Topology2: add mixout-gain-smart-amp-dai-copier-playback pipeline

This patch adds mixout-gain-smart-amp-dai-copier-playback
pipeline.

Signed-off-by: Chao Song <chao.song@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>

tools/topology/topology2/include/pipelines/cavs/mixout-gain-smart-amp-dai-copier-playback.conf

@@ -0,0 +1,143 @@
+#
+# BE playback pipeline: mixout-gain-smart-amp-dai-copier.
+#
+# All attributes defined herein are namespaced
+# by alsatplg to "Object.Pipeline.mixout-gain-smart-amp-dai-copier-playback.N.attribute_name"
+#
+# Usage: mixout-gain-smart-amp-dai-copier-playback pipeline object can be instantiated as:
+#
+# Object.Pipeline.mixout-gain-smart-amp-dai-copier-playback."N" {
+# 	period		1000
+# 	time_domain	"timer"
+# 	channels	2
+# 	rate		48000
+# }
+#
+# Where N is the unique pipeline ID within the same alsaconf node.
+#
+
+<include/common/audio_format.conf>
+<include/components/copier.conf>
+<include/components/gain.conf>
+<include/components/mixout.conf>
+<include/components/pipeline.conf>
+<include/components/smart_amp.conf>
+
+Class.Pipeline."mixout-gain-smart-amp-dai-copier-playback" {
+
+	<include/pipelines/pipeline-common.conf>
+
+	attributes {
+		!constructor [
+			"index"
+		]
+
+		!immutable [
+			"direction"
+		]
+
+		#
+		# mixout-gain-smart-amp-dai-copier-playback objects instantiated within the same
+		# alsaconf node must have unique instance attribute
+		#
+		unique	"instance"
+	}
+
+	Object.Widget {
+		mixout."1" {}
+		copier."1" {
+			type dai_in
+			node_type $HDA_LINK_OUTPUT_CLASS
+			num_audio_formats 2
+			num_input_audio_formats 2
+			num_output_audio_formats 2
+
+			# copier only supports one format based on mixin/mixout requirements: 32-bit 48KHz 2ch
+			Object.Base.audio_format.1 {
+				in_bit_depth		32
+				in_valid_bit_depth	24
+				out_bit_depth		32
+				out_valid_bit_depth	24
+				dma_buffer_size "$[$obs * 2]"
+			}
+
+			Object.Base.audio_format.2 {
+				in_bit_depth		32
+				in_valid_bit_depth	32
+				out_bit_depth		32
+				out_valid_bit_depth	32
+				dma_buffer_size "$[$obs * 2]"
+			}
+		}
+		gain."1" {
+			num_audio_formats 2
+			num_input_audio_formats 2
+			num_output_audio_formats 2
+
+			# 32-bit 48KHz 2ch
+			Object.Base.audio_format.1 {
+				in_bit_depth		32
+				in_valid_bit_depth	24
+				out_bit_depth		32
+				out_valid_bit_depth	24
+			}
+
+			Object.Base.audio_format.2 {
+				in_bit_depth		32
+				in_valid_bit_depth	32
+				out_bit_depth		32
+				out_valid_bit_depth	32
+			}
+		}
+
+		smart_amp."1" {
+			num_input_audio_formats 2
+			num_output_audio_formats 1
+			# 32-bit 48KHz 2ch
+			Object.Base.input_audio_format {
+				1 {
+					pin_index		0
+					in_bit_depth		32
+					in_valid_bit_depth	32
+				}
+				2 {
+					pin_index		1
+					in_bit_depth		32
+					in_valid_bit_depth	32
+				}
+			}
+			Object.Base.output_audio_format.1 {
+				pin_index 0
+				out_bit_depth		32
+				out_valid_bit_depth	32
+			}
+		}
+
+		pipeline."1" {
+			priority		0
+			lp_mode		0
+		}
+	}
+
+	Object.Base {
+		route.1 {
+			source mixout.$index.1
+			sink	gain.$index.1
+		}
+
+		route.2 {
+			source	gain.$index.1
+			sink	smart_amp.$index.1
+		}
+	}
+
+	direction	"playback"
+	dynamic_pipeline 1
+	time_domain	"timer"
+	channels	2
+	channels_min	2
+	channels_max	2
+	rate		48000
+	rate_min	48000
+	rate_max	48000
+}