs, int *num_ends);
+
+struct asoc_sdw_dailink *asoc_sdw_find_dailink(struct asoc_sdw_dailink *dailinks,
+ const struct snd_soc_acpi_endpoint *new);
+
+int asoc_sdw_parse_sdw_endpoints(struct snd_soc_card *card,
+ struct asoc_sdw_dailink *soc_dais,
+ struct asoc_sdw_endpoint *soc_ends,
+ int *num_devs);
+
int asoc_sdw_rtd_init(struct snd_soc_pcm_runtime *rtd);

/* DMIC support */
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index 6b30659f0e25..5196d96f5c0e 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/sound/soc/intel/boards/sof_sdw.c
@@ -619,164 +619,6 @@ static const struct snd_soc_ops sdw_ops = {

static const char * const type_strings[] = {"SimpleJack", "SmartAmp", "SmartMic"};

-static int asoc_sdw_count_sdw_endpoints(struct snd_soc_card *card, int *num_devs, int *num_ends)
-{
- struct device *dev = card->dev;
- struct snd_soc_acpi_mach *mach = dev_get_platdata(dev);
- struct snd_soc_acpi_mach_params *mach_params = &mach->mach_params;
- const struct snd_soc_acpi_link_adr *adr_link;
- int i;
-
- for (adr_link = mach_params->links; adr_link->num_adr; adr_link++) {
- *num_devs += adr_link->num_adr;
-
- for (i = 0; i < adr_link->num_adr; i++)
- *num_ends += adr_link->adr_d[i].num_endpoints;
- }
-
- dev_dbg(dev, "Found %d devices with %d endpoints\n", *num_devs, *num_ends);
-
- return 0;
-}
-
-static struct asoc_sdw_dailink *asoc_sdw_find_dailink(struct asoc_sdw_dailink *dailinks,
- const struct snd_soc_acpi_endpoint *new)
-{
- while (dailinks->initialised) {
- if (new->aggregated && dailinks->group_id == new->group_id)
- return dailinks;
-
- dailinks++;
- }
-
- INIT_LIST_HEAD(&dailinks->endpoints);
- dailinks->group_id = new->group_id;
- dailinks->initialised = true;
-
- return dailinks;
-}
-
-static int asoc_sdw_parse_sdw_endpoints(struct snd_soc_card *card,
- struct asoc_sdw_dailink *sof_dais,
- struct asoc_sdw_endpoint *sof_ends,
- int *num_devs)
-{
- struct device *dev = card->dev;
- struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
- struct snd_soc_acpi_mach *mach = dev_get_platdata(dev);
- struct snd_soc_acpi_mach_params *mach_params = &mach->mach_params;
- const struct snd_soc_acpi_link_adr *adr_link;
- struct asoc_sdw_endpoint *sof_end = sof_ends;
- int num_dais = 0;
- int i, j;
- int ret;
-
- for (adr_link = mach_params->links; adr_link->num_adr; adr_link++) {
- int num_link_dailinks = 0;
-
- if (!is_power_of_2(adr_link->mask)) {
- dev_err(dev, "link with multiple mask bits: 0x%x\n",
- adr_link->mask);
- return -EINVAL;
- }
-
- for (i = 0; i < adr_link->num_adr; i++) {
- const struct snd_soc_acpi_adr_device *adr_dev = &adr_link->adr_d[i];
- struct asoc_sdw_codec_info *codec_info;
- const char *codec_name;
-
- if (!adr_dev->name_prefix) {
- dev_err(dev, "codec 0x%llx does not have a name prefix\n",
- adr_dev->adr);
- return -EINVAL;
- }
-
- codec_info = asoc_sdw_find_codec_info_part(adr_dev->adr);
- if (!codec_info)
- return -EINVAL;
-
- ctx->ignore_internal_dmic |= codec_info->ignore_internal_dmic;
-
- codec_name = asoc_sdw_get_codec_name(dev, codec_info, adr_link, i);
- if (!codec_name)
- return -ENOMEM;
-
- dev_dbg(dev, "Adding prefix %s for %s\n",
- adr_dev->name_prefix, codec_name);
-
- sof_end->name_prefix = adr_dev->name_prefix;
-
- if (codec_info->count_sidecar && codec_info->add_sidecar) {
- ret = codec_info->count_sidecar(card, &num_dais, num_devs);
- if (ret)
- return ret;
-
- sof_end->include_sidecar = true;
- }
-
- for (j = 0; j < adr_dev->num_endpoints; j++) {
- const struct snd_soc_acpi_endpoint *adr_end;
- const struct asoc_sdw_dai_info *dai_info;
- struct asoc_sdw_dailink *sof_dai;
- int stream;
-
- adr_end = &adr_dev->endpoints[j];
- dai_info = &codec_info->dais[adr_end->num];
- sof_dai = asoc_sdw_find_dailink(sof_dais, adr_end);
-
- if (dai_info->quirk && !(dai_info->quirk & sof_sdw_quirk))
- continue;
-
- dev_dbg(dev,
- "Add dev: %d, 0x%llx end: %d, %s, %c/%c to %s: %d\n",
- ffs(adr_link->mask) - 1, adr_dev->adr,
- adr_end->num, type_strings[dai_info->dai_type],
- dai_info->direction[SNDRV_PCM_STREAM_PLAYBACK] ? 'P' : '-',
- dai_info->direction[SNDRV_PCM_STREAM_CAPTURE] ? 'C' : '-',
- adr_end->aggregated ? "group" : "solo",
- adr_end->group_id);
-
- if (adr_end->num >= codec_info->dai_num) {
- dev_err(dev,
- "%d is too many endpoints for codec: 0x%x\n",
- adr_end->num, codec_info->part_id);
- return -EINVAL;
- }
-
- for_each_pcm_streams(stream) {
- if (dai_info->direction[stream] &&
- dai_info->dailink[stream] < 0) {
- dev_err(dev,
- "Invalid dailink id %d for codec: 0x%x\n",
- dai_info->dailink[stream],
- codec_info->part_id);
- return -EINVAL;
- }
-
- if (dai_info->direction[stream]) {
- num_dais += !sof_dai->num_devs[stream];
- sof_dai->num_devs[stream]++;
- sof_dai->link_mask[stream] |= adr_link->mask;
- }
- }
-
- num_link_dailinks += !!list_empty(&sof_dai->endpoints);
- list_add_tail(&sof_end->list, &sof_dai->endpoints);
-
- sof_end->link_mask = adr_link->mask;
- sof_end->codec_name = codec_name;
- sof_end->codec_info = codec_info;
- sof_end->dai_info = dai_info;
- sof_end++;
- }
- }
-
- ctx->append_dai_type |= (num_link_dailinks > 1);
- }
-
- return num_dais;
-}
-
static int create_sdw_dailink(struct snd_soc_card *card,
struct asoc_sdw_dailink *sof_dai,
struct snd_soc_dai_link **dai_links,
diff --git a/sound/soc/sdw_utils/soc_sdw_utils.c b/sound/soc/sdw_utils/soc_sdw_utils.c
index d59ccb56642c..a6070f822eb9 100644
--- a/sound/soc/sdw_utils/soc_sdw_utils.c
+++ b/sound/soc/sdw_utils/soc_sdw_utils.c
@@ -1005,5 +1005,166 @@ int asoc_sdw_init_simple_dai_link(struct device *dev, struct snd_soc_dai_link *d
}
EXPORT_SYMBOL_NS(asoc_sdw_init_simple_dai_link, SND_SOC_SDW_UTILS);

+int asoc_sdw_count_sdw_endpoints(struct snd_soc_card *card, int *num_devs, int *num_ends)
+{
+ struct device *dev = card->dev;
+ struct snd_soc_acpi_mach *mach = dev_get_platdata(dev);
+ struct snd_soc_acpi_mach_params *mach_params = &mach->mach_params;
+ const struct snd_soc_acpi_link_adr *adr_link;
+ int i;
+
+ for (adr_link = mach_params->links; adr_link->num_adr; adr_link++) {
+ *num_devs += adr_link->num_adr;
+
+ for (i = 0; i < adr_link->num_adr; i++)
+ *num_ends += adr_link->adr_d[i].num_endpoints;
+ }
+
+ dev_dbg(dev, "Found %d devices with %d endpoints\n", *num_devs, *num_ends);
+
+ return 0;
+}
+EXPORT_SYMBOL_NS(asoc_sdw_count_sdw_endpoints, SND_SOC_SDW_UTILS);
+
+struct asoc_sdw_dailink *asoc_sdw_find_dailink(struct asoc_sdw_dailink *dailinks,
+ const struct snd_soc_acpi_endpoint *new)
+{
+ while (dailinks->initialised) {
+ if (new->aggregated && dailinks->group_id == new->group_id)
+ return dailinks;
+
+ dailinks++;
+ }
+
+ INIT_LIST_HEAD(&dailinks->endpoints);
+ dailinks->group_id = new->group_id;
+ dailinks->initialised = true;
+
+ return dailinks;
+}
+EXPORT_SYMBOL_NS(asoc_sdw_find_dailink, SND_SOC_SDW_UTILS);
+
+int asoc_sdw_parse_sdw_endpoints(struct snd_soc_card *card,
+ struct asoc_sdw_dailink *soc_dais,
+ struct asoc_sdw_endpoint *soc_ends,
+ int *num_devs)
+{
+ struct device *dev = card->dev;
+ struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
+ struct snd_soc_acpi_mach *mach = dev_get_platdata(dev);
+ struct snd_soc_acpi_mach_params *mach_params = &mach->mach_params;
+ const struct snd_soc_acpi_link_adr *adr_link;
+ struct asoc_sdw_endpoint *soc_end = soc_ends;
+ int num_dais = 0;
+ int i, j;
+ int ret;
+
+ for (adr_link = mach_params->links; adr_link->num_adr; adr_link++) {
+ int num_link_dailinks = 0;
+
+ if (!is_power_of_2(adr_link->mask)) {
+ dev_err(dev, "link with multiple mask bits: 0x%x\n",
+ adr_link->mask);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < adr_link->num_adr; i++) {
+ const struct snd_soc_acpi_adr_device *adr_dev = &adr_link->adr_d[i];
+ struct asoc_sdw_codec_info *codec_info;
+ const char *codec_name;
+
+ if (!adr_dev->name_prefix) {
+ dev_err(dev, "codec 0x%llx does not have a name prefix\n",
+ adr_dev->adr);
+ return -EINVAL;
+ }
+
+ codec_info = asoc_sdw_find_codec_info_part(adr_dev->adr);
+ if (!codec_info)
+ return -EINVAL;
+
+ ctx->ignore_internal_dmic |= codec_info->ignore_internal_dmic;
+
+ codec_name = asoc_sdw_get_codec_name(dev, codec_info, adr_link, i);
+ if (!codec_name)
+ return -ENOMEM;
+
+ dev_dbg(dev, "Adding prefix %s for %s\n",
+ adr_dev->name_prefix, codec_name);
+
+ soc_end->name_prefix = adr_dev->name_prefix;
+
+ if (codec_info->count_sidecar && codec_info->add_sidecar) {
+ ret = codec_info->count_sidecar(card, &num_dais, num_devs);
+ if (ret)
+ return ret;
+
+ soc_end->include_sidecar = true;
+ }
+
+ for (j = 0; j < adr_dev->num_endpoints; j++) {
+ const struct snd_soc_acpi_endpoint *adr_end;
+ const struct asoc_sdw_dai_info *dai_info;
+ struct asoc_sdw_dailink *soc_dai;
+ int stream;
+
+ adr_end = &adr_dev->endpoints[j];
+ dai_info = &codec_info->dais[adr_end->num];
+ soc_dai = asoc_sdw_find_dailink(soc_dais, adr_end);
+
+ if (dai_info->quirk && !(dai_info->quirk & ctx->mc_quirk))
+ continue;
+
+ dev_dbg(dev,
+ "Add dev: %d, 0x%llx end: %d, dai: %d, %c/%c to %s: %d\n",
+ ffs(adr_link->mask) - 1, adr_dev->adr,
+ adr_end->num, dai_info->dai_type,
+ dai_info->direction[SNDRV_PCM_STREAM_PLAYBACK] ? 'P' : '-',
+ dai_info->direction[SNDRV_PCM_STREAM_CAPTURE] ? 'C' : '-',
+ adr_end->aggregated ? "group" : "solo",
+ adr_end->group_id);
+
+ if (adr_end->num >= codec_info->dai_num) {
+ dev_err(dev,
+ "%d is too many endpoints for codec: 0x%x\n",
+ adr_end->num, codec_info->part_id);
+ return -EINVAL;
+ }
+
+ for_each_pcm_streams(stream) {
+ if (dai_info->direction[stream] &&
+ dai_info->dailink[stream] < 0) {
+ dev_err(dev,
+ "Invalid dailink id %d for codec: 0x%x\n",
+ dai_info->dailink[stream],
+ codec_info->part_id);
+ return -EINVAL;
+ }
+
+ if (dai_info->direction[stream]) {
+ num_dais += !soc_dai->num_devs[stream];
+ soc_dai->num_devs[stream]++;
+ soc_dai->link_mask[stream] |= adr_link->mask;
+ }
+ }
+
+ num_link_dailinks += !!list_empty(&soc_dai->endpoints);
+ list_add_tail(&soc_end->list, &soc_dai->endpoints);
+
+ soc_end->link_mask = adr_link->mask;
+ soc_end->codec_name = codec_name;
+ soc_end->codec_info = codec_info;
+ soc_end->dai_info = dai_info;
+ soc_end++;
+ }
+ }
+
+ ctx->append_dai_type |= (num_link_dailinks > 1);
+ }
+
+ return num_dais;
+}
+EXPORT_SYMBOL_NS(asoc_sdw_parse_sdw_endpoints, SND_SOC_SDW_UTILS);
+
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SoundWire ASoC helpers");
--
2.34.1