ASoC: SOF: topology: Get HDA rate and channels from topology

FW interface for HDA DAI parameters was extended with information on
sampling rate and channel count in version 3.16. Align kernel header
with the FW change. This change is backwards compatible. Old firmware
will ignore the values.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200415202816.934-23-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/sof/dai-intel.h

@@ -88,6 +88,8 @@ struct sof_ipc_dai_ssp_params {
 struct sof_ipc_dai_hda_params {
 	struct sof_ipc_hdr hdr;
 	uint32_t link_dma_ch;
+	uint32_t rate;
+	uint32_t channels;
 } __packed;
 
 /* ALH Configuration Request - SOF_IPC_DAI_ALH_CONFIG */

include/uapi/sound/sof/abi.h

@@ -26,7 +26,7 @@
 
 /* SOF ABI version major, minor and patch numbers */
 #define SOF_ABI_MAJOR 3
-#define SOF_ABI_MINOR 15
+#define SOF_ABI_MINOR 16
 #define SOF_ABI_PATCH 0
 
 /* SOF ABI version number. Format within 32bit word is MMmmmppp */

include/uapi/sound/sof/tokens.h

@@ -130,4 +130,8 @@
 #define SOF_TKN_INTEL_ALH_RATE			1400
 #define SOF_TKN_INTEL_ALH_CH			1401
 
+/* HDA */
+#define SOF_TKN_INTEL_HDA_RATE			1500
+#define SOF_TKN_INTEL_HDA_CH			1501
+
 #endif

sound/soc/sof/topology.c

@@ -753,6 +753,12 @@ static const struct sof_topology_token dmic_pdm_tokens[] = {
 
 /* HDA */
 static const struct sof_topology_token hda_tokens[] = {
+	{SOF_TKN_INTEL_HDA_RATE,
+		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
+		offsetof(struct sof_ipc_dai_hda_params, rate), 0},
+	{SOF_TKN_INTEL_HDA_CH,
+		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
+		offsetof(struct sof_ipc_dai_hda_params, channels), 0},
 };
 
 /* Leds */
@@ -3083,6 +3089,9 @@ static int sof_link_hda_load(struct snd_soc_component *scomp, int index,
 		return ret;
 	}
 
+	dev_dbg(scomp->dev, "HDA config rate %d channels %d\n",
+		config->hda.rate, config->hda.channels);
+
 	dai = snd_soc_find_dai(link->cpus);
 	if (!dai) {
 		dev_err(scomp->dev, "error: failed to find dai %s in %s",