ASoC: SOF: ipc4-topology: Add support for parsing and preparing pga widgets

Add support for parsing and preparing pga type widgets. Define the
token ID's and the associated token arrays needed to parse these
widgets.

Co-developed-by: Rander Wang <rander.wang@linux.intel.com>
Signed-off-by: Rander Wang <rander.wang@linux.intel.com>
Co-developed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Paul Olaru <paul.olaru@oss.nxp.com>
Link: https://lore.kernel.org/r/20220609032643.916882-8-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/sound/soc/sof/ipc4-topology.h b/sound/soc/sof/ipc4-topology.h
index 5f4c463f329e..060123826db4 100644
--- a/sound/soc/sof/ipc4-topology.h
+++ b/sound/soc/sof/ipc4-topology.h
@@ -31,6 +31,9 @@
 #define SOF_IPC4_NODE_INDEX(x)	((x) & SOF_IPC4_NODE_INDEX_MASK)
 #define SOF_IPC4_NODE_TYPE(x)  ((x) << 8)
 
+#define SOF_IPC4_GAIN_ALL_CHANNELS_MASK 0xffffffff
+#define SOF_IPC4_VOL_ZERO_DB	0x7fffffff
+
 /**
  * struct sof_ipc4_pipeline - pipeline config data
  * @priority: Priority of this pipeline
@@ -128,4 +131,61 @@ struct sof_ipc4_copier {
 	int dai_index;
 };
 
+/**
+ * struct sof_ipc4_ctrl_value_chan: generic channel mapped value data
+ * @channel: Channel ID
+ * @value: gain value
+ */
+struct sof_ipc4_ctrl_value_chan {
+	u32 channel;
+	u32 value;
+};
+
+/**
+ * struct sof_ipc4_control_data - IPC data for kcontrol IO
+ * @msg: message structure for kcontrol IO
+ * @index: pipeline ID
+ * @chanv: channel ID and value array used by volume type controls
+ * @data: data for binary kcontrols
+ */
+struct sof_ipc4_control_data {
+	struct sof_ipc4_msg msg;
+	int index;
+
+	union {
+		struct sof_ipc4_ctrl_value_chan chanv[0];
+		struct sof_abi_hdr data[0];
+	};
+};
+
+/**
+ * struct sof_ipc4_gain_data - IPC gain blob
+ * @channels: Channels
+ * @init_val: Initial value
+ * @curve_type: Curve type
+ * @reserved: reserved for future use
+ * @curve_duration: Curve duration
+ */
+struct sof_ipc4_gain_data {
+	uint32_t channels;
+	uint32_t init_val;
+	uint32_t curve_type;
+	uint32_t reserved;
+	uint32_t curve_duration;
+} __aligned(8);
+
+/**
+ * struct sof_ipc4_gain - gain config data
+ * @base_config: IPC base config data
+ * @data: IPC gain blob
+ * @available_fmt: Available audio format
+ * @msg: message structure for gain
+ */
+struct sof_ipc4_gain {
+	struct sof_ipc4_base_module_cfg base_config;
+	struct sof_ipc4_gain_data data;
+	struct sof_ipc4_available_audio_format available_fmt;
+	struct sof_ipc4_msg msg;
+};
+
 #endif