Add new ops for SSP.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Rander Wang <rander.wang@xxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
---
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;
--
2.39.2
