@@ -111,6 +111,12 @@ static const struct sof_topology_token gain_tokens[] = {
get_token_u32, offsetof(struct sof_ipc4_gain_data, init_val)},
};
+/* SRC */
+static const struct sof_topology_token src_tokens[] = {
+ {SOF_TKN_SRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
+ offsetof(struct sof_ipc4_src, sink_rate)},
+};
+
static const struct sof_token_info ipc4_token_list[SOF_TOKEN_COUNT] = {
[SOF_DAI_TOKENS] = {"DAI tokens", dai_tokens, ARRAY_SIZE(dai_tokens)},
[SOF_PIPELINE_TOKENS] = {"Pipeline tokens", pipeline_tokens, ARRAY_SIZE(pipeline_tokens)},
@@ -134,6 +140,7 @@ static const struct sof_token_info ipc4_token_list[SOF_TOKEN_COUNT] = {
[SOF_AUDIO_FMT_NUM_TOKENS] = {"IPC4 Audio format number tokens",
ipc4_audio_fmt_num_tokens, ARRAY_SIZE(ipc4_audio_fmt_num_tokens)},
[SOF_GAIN_TOKENS] = {"Gain tokens", gain_tokens, ARRAY_SIZE(gain_tokens)},
+ [SOF_SRC_TOKENS] = {"SRC tokens", src_tokens, ARRAY_SIZE(src_tokens)},
};
static void sof_ipc4_dbg_audio_format(struct device *dev,
@@ -740,6 +747,58 @@ static int sof_ipc4_widget_setup_comp_mixer(struct snd_sof_widget *swidget)
return ret;
}
+static int sof_ipc4_widget_setup_comp_src(struct snd_sof_widget *swidget)
+{
+ struct snd_soc_component *scomp = swidget->scomp;
+ struct sof_ipc4_src *src;
+ int ret;
+
+ dev_dbg(scomp->dev, "Updating IPC structure for %s\n", swidget->widget->name);
+
+ src = kzalloc(sizeof(*src), GFP_KERNEL);
+ if (!src)
+ return -ENOMEM;
+
+ swidget->private = src;
+
+ /* The out_audio_fmt in topology is ignored as it is not required by SRC */
+ ret = sof_ipc4_get_audio_fmt(scomp, swidget, &src->available_fmt, false);
+ if (ret)
+ goto err;
+
+ ret = sof_update_ipc_object(scomp, src, SOF_SRC_TOKENS, swidget->tuples,
+ swidget->num_tuples, sizeof(src), 1);
+ if (ret) {
+ dev_err(scomp->dev, "Parsing SRC tokens failed\n");
+ goto err;
+ }
+
+ dev_dbg(scomp->dev, "SRC sink rate %d\n", src->sink_rate);
+
+ ret = sof_ipc4_widget_setup_msg(swidget, &src->msg);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ sof_ipc4_free_audio_fmt(&src->available_fmt);
+ kfree(src);
+ swidget->private = NULL;
+ return ret;
+}
+
+static void sof_ipc4_widget_free_comp_src(struct snd_sof_widget *swidget)
+{
+ struct sof_ipc4_src *src = swidget->private;
+
+ if (!src)
+ return;
+
+ sof_ipc4_free_audio_fmt(&src->available_fmt);
+ kfree(swidget->private);
+ swidget->private = NULL;
+}
+
static void sof_ipc4_widget_free_comp_mixer(struct snd_sof_widget *swidget)
{
struct sof_ipc4_mixer *mixer = swidget->private;
@@ -1305,6 +1364,37 @@ static int sof_ipc4_prepare_mixer_module(struct snd_sof_widget *swidget,
return 0;
}
+static int sof_ipc4_prepare_src_module(struct snd_sof_widget *swidget,
+ struct snd_pcm_hw_params *fe_params,
+ struct snd_sof_platform_stream_params *platform_params,
+ struct snd_pcm_hw_params *pipeline_params, int dir)
+{
+ struct snd_soc_component *scomp = swidget->scomp;
+ struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
+ struct sof_ipc4_src *src = swidget->private;
+ struct snd_interval *rate;
+ int ret;
+
+ src->available_fmt.ref_audio_fmt = &src->available_fmt.base_config->audio_fmt;
+
+ /* output format is not required to be sent to the FW for SRC */
+ ret = sof_ipc4_init_audio_fmt(sdev, swidget, &src->base_config,
+ NULL, pipeline_params, &src->available_fmt,
+ sizeof(src->base_config));
+ if (ret < 0)
+ return ret;
+
+ /* update pipeline memory usage */
+ sof_ipc4_update_pipeline_mem_usage(sdev, swidget, &src->base_config);
+
+ /* update pipeline_params for sink widgets */
+ rate = hw_param_interval(pipeline_params, SNDRV_PCM_HW_PARAM_RATE);
+ rate->min = src->sink_rate;
+ rate->max = rate->min;
+
+ return 0;
+}
+
static int sof_ipc4_control_load_volume(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol)
{
struct sof_ipc4_control_data *control_data;
@@ -1360,7 +1450,6 @@ static int sof_ipc4_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget
u32 ipc_size = 0;
int ret;
-
switch (swidget->id) {
case snd_soc_dapm_scheduler:
pipeline = swidget->private;
@@ -1415,6 +1504,16 @@ static int sof_ipc4_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget
msg = &mixer->msg;
break;
}
+ case snd_soc_dapm_src:
+ {
+ struct sof_ipc4_src *src = swidget->private;
+
+ ipc_size = sizeof(struct sof_ipc4_base_module_cfg) + sizeof(src->sink_rate);
+ ipc_data = src;
+
+ msg = &src->msg;
+ break;
+ }
default:
dev_err(sdev->dev, "widget type %d not supported", swidget->id);
return -EINVAL;
@@ -1762,6 +1861,15 @@ static enum sof_tokens mixer_token_list[] = {
SOF_COMP_EXT_TOKENS,
};
+static enum sof_tokens src_token_list[] = {
+ SOF_COMP_TOKENS,
+ SOF_SRC_TOKENS,
+ SOF_AUDIO_FMT_NUM_TOKENS,
+ SOF_IN_AUDIO_FORMAT_TOKENS,
+ SOF_AUDIO_FORMAT_BUFFER_SIZE_TOKENS,
+ SOF_COMP_EXT_TOKENS,
+};
+
static const struct sof_ipc_tplg_widget_ops tplg_ipc4_widget_ops[SND_SOC_DAPM_TYPE_COUNT] = {
[snd_soc_dapm_aif_in] = {sof_ipc4_widget_setup_pcm, sof_ipc4_widget_free_comp_pcm,
host_token_list, ARRAY_SIZE(host_token_list), NULL,
@@ -1790,6 +1898,10 @@ static const struct sof_ipc_tplg_widget_ops tplg_ipc4_widget_ops[SND_SOC_DAPM_TY
mixer_token_list, ARRAY_SIZE(mixer_token_list),
NULL, sof_ipc4_prepare_mixer_module,
NULL},
+ [snd_soc_dapm_src] = {sof_ipc4_widget_setup_comp_src, sof_ipc4_widget_free_comp_src,
+ src_token_list, ARRAY_SIZE(src_token_list),
+ NULL, sof_ipc4_prepare_src_module,
+ NULL},
};
const struct sof_ipc_tplg_ops ipc4_tplg_ops = {
@@ -242,4 +242,18 @@ struct sof_ipc4_mixer {
struct sof_ipc4_msg msg;
};
+/**
+ * struct sof_ipc4_src SRC config data
+ * @base_config: IPC base config data
+ * @sink_rate: Output rate for sink module
+ * @available_fmt: Available audio format
+ * @msg: IPC4 message struct containing header and data info
+ */
+struct sof_ipc4_src {
+ struct sof_ipc4_base_module_cfg base_config;
+ uint32_t sink_rate;
+ struct sof_ipc4_available_audio_format available_fmt;
+ struct sof_ipc4_msg msg;
+};
+
#endif