Add new ops for SSP.
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Rander Wang rander.wang@intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Péter Ujfalusi peter.ujfalusi@linux.intel.com --- sound/soc/sof/intel/hda-dai.c | 115 +++++++++++++++++++++++++++++++++- 1 file changed, 114 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c index 3297dea493aa..711854f59cf5 100644 --- a/sound/soc/sof/intel/hda-dai.c +++ b/sound/soc/sof/intel/hda-dai.c @@ -10,6 +10,8 @@
#include <sound/pcm_params.h> #include <sound/hdaudio_ext.h> +#include <sound/hda-mlink.h> +#include <sound/hda_register.h> #include <sound/intel-nhlt.h> #include <sound/sof/ipc4/header.h> #include <uapi/sound/sof/header.h> @@ -330,6 +332,96 @@ static const struct snd_soc_dai_ops hda_dai_ops = {
#endif
+static struct sof_ipc4_copier *widget_to_copier(struct snd_soc_dapm_widget *w) +{ + struct snd_sof_widget *swidget = w->dobj.private; + struct snd_sof_dai *sdai = swidget->private; + struct sof_ipc4_copier *ipc4_copier = (struct sof_ipc4_copier *)sdai->private; + + return ipc4_copier; +} + +static int non_hda_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *cpu_dai) +{ + struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream); + struct sof_ipc4_dma_config_tlv *dma_config_tlv; + const struct hda_dai_widget_dma_ops *ops; + struct sof_ipc4_dma_config *dma_config; + struct sof_ipc4_copier *ipc4_copier; + struct hdac_ext_stream *hext_stream; + struct hdac_stream *hstream; + struct snd_sof_dev *sdev; + int stream_id; + int ret; + + ops = hda_dai_get_ops(substream, cpu_dai); + if (!ops) { + dev_err(cpu_dai->dev, "DAI widget ops not set\n"); + return -EINVAL; + } + + /* use HDaudio stream handling */ + ret = hda_dai_hw_params(substream, params, cpu_dai); + if (ret < 0) { + dev_err(cpu_dai->dev, "%s: hda_dai_hw_params failed: %d\n", __func__, ret); + return ret; + } + + /* get stream_id */ + sdev = widget_to_sdev(w); + hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream); + + if (!hext_stream) { + dev_err(cpu_dai->dev, "%s: no hext_stream found\n", __func__); + return -ENODEV; + } + + hstream = &hext_stream->hstream; + stream_id = hstream->stream_tag; + + if (!stream_id) { + dev_err(cpu_dai->dev, "%s: no stream_id allocated\n", __func__); + return -ENODEV; + } + + /* configure TLV */ + ipc4_copier = widget_to_copier(w); + + dma_config_tlv = &ipc4_copier->dma_config_tlv; + dma_config_tlv->type = SOF_IPC4_GTW_DMA_CONFIG_ID; + /* dma_config_priv_size is zero */ + dma_config_tlv->length = sizeof(dma_config_tlv->dma_config); + + dma_config = &dma_config_tlv->dma_config; + + dma_config->dma_method = SOF_IPC4_DMA_METHOD_HDA; + dma_config->pre_allocated_by_host = 1; + dma_config->dma_channel_id = stream_id - 1; + dma_config->stream_id = stream_id; + dma_config->dma_stream_channel_map.device_count = 0; /* mapping not used */ + dma_config->dma_priv_config_size = 0; + + return 0; +} + +static int non_hda_dai_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *cpu_dai) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + int stream = substream->stream; + + return non_hda_dai_hw_params(substream, &rtd->dpcm[stream].hw_params, cpu_dai); +} + +static const struct snd_soc_dai_ops ssp_dai_ops = { + .hw_params = non_hda_dai_hw_params, + .hw_free = hda_dai_hw_free, + .trigger = hda_dai_trigger, + .prepare = non_hda_dai_prepare, +}; + static int hda_dai_suspend(struct hdac_bus *bus) { struct snd_soc_pcm_runtime *rtd; @@ -384,7 +476,26 @@ static int hda_dai_suspend(struct hdac_bus *bus) return 0; }
-#endif +static void ssp_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) +{ + const struct sof_intel_dsp_desc *chip; + int i; + + chip = get_chip_info(sdev->pdata); + + if (chip->hw_ip_version >= SOF_INTEL_ACE_2_0) { + for (i = 0; i < ops->num_drv; i++) { + if (strstr(ops->drv[i].name, "SSP")) + ops->drv[i].ops = &ssp_dai_ops; + } + } +} + +#else + +static inline void ssp_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) {} + +#endif /* CONFIG_SND_SOC_SOF_HDA_LINK */
void hda_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) { @@ -399,6 +510,8 @@ void hda_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) #endif }
+ ssp_set_dai_drv_ops(sdev, ops); + if (sdev->pdata->ipc_type == SOF_INTEL_IPC4 && !hda_use_tplg_nhlt) { struct sof_ipc4_fw_data *ipc4_data = sdev->private;