From: Guido Roncarolo <guido.roncarolo@xxxxxxx>
Follow example from Intel SSP.
Signed-off-by: Guido Roncarolo <guido.roncarolo@xxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
sound/soc/sof/pcm.c | 8 +++++
sound/soc/sof/topology.c | 69 ++++++++++++++++++++++++++++++++++++++--
2 files changed, 75 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c
index 86829e5bd62d..9bb6388742e1 100644
--- a/sound/soc/sof/pcm.c
+++ b/sound/soc/sof/pcm.c
@@ -693,6 +693,14 @@ static int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
channels->min = dai->dai_config->esai.tdm_slots;
channels->max = dai->dai_config->esai.tdm_slots;
+ dev_dbg(component->dev,
+ "channels_min: %d channels_max: %d\n",
+ channels->min, channels->max);
+ break;
+ case SOF_DAI_IMX_SAI:
+ channels->min = dai->dai_config->sai.tdm_slots;
+ channels->max = dai->dai_config->sai.tdm_slots;
+
dev_dbg(component->dev,
"channels_min: %d channels_max: %d\n",
channels->min, channels->max);
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index e06fa7c7e502..9f4f8868b386 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -695,6 +695,13 @@ static const struct sof_topology_token esai_tokens[] = {
offsetof(struct sof_ipc_dai_esai_params, mclk_id), 0},
};
+/* SAI */
+static const struct sof_topology_token sai_tokens[] = {
+ {SOF_TKN_IMX_SAI_MCLK_ID,
+ SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
+ offsetof(struct sof_ipc_dai_sai_params, mclk_id), 0},
+};
+
/*
* DMIC PDM Tokens
* SOF_TKN_INTEL_DMIC_PDM_CTRL_ID should be the first token
@@ -2704,8 +2711,66 @@ static int sof_link_sai_load(struct snd_soc_component *scomp, int index,
struct snd_soc_tplg_hw_config *hw_config,
struct sof_ipc_dai_config *config)
{
- /*TODO: Add implementation */
- return 0;
+ struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
+ struct snd_soc_tplg_private *private = &cfg->priv;
+ struct sof_ipc_reply reply;
+ u32 size = sizeof(*config);
+ int ret;
+
+ /* handle master/slave and inverted clocks */
+ sof_dai_set_format(hw_config, config);
+
+ /* init IPC */
+ memset(&config->sai, 0, sizeof(struct sof_ipc_dai_sai_params));
+ config->hdr.size = size;
+
+ ret = sof_parse_tokens(scomp, &config->sai, sai_tokens,
+ ARRAY_SIZE(sai_tokens), private->array,
+ le32_to_cpu(private->size));
+ if (ret != 0) {
+ dev_err(scomp->dev, "error: parse sai tokens failed %d\n",
+ le32_to_cpu(private->size));
+ return ret;
+ }
+
+ config->sai.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
+ config->sai.mclk_direction = hw_config->mclk_direction;
+
+ config->sai.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
+ config->sai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
+ config->sai.rx_slots = le32_to_cpu(hw_config->rx_slots);
+ config->sai.tx_slots = le32_to_cpu(hw_config->tx_slots);
+
+ dev_info(scomp->dev,
+ "tplg: config SAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n",
+ config->dai_index, config->format,
+ config->sai.mclk_rate, config->sai.tdm_slot_width,
+ config->sai.tdm_slots, config->sai.mclk_id);
+
+ if (config->sai.tdm_slots < 1 || config->sai.tdm_slots > 8) {
+ dev_err(scomp->dev, "error: invalid channel count for SAI%d\n",
+ config->dai_index);
+ return -EINVAL;
+ }
+
+ /* send message to DSP */
+ ret = sof_ipc_tx_message(sdev->ipc,
+ config->hdr.cmd, config, size, &reply,
+ sizeof(reply));
+
+ if (ret < 0) {
+ dev_err(scomp->dev, "error: failed to set DAI config for SAI%d\n",
+ config->dai_index);
+ return ret;
+ }
+
+ /* set config for all DAI's with name matching the link name */
+ ret = sof_set_dai_config(sdev, size, link, config);
+ if (ret < 0)
+ dev_err(scomp->dev, "error: failed to save DAI config for SAI%d\n",
+ config->dai_index);
+
+ return ret;
}
static int sof_link_esai_load(struct snd_soc_component *scomp, int index,
--
2.20.1
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