From 080363ece967ad61e1ab5bda6d9f2941440e9354 Mon Sep 17 00:00:00 2001
From: Bard Liao <yung-chuan.liao@linux.intel.com>
Date: Tue, 29 Nov 2022 10:54:28 +0800
Subject: [PATCH] topology2: add sdw spk feedback pcm

This commit create a PCM that can pass amplifier feedback to user space.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
---
 .../topology2/platform/intel/alh-2nd-spk.conf | 15 +++++
 .../platform/intel/sdw-amp-generic.conf       | 57 +++++++++++++++++++
 2 files changed, 72 insertions(+)

diff --git a/tools/topology/topology2/platform/intel/alh-2nd-spk.conf b/tools/topology/topology2/platform/intel/alh-2nd-spk.conf
index 8e976914c..2cf6dddd2 100644
--- a/tools/topology/topology2/platform/intel/alh-2nd-spk.conf
+++ b/tools/topology/topology2/platform/intel/alh-2nd-spk.conf
@@ -12,4 +12,19 @@ Object.Pipeline {
 			node_type $ALH_LINK_OUTPUT_CLASS
 		}
 	}
+	passthrough-be.$ALH_2ND_SPK_IN_ID {
+		direction	"capture"
+		index $ALH_2ND_SPK_IN_ID
+		copier_type "ALH"
+		Object.Widget.pipeline.1 {
+			stream_name	'SPK IN stream'
+		}
+		Object.Widget.copier.1 {
+			stream_name	$SDW_SPK_IN_STREAM
+			dai_type	"ALH"
+			copier_type	"ALH"
+			type		"dai_out"
+			node_type $ALH_LINK_INPUT_CLASS
+		}
+	}
 }
diff --git a/tools/topology/topology2/platform/intel/sdw-amp-generic.conf b/tools/topology/topology2/platform/intel/sdw-amp-generic.conf
index aaa68a40b..fdf19bf33 100644
--- a/tools/topology/topology2/platform/intel/sdw-amp-generic.conf
+++ b/tools/topology/topology2/platform/intel/sdw-amp-generic.conf
@@ -2,8 +2,11 @@
 
 Define {
 	SDW_SPK_STREAM 'SDW1-Playback'
+	SDW_SPK_IN_STREAM 'SDW1-Capture'
 	ALH_2ND_SPK_ID 22
+	ALH_2ND_SPK_IN_ID 32
 	SDW_AMP_BE_ID 2
+	SDW_AMP_IN_BE_ID 3
 }
 
 Object.Dai {
@@ -19,6 +22,18 @@ Object.Dai {
 			id	0
 		}
 	}
+	ALH."515" {
+		id 		$SDW_AMP_IN_BE_ID
+		direction	"capture"
+		name		$SDW_SPK_IN_STREAM
+		default_hw_conf_id	1
+		rate			48000
+		channels		2
+
+		Object.Base.hw_config."ALH515" {
+			id	1
+		}
+	}
 }
 
 Object.Pipeline {
@@ -51,6 +66,32 @@ Object.Pipeline {
 		}
 	}
 
+	passthrough-capture.30 {
+		index 30
+		Object.Widget.pipeline.1.stream_name	"SPK IN stream"
+
+		Object.Widget.copier.1.stream_name	"amp feedback"
+		Object.Widget.copier.1.Object.Base.audio_format.1 {
+			# 32 -> 16 bits conversion is done here,
+			# so in_bit_depth is 32 (and out_bit_depth is 16).
+			in_bit_depth	32
+		}
+	}
+	passthrough-be.31 {
+		direction	"capture"
+		index 31
+		copier_type "ALH"
+		Object.Widget.pipeline.1 {
+			stream_name	'SPK IN stream'
+		}
+		Object.Widget.copier.1 {
+			stream_name	$SDW_SPK_IN_STREAM
+			dai_type	"ALH"
+			copier_type	"ALH"
+			type		"dai_out"
+			node_type $ALH_LINK_INPUT_CLASS
+		}
+	}
 }
 
 IncludeByKey.NUM_SDW_AMPS {
@@ -69,6 +110,17 @@ Object.PCM {
 			formats 'S16_LE,S24_LE,S32_LE'
 		}
 	}
+	pcm.3 {
+		name	"Amp feedback"
+		id 3
+		direction	"capture"
+		Object.Base.fe_dai."Amp feedback" {}
+
+		Object.PCM.pcm_caps."capture" {
+			name "amp feedback"
+			formats 'S16_LE,S32_LE'
+		}
+	}
 }
 
 Object.Base {
@@ -81,4 +133,9 @@ Object.Base {
 		source 'mixin.20.1'
 		sink 'mixout.21.1'
 	}
+
+	route.30 {
+		source	"copier.ALH.31.1"
+		sink	"copier.host.30.1"
+	}
 }