linux-kernel - [PATCH 7/9] ASoC: SOF: amd: enable soundwire host wake irq mask

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Message-ID: <20250502154445.3008598-8-Vijendar.Mukunda@amd.com>
Date: Fri, 2 May 2025 21:12:46 +0530
From: Vijendar Mukunda <Vijendar.Mukunda@....com>
To: <broonie@...nel.org>, <alsa-devel@...a-project.org>
CC: <Mario.Limonciello@....com>, <venkataprasad.potturu@....com>,
	<Basavaraj.Hiregoudar@....com>, <Sunil-kumar.Dommati@....com>,
	<linux-kernel@...r.kernel.org>, <linux-sound@...r.kernel.org>,
	<sound-open-firmware@...a-project.org>, Vijendar Mukunda
	<Vijendar.Mukunda@....com>, Ranjani Sridharan
	<ranjani.sridharan@...ux.intel.com>, Bard Liao
	<yung-chuan.liao@...ux.intel.com>, Liam Girdwood <lgirdwood@...il.com>,
	"Peter Ujfalusi" <peter.ujfalusi@...ux.intel.com>, Daniel Baluta
	<daniel.baluta@....com>, Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
	Pierre-Louis Bossart <pierre-louis.bossart@...ux.dev>, Jaroslav Kysela
	<perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, Mario Limonciello
	<mario.limonciello@....com>, Cristian Ciocaltea
	<cristian.ciocaltea@...labora.com>, Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH 7/9] ASoC: SOF: amd: enable soundwire host wake irq mask

Enable SoundWire host wake interrupt mask during acp init
sequence based on wake enable checks for each SoundWire manager
instance for ACP7.0 & ACP7.1 platforms.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@....com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
---
 sound/soc/sof/amd/acp-dsp-offset.h | 5 +++++
 sound/soc/sof/amd/acp.c            | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/sound/soc/sof/amd/acp-dsp-offset.h b/sound/soc/sof/amd/acp-dsp-offset.h
index 414151187b44..e77554f74c20 100644
--- a/sound/soc/sof/amd/acp-dsp-offset.h
+++ b/sound/soc/sof/amd/acp-dsp-offset.h
@@ -131,4 +131,9 @@
 #define ACP_SW0_EN				0x3000
 #define ACP_SW1_EN				0x3C00
 #define ACP70_PME_EN				0x1400
+#define ACP70_EXTERNAL_INTR_CNTL1		0x1A08
+#define ACP70_SW0_WAKE_EN			0x1458
+#define ACP70_SW1_WAKE_EN			0x1460
+#define ACP70_SDW_HOST_WAKE_MASK		0x0C00000
+
 #endif
diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c
index 2ad5fbf43c8a..d62ba4f75e4f 100644
--- a/sound/soc/sof/amd/acp.c
+++ b/sound/soc/sof/amd/acp.c
@@ -563,6 +563,7 @@ static int acp_init(struct snd_sof_dev *sdev)
 {
 	const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
 	struct acp_dev_data *acp_data;
+	unsigned int sdw0_wake_en, sdw1_wake_en;
 	int ret;
 
 	/* power on */
@@ -591,6 +592,12 @@ static int acp_init(struct snd_sof_dev *sdev)
 	switch (acp_data->pci_rev) {
 	case ACP70_PCI_ID:
 	case ACP71_PCI_ID:
+		sdw0_wake_en = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP70_SW0_WAKE_EN);
+		sdw1_wake_en = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP70_SW1_WAKE_EN);
+		if (sdw0_wake_en || sdw1_wake_en)
+			snd_sof_dsp_update_bits(sdev, ACP_DSP_BAR, ACP70_EXTERNAL_INTR_CNTL1,
+						ACP70_SDW_HOST_WAKE_MASK, ACP70_SDW_HOST_WAKE_MASK);
+
 		snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP70_PME_EN, 1);
 		break;
 	}
-- 
2.45.2