@@ -53,7 +53,6 @@
#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
#define SOC_TPLG_PASS_END SOC_TPLG_PASS_BE_DAI
-
/*
* Old version of ABI structs, supported for backward compatibility.
*/
@@ -69,6 +68,39 @@ struct snd_soc_tplg_manifest_v4 {
struct snd_soc_tplg_private priv;
} __packed;
+/* Stream Capabilities v4 */
+struct snd_soc_tplg_stream_caps_v4 {
+ __le32 size; /* in bytes of this structure */
+ char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */
+ __le32 rates; /* supported rates SNDRV_PCM_RATE_* */
+ __le32 rate_min; /* min rate */
+ __le32 rate_max; /* max rate */
+ __le32 channels_min; /* min channels */
+ __le32 channels_max; /* max channels */
+ __le32 periods_min; /* min number of periods */
+ __le32 periods_max; /* max number of periods */
+ __le32 period_size_min; /* min period size bytes */
+ __le32 period_size_max; /* max period size bytes */
+ __le32 buffer_size_min; /* min buffer size bytes */
+ __le32 buffer_size_max; /* max buffer size bytes */
+} __packed;
+
+/* PCM v4 */
+struct snd_soc_tplg_pcm_v4 {
+ __le32 size; /* in bytes of this structure */
+ char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ __le32 pcm_id; /* unique ID - used to match with DAI link */
+ __le32 dai_id; /* unique ID - used to match */
+ __le32 playback; /* supports playback mode */
+ __le32 capture; /* supports capture mode */
+ __le32 compress; /* 1 = compressed; 0 = PCM */
+ struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */
+ __le32 num_streams; /* number of streams */
+ struct snd_soc_tplg_stream_caps_v4 caps[2]; /* playback and capture for DAI */
+} __packed;
+
/* topology context */
struct soc_tplg {
const struct firmware *fw;
@@ -491,6 +523,7 @@ static void remove_dai(struct snd_soc_component *comp,
if (dobj->ops && dobj->ops->dai_unload)
dobj->ops->dai_unload(comp, dobj);
+ kfree(dai_drv->name);
list_del(&dobj->list);
kfree(dai_drv);
}
@@ -508,6 +541,10 @@ static void remove_link(struct snd_soc_component *comp,
if (dobj->ops && dobj->ops->link_unload)
dobj->ops->link_unload(comp, dobj);
+ kfree(link->name);
+ kfree(link->stream_name);
+ kfree(link->cpu_dai_name);
+
list_del(&dobj->list);
snd_soc_remove_dai_link(comp->card, link);
kfree(link);
@@ -1606,7 +1643,8 @@ static int soc_tplg_dai_create(struct soc_tplg *tplg,
if (dai_drv == NULL)
return -ENOMEM;
- dai_drv->name = pcm->dai_name;
+ if (strlen(pcm->dai_name))
+ dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
dai_drv->id = pcm->dai_id;
if (pcm->playback) {
@@ -1649,11 +1687,15 @@ static int soc_tplg_link_create(struct soc_tplg *tplg,
if (link == NULL)
return -ENOMEM;
- link->name = pcm->pcm_name;
- link->stream_name = pcm->pcm_name;
+ if (strlen(pcm->pcm_name)) {
+ link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
+ link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
+ }
link->id = pcm->pcm_id;
- link->cpu_dai_name = pcm->dai_name;
+ if (strlen(pcm->dai_name))
+ link->cpu_dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
+
link->codec_name = "snd-soc-dummy";
link->codec_dai_name = "snd-soc-dummy-dai";
@@ -1692,38 +1734,127 @@ static int soc_tplg_pcm_create(struct soc_tplg *tplg,
return soc_tplg_link_create(tplg, pcm);
}
+/* copy stream caps from the old version 4 of source */
+static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
+ struct snd_soc_tplg_stream_caps_v4 *src)
+{
+ dest->size = sizeof(*dest);
+ memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
+ dest->formats = src->formats;
+ dest->rates = src->rates;
+ dest->rate_min = src->rate_min;
+ dest->rate_max = src->rate_max;
+ dest->channels_min = src->channels_min;
+ dest->channels_max = src->channels_max;
+ dest->periods_min = src->periods_min;
+ dest->periods_max = src->periods_max;
+ dest->period_size_min = src->period_size_min;
+ dest->period_size_max = src->period_size_max;
+ dest->buffer_size_min = src->buffer_size_min;
+ dest->buffer_size_max = src->buffer_size_max;
+}
+
+/**
+ * pcm_new_ver - Create the new version of PCM from the old version.
+ * @tplg: topology context
+ * @src: older version of pcm as a source
+ * @pcm: latest version of pcm created from the source
+ *
+ * Support from vesion 4. User should free the returned pcm manually.
+ */
+static int pcm_new_ver(struct soc_tplg *tplg,
+ struct snd_soc_tplg_pcm *src,
+ struct snd_soc_tplg_pcm **pcm)
+{
+ struct snd_soc_tplg_pcm *dest;
+ struct snd_soc_tplg_pcm_v4 *src_v4;
+ int i;
+
+ *pcm = NULL;
+
+ if (src->size != sizeof(*src_v4)) {
+ dev_err(tplg->dev, "ASoC: invalid PCM size\n");
+ return -EINVAL;
+ }
+
+ dev_warn(tplg->dev, "ASoC: old version of PCM\n");
+ src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
+ dest = kzalloc(sizeof(*dest), GFP_KERNEL);
+ if (!dest)
+ return -ENOMEM;
+
+ dest->size = sizeof(*dest); /* size of latest abi version */
+ memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
+ memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
+ dest->pcm_id = src_v4->pcm_id;
+ dest->dai_id = src_v4->dai_id;
+ dest->playback = src_v4->playback;
+ dest->capture = src_v4->capture;
+ dest->compress = src_v4->compress;
+ dest->num_streams = src_v4->num_streams;
+ for (i = 0; i < dest->num_streams; i++)
+ memcpy(&dest->stream[i], &src_v4->stream[i],
+ sizeof(struct snd_soc_tplg_stream));
+
+ for (i = 0; i < 2; i++)
+ stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
+
+ *pcm = dest;
+ return 0;
+}
+
static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
- struct snd_soc_tplg_pcm *pcm;
+ struct snd_soc_tplg_pcm *pcm, *_pcm;
int count = hdr->count;
- int i;
+ int i, err;
+ bool abi_match;
if (tplg->pass != SOC_TPLG_PASS_PCM_DAI)
return 0;
+ /* check the element size and count */
+ pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
+ if (pcm->size > sizeof(struct snd_soc_tplg_pcm)
+ || pcm->size < sizeof(struct snd_soc_tplg_pcm_v4)) {
+ dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
+ pcm->size);
+ return -EINVAL;
+ }
+
if (soc_tplg_check_elem_count(tplg,
- sizeof(struct snd_soc_tplg_pcm), count,
+ pcm->size, count,
hdr->payload_size, "PCM DAI")) {
dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
count);
return -EINVAL;
}
- /* create the FE DAIs and DAI links */
- pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
for (i = 0; i < count; i++) {
- if (pcm->size != sizeof(*pcm)) {
- dev_err(tplg->dev, "ASoC: invalid pcm size\n");
- return -EINVAL;
+ pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
+
+ /* check ABI version by size, create a new version of pcm
+ * if abi not match.
+ */
+ if (pcm->size == sizeof(*pcm)) {
+ abi_match = true;
+ _pcm = pcm;
+ } else {
+ abi_match = false;
+ err = pcm_new_ver(tplg, pcm, &_pcm);
}
- soc_tplg_pcm_create(tplg, pcm);
- pcm++;
+ /* create the FE DAIs and DAI links */
+ soc_tplg_pcm_create(tplg, _pcm);
+
+ if (!abi_match)
+ kfree(_pcm); /* free the duplicated one */
+
+ tplg->pos += pcm->size; /* offset by version-specific size */
}
dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
- tplg->pos += sizeof(struct snd_soc_tplg_pcm) * count;
return 0;
}