diff options
author | Guido Roncarolo <guido.roncarolo@nxp.com> | 2019-12-17 18:26:16 -0600 |
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committer | Mark Brown <broonie@kernel.org> | 2019-12-18 19:54:25 +0000 |
commit | d88cbd6feaf4b5de07d91f531112cf57ce821d78 (patch) | |
tree | da183f90d040d2431c21cd428ad76299e59d330d /sound/soc/sof/topology.c | |
parent | 9c1d4cf6ac26f890d82278326f6c7552c53ffb65 (diff) | |
download | linux-d88cbd6feaf4b5de07d91f531112cf57ce821d78.tar.bz2 |
ASoC: SOF: imx: Read SAI parameters and send them to DSP
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>
Link: https://lore.kernel.org/r/20191218002616.7652-9-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/topology.c')
-rw-r--r-- | sound/soc/sof/topology.c | 69 |
1 files changed, 67 insertions, 2 deletions
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, |