From 952ee722ff3e76fd82a065b2cc272b46ed9c22f9 Mon Sep 17 00:00:00 2001
From: kettenis <kettenis@openbsd.org>
Date: Wed, 26 Jul 2023 11:09:24 +0000
Subject: [PATCH] Shutd down the power domains suring suspend.

ok patrick@, tobhe@
---
 sys/arch/arm64/dev/apldma.c | 23 +++++++++++++++++++++--
 sys/arch/arm64/dev/aplmca.c | 32 ++++++++++++++++++++++++++++++--
 2 files changed, 51 insertions(+), 4 deletions(-)

diff --git a/sys/arch/arm64/dev/apldma.c b/sys/arch/arm64/dev/apldma.c
index f842f9f5148..01fd2693d41 100644
--- a/sys/arch/arm64/dev/apldma.c
+++ b/sys/arch/arm64/dev/apldma.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: apldma.c,v 1.5 2022/11/26 21:35:22 kettenis Exp $	*/
+/*	$OpenBSD: apldma.c,v 1.6 2023/07/26 11:09:24 kettenis Exp $	*/
 /*
  * Copyright (c) 2022 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -110,9 +110,11 @@ struct apldma_softc *apldma_sc;
 
 int	apldma_match(struct device *, void *, void *);
 void	apldma_attach(struct device *, struct device *, void *);
+int	apldma_activate(struct device *, int);
 
 const struct cfattach apldma_ca = {
-	sizeof (struct apldma_softc), apldma_match, apldma_attach
+	sizeof (struct apldma_softc), apldma_match, apldma_attach, NULL,
+	apldma_activate
 };
 
 struct cfdriver apldma_cd = {
@@ -197,6 +199,23 @@ unmap:
 	bus_space_unmap(sc->sc_iot, sc->sc_ioh, faa->fa_reg[0].size);
 }
 
+int
+apldma_activate(struct device *self, int act)
+{
+	struct apldma_softc *sc = (struct apldma_softc *)self;
+
+	switch (act) {
+	case DVACT_SUSPEND:
+		power_domain_disable(sc->sc_node);
+		break;
+	case DVACT_RESUME:
+		power_domain_enable(sc->sc_node);
+		break;
+	}
+
+	return 0;
+}
+
 void
 apldma_fill_descriptors(struct apldma_channel *ac)
 {
diff --git a/sys/arch/arm64/dev/aplmca.c b/sys/arch/arm64/dev/aplmca.c
index 88cb4358b61..95da05e4726 100644
--- a/sys/arch/arm64/dev/aplmca.c
+++ b/sys/arch/arm64/dev/aplmca.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: aplmca.c,v 1.6 2023/02/03 13:20:21 kettenis Exp $	*/
+/*	$OpenBSD: aplmca.c,v 1.7 2023/07/26 11:09:24 kettenis Exp $	*/
 /*
  * Copyright (c) 2022 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -152,9 +152,11 @@ const struct audio_hw_if aplmca_hw_if = {
 
 int	aplmca_match(struct device *, void *, void *);
 void	aplmca_attach(struct device *, struct device *, void *);
+int	aplmca_activate(struct device *, int);
 
 const struct cfattach aplmca_ca = {
-	sizeof (struct aplmca_softc), aplmca_match, aplmca_attach
+	sizeof (struct aplmca_softc), aplmca_match, aplmca_attach, NULL,
+	aplmca_activate
 };
 
 struct cfdriver aplmca_cd = {
@@ -223,6 +225,32 @@ aplmca_attach(struct device *parent, struct device *self, void *aux)
 	}
 }
 
+int
+aplmca_activate(struct device *self, int act)
+{
+	struct aplmca_softc *sc = (struct aplmca_softc *)self;
+	int i;
+
+	switch (act) {
+	case DVACT_SUSPEND:
+		for (i = 0; i < sc->sc_nclusters; i++) {
+			if (sc->sc_ad[i].ad_ac)
+				power_domain_disable_idx(sc->sc_node, i + 1);
+		}
+		power_domain_disable_idx(sc->sc_node, 0);
+		break;
+	case DVACT_RESUME:
+		power_domain_enable_idx(sc->sc_node, 0);
+		for (i = 0; i < sc->sc_nclusters; i++) {
+			if (sc->sc_ad[i].ad_ac)
+				power_domain_enable_idx(sc->sc_node, i + 1);
+		}
+		break;
+	}
+
+	return 0;
+}
+
 int
 aplmca_dai_init(struct aplmca_softc *sc, int port)
 {
-- 
2.20.1