ASoC: SOF: ops: add parse_platform_ext_manifest() op

Add parse_platform_ext_manifest() op to parse platform-specific config
data in the extended manifest.
Signed-off-by: Fred Oh <fred.oh@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20201127164022.2498406-2-kai.vehmanen@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/sof/ext_manifest.h

@@ -62,6 +62,7 @@ enum sof_ext_man_elem_type {
 	SOF_EXT_MAN_ELEM_CC_VERSION		= SOF_IPC_EXT_CC_INFO,
 	SOF_EXT_MAN_ELEM_DBG_ABI		= SOF_IPC_EXT_USER_ABI_INFO,
 	SOF_EXT_MAN_ELEM_CONFIG_DATA		= 5, /**< ABI3.17 */
+	SOF_EXT_MAN_ELEM_PLATFORM_CONFIG_DATA   = 6,
 };
 
 /* extended manifest element header */

sound/soc/sof/loader.c

@@ -330,6 +330,9 @@ static int snd_sof_fw_ext_man_parse(struct snd_sof_dev *sdev,
 		case SOF_EXT_MAN_ELEM_CONFIG_DATA:
 			ret = ext_man_get_config_data(sdev, elem_hdr);
 			break;
+		case SOF_EXT_MAN_ELEM_PLATFORM_CONFIG_DATA:
+			ret = snd_sof_dsp_parse_platform_ext_manifest(sdev, elem_hdr);
+			break;
 		default:
 			dev_info(sdev->dev, "unknown sof_ext_man header type %d size 0x%X\n",
 				 elem_hdr->type, elem_hdr->size);

sound/soc/sof/ops.h

@@ -100,6 +100,16 @@ static inline int snd_sof_dsp_post_fw_run(struct snd_sof_dev *sdev)
 	return 0;
 }
 
+/* parse platform specific extended manifest */
+static inline int snd_sof_dsp_parse_platform_ext_manifest(struct snd_sof_dev *sdev,
+							  const struct sof_ext_man_elem_header *hdr)
+{
+	if (sof_ops(sdev)->parse_platform_ext_manifest)
+		return sof_ops(sdev)->parse_platform_ext_manifest(sdev, hdr);
+
+	return 0;
+}
+
 /* misc */
 
 /**

sound/soc/sof/sof-priv.h

@@ -18,6 +18,7 @@
 #include <sound/sof/pm.h>
 #include <sound/sof/trace.h>
 #include <uapi/sound/sof/fw.h>
+#include <sound/sof/ext_manifest.h>
 
 /* debug flags */
 #define SOF_DBG_ENABLE_TRACE	BIT(0)
@@ -208,6 +209,10 @@ struct snd_sof_dsp_ops {
 	int (*pre_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
 	int (*post_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
 
+	/* parse platform specific extended manifest, optional */
+	int (*parse_platform_ext_manifest)(struct snd_sof_dev *sof_dev,
+					   const struct sof_ext_man_elem_header *hdr);
+
 	/* DSP PM */
 	int (*suspend)(struct snd_sof_dev *sof_dev,
 		       u32 target_state); /* optional */