From: Guido Roncarolo guido.roncarolo@nxp.com
Follow example from Intel SSP.
Signed-off-by: Guido Roncarolo guido.roncarolo@nxp.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- 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,