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Subject[PATCH v2 2/5] ASoC: SOF: topology: Add dummy support for i.MX8 DAIs
Date
Add dummy support for SAI/ESAI digital audio interface
IPs found on i.MX8 boards.

Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
---
This is also on review with SOF community here:

https://github.com/thesofproject/linux/pull/1048
include/sound/sof/dai.h | 2 ++
include/uapi/sound/sof/tokens.h | 8 ++++++++
sound/soc/sof/topology.c | 30 ++++++++++++++++++++++++++++++
3 files changed, 40 insertions(+)

diff --git a/include/sound/sof/dai.h b/include/sound/sof/dai.h
index 3d174e20aa53..ec3b5c080537 100644
--- a/include/sound/sof/dai.h
+++ b/include/sound/sof/dai.h
@@ -50,6 +50,8 @@ enum sof_ipc_dai_type {
SOF_DAI_INTEL_DMIC, /**< Intel DMIC */
SOF_DAI_INTEL_HDA, /**< Intel HD/A */
SOF_DAI_INTEL_SOUNDWIRE, /**< Intel SoundWire */
+ SOF_DAI_IMX_SAI, /**< i.MX SAI */
+ SOF_DAI_IMX_ESAI, /**< i.MX ESAI */
};

/* general purpose DAI configuration */
diff --git a/include/uapi/sound/sof/tokens.h b/include/uapi/sound/sof/tokens.h
index dc1b27daaac6..347ce10bfd2d 100644
--- a/include/uapi/sound/sof/tokens.h
+++ b/include/uapi/sound/sof/tokens.h
@@ -105,4 +105,12 @@
/* for backward compatibility */
#define SOF_TKN_EFFECT_TYPE SOF_TKN_PROCESS_TYPE

+/* SAI */
+#define SOF_TKN_IMX_SAI_FIRST_TOKEN 1000
+/* TODO: Add SAI tokens */
+
+/* ESAI */
+#define SOF_TKN_IMX_ESAI_FIRST_TOKEN 1100
+/* TODO: Add ESAI tokens */
+
#endif
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index 432ae343f960..b5399f520366 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -339,6 +339,8 @@ static const struct sof_dai_types sof_dais[] = {
{"SSP", SOF_DAI_INTEL_SSP},
{"HDA", SOF_DAI_INTEL_HDA},
{"DMIC", SOF_DAI_INTEL_DMIC},
+ {"SAI", SOF_DAI_IMX_SAI},
+ {"ESAI", SOF_DAI_IMX_ESAI},
};

static enum sof_ipc_dai_type find_dai(const char *name)
@@ -2457,6 +2459,26 @@ static int sof_link_ssp_load(struct snd_soc_component *scomp, int index,
return ret;
}

+static int sof_link_sai_load(struct snd_soc_component *scomp, int index,
+ struct snd_soc_dai_link *link,
+ struct snd_soc_tplg_link_config *cfg,
+ struct snd_soc_tplg_hw_config *hw_config,
+ struct sof_ipc_dai_config *config)
+{
+ /*TODO: Add implementation */
+ return 0;
+}
+
+static int sof_link_esai_load(struct snd_soc_component *scomp, int index,
+ struct snd_soc_dai_link *link,
+ struct snd_soc_tplg_link_config *cfg,
+ struct snd_soc_tplg_hw_config *hw_config,
+ struct sof_ipc_dai_config *config)
+{
+ /*TODO: Add implementation */
+ return 0;
+}
+
static int sof_link_dmic_load(struct snd_soc_component *scomp, int index,
struct snd_soc_dai_link *link,
struct snd_soc_tplg_link_config *cfg,
@@ -2781,6 +2803,14 @@ static int sof_link_load(struct snd_soc_component *scomp, int index,
ret = sof_link_hda_load(scomp, index, link, cfg, hw_config,
&config);
break;
+ case SOF_DAI_IMX_SAI:
+ ret = sof_link_sai_load(scomp, index, link, cfg, hw_config,
+ &config);
+ break;
+ case SOF_DAI_IMX_ESAI:
+ ret = sof_link_esai_load(scomp, index, link, cfg, hw_config,
+ &config);
+ break;
default:
dev_err(sdev->dev, "error: invalid DAI type %d\n", config.type);
ret = -EINVAL;
--
2.17.1
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