Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Received-SPF: Pass (protection.outlook.com: domain of amd.com designates
 165.204.84.17 as permitted sender) receiver=protection.outlook.com;
 client-ip=165.204.84.17; helo=SATLEXMB04.amd.com;
From:   Vijendar Mukunda <Vijendar.Mukunda@amd.com>
To:     <broonie@kernel.org>, <alsa-devel@alsa-project.org>
CC:     <Alexander.Deucher@amd.com>, <Sunil-kumar.Dommati@amd.com>,
        <krisman@collabora.com>,
        Vijendar Mukunda <Vijendar.Mukunda@amd.com>,
        "Liam Girdwood" <lgirdwood@gmail.com>,
        Jaroslav Kysela <perex@perex.cz>,
        "Takashi Iwai" <tiwai@suse.com>,
        open list <linux-kernel@vger.kernel.org>
Subject: [PATCH v4 10/12] ASoC: amd: add vangogh pci driver pm ops
Date:   Tue, 20 Jul 2021 22:07:30 +0530
Message-ID: <20210720163732.23003-11-Vijendar.Mukunda@amd.com>
In-Reply-To: <20210720163732.23003-1-Vijendar.Mukunda@amd.com>
References: <20210720163732.23003-1-Vijendar.Mukunda@amd.com>
MIME-Version: 1.0
Content-Type: text/plain
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jul 2021 16:21:46.2652
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: ada2f880-510d-4287-7bf2-08d94b9a7843
X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com]
X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT029.eop-nam11.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR12MB1488
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Add Vangogh acp pci driver pm ops.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
---
 sound/soc/amd/vangogh/pci-acp5x.c | 45 +++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/sound/soc/amd/vangogh/pci-acp5x.c b/sound/soc/amd/vangogh/pci-acp5x.c
index 25b42a37ad3a..a57b762d9f2e 100644
--- a/sound/soc/amd/vangogh/pci-acp5x.c
+++ b/sound/soc/amd/vangogh/pci-acp5x.c
@@ -10,6 +10,7 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
+#include <linux/pm_runtime.h>
 
 #include "acp5x.h"
 
@@ -226,6 +227,10 @@ static int snd_acp5x_probe(struct pci_dev *pci,
 	default:
 		dev_info(&pci->dev, "ACP audio mode : %d\n", val);
 	}
+	pm_runtime_set_autosuspend_delay(&pci->dev, 2000);
+	pm_runtime_use_autosuspend(&pci->dev);
+	pm_runtime_put_noidle(&pci->dev);
+	pm_runtime_allow(&pci->dev);
 	return 0;
 
 unregister_devs:
@@ -242,6 +247,41 @@ static int snd_acp5x_probe(struct pci_dev *pci,
 	return ret;
 }
 
+static int __maybe_unused snd_acp5x_suspend(struct device *dev)
+{
+	int ret;
+	struct acp5x_dev_data *adata;
+
+	adata = dev_get_drvdata(dev);
+	ret = acp5x_deinit(adata->acp5x_base);
+	if (ret)
+		dev_err(dev, "ACP de-init failed\n");
+	else
+		dev_dbg(dev, "ACP de-initialized\n");
+
+	return ret;
+}
+
+static int __maybe_unused snd_acp5x_resume(struct device *dev)
+{
+	int ret;
+	struct acp5x_dev_data *adata;
+
+	adata = dev_get_drvdata(dev);
+	ret = acp5x_init(adata->acp5x_base);
+	if (ret) {
+		dev_err(dev, "ACP init failed\n");
+		return ret;
+	}
+	return 0;
+}
+
+static const struct dev_pm_ops acp5x_pm = {
+	SET_RUNTIME_PM_OPS(snd_acp5x_suspend,
+			   snd_acp5x_resume, NULL)
+	SET_SYSTEM_SLEEP_PM_OPS(snd_acp5x_suspend, snd_acp5x_resume)
+};
+
 static void snd_acp5x_remove(struct pci_dev *pci)
 {
 	struct acp5x_dev_data *adata;
@@ -255,6 +295,8 @@ static void snd_acp5x_remove(struct pci_dev *pci)
 	ret = acp5x_deinit(adata->acp5x_base);
 	if (ret)
 		dev_err(&pci->dev, "ACP de-init failed\n");
+	pm_runtime_forbid(&pci->dev);
+	pm_runtime_get_noresume(&pci->dev);
 	pci_release_regions(pci);
 	pci_disable_device(pci);
 }
@@ -272,6 +314,9 @@ static struct pci_driver acp5x_driver  = {
 	.id_table = snd_acp5x_ids,
 	.probe = snd_acp5x_probe,
 	.remove = snd_acp5x_remove,
+	.driver = {
+		.pm = &acp5x_pm,
+	}
 };
 
 module_pci_driver(acp5x_driver);
-- 
2.17.1