ASoC: SOF: topology: Add dummy support for i.MX8 DAIs

Add dummy support for SAI/ESAI digital audio interface
IPs found on i.MX8 boards.

Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190815192018.30570-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/include/sound/sof/dai.h b/include/sound/sof/dai.h
index da9825a..8649429 100644 (file)
--- 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 6435240..8f99685 100644 (file)
--- a/include/uapi/sound/sof/tokens.h
+++ b/include/uapi/sound/sof/tokens.h
@@ -106,4 +106,12 @@
 /* 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 9cffea1..a215bf5 100644 (file)
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -346,6 +346,8 @@ 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)
@@ -2513,6 +2515,26 @@ 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,
@@ -2837,6 +2859,14 @@ 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;