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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>,
	"Vijendar Mukunda" <vijendar.mukunda@amd.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 11/12] ASoc: amd: add vangogh i2s dma driver pm ops
Date: Wed, 7 Jul 2021 11:26:22 +0530	[thread overview]
Message-ID: <20210707055623.27371-12-vijendar.mukunda@amd.com> (raw)
In-Reply-To: <20210707055623.27371-1-vijendar.mukunda@amd.com>

Add Vangogh i2s dma driver pm ops

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
---
 sound/soc/amd/vangogh/acp5x-pcm-dma.c | 84 +++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)

diff --git a/sound/soc/amd/vangogh/acp5x-pcm-dma.c b/sound/soc/amd/vangogh/acp5x-pcm-dma.c
index a4235cf33548..c90d9620e977 100644
--- a/sound/soc/amd/vangogh/acp5x-pcm-dma.c
+++ b/sound/soc/amd/vangogh/acp5x-pcm-dma.c
@@ -8,6 +8,7 @@
 #include <linux/module.h>
 #include <linux/err.h>
 #include <linux/io.h>
+#include <linux/pm_runtime.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
@@ -419,19 +420,102 @@ static int acp5x_audio_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "ACP5x I2S IRQ request failed\n");
 		return -ENODEV;
 	}
+	pm_runtime_set_autosuspend_delay(&pdev->dev, 2000);
+	pm_runtime_use_autosuspend(&pdev->dev);
+	pm_runtime_enable(&pdev->dev);
+	pm_runtime_allow(&pdev->dev);
 	return 0;
 }
 
 static int acp5x_audio_remove(struct platform_device *pdev)
 {
+	pm_runtime_disable(&pdev->dev);
 	return 0;
 }
 
+static int acp5x_resume(struct device *dev)
+{
+	struct i2s_dev_data *adata;
+	u32 val, reg_val, frmt_val;
+
+	reg_val = 0;
+	frmt_val = 0;
+	adata = dev_get_drvdata(dev);
+
+	if (adata->play_stream && adata->play_stream->runtime) {
+		struct i2s_stream_instance *rtd =
+			adata->play_stream->runtime->private_data;
+		config_acp5x_dma(rtd, SNDRV_PCM_STREAM_PLAYBACK);
+		switch (rtd->i2s_instance) {
+		case I2S_HS_INSTANCE:
+			reg_val = ACP_HSTDM_ITER;
+			frmt_val = ACP_HSTDM_TXFRMT;
+			break;
+		case I2S_SP_INSTANCE:
+		default:
+			reg_val = ACP_I2STDM_ITER;
+			frmt_val = ACP_I2STDM_TXFRMT;
+		}
+		acp_writel((rtd->xfer_resolution  << 3),
+			   rtd->acp5x_base + reg_val);
+	}
+
+	if (adata->capture_stream && adata->capture_stream->runtime) {
+		struct i2s_stream_instance *rtd =
+			adata->capture_stream->runtime->private_data;
+		config_acp5x_dma(rtd, SNDRV_PCM_STREAM_CAPTURE);
+		switch (rtd->i2s_instance) {
+		case I2S_HS_INSTANCE:
+			reg_val = ACP_HSTDM_IRER;
+			frmt_val = ACP_HSTDM_RXFRMT;
+			break;
+		case I2S_SP_INSTANCE:
+		default:
+			reg_val = ACP_I2STDM_IRER;
+			frmt_val = ACP_I2STDM_RXFRMT;
+		}
+		acp_writel((rtd->xfer_resolution  << 3),
+			   rtd->acp5x_base + reg_val);
+	}
+	if (adata->tdm_mode == TDM_ENABLE) {
+		acp_writel(adata->tdm_fmt, adata->acp5x_base + frmt_val);
+		val = acp_readl(adata->acp5x_base + reg_val);
+		acp_writel(val | 0x2, adata->acp5x_base + reg_val);
+	}
+	acp_writel(1, adata->acp5x_base + ACP_EXTERNAL_INTR_ENB);
+	return 0;
+}
+
+static int acp5x_pcm_runtime_suspend(struct device *dev)
+{
+	struct i2s_dev_data *adata;
+
+	adata = dev_get_drvdata(dev);
+	acp_writel(0, adata->acp5x_base + ACP_EXTERNAL_INTR_ENB);
+	return 0;
+}
+
+static int acp5x_pcm_runtime_resume(struct device *dev)
+{
+	struct i2s_dev_data *adata;
+
+	adata = dev_get_drvdata(dev);
+	acp_writel(1, adata->acp5x_base + ACP_EXTERNAL_INTR_ENB);
+	return 0;
+}
+
+static const struct dev_pm_ops acp5x_pm_ops = {
+	.runtime_suspend = acp5x_pcm_runtime_suspend,
+	.runtime_resume = acp5x_pcm_runtime_resume,
+	.resume = acp5x_resume,
+};
+
 static struct platform_driver acp5x_dma_driver = {
 	.probe = acp5x_audio_probe,
 	.remove = acp5x_audio_remove,
 	.driver = {
 		.name = "acp5x_i2s_dma",
+		.pm = &acp5x_pm_ops,
 	},
 };
 
-- 
2.17.1


  parent reply	other threads:[~2021-07-07  5:42 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210707055623.27371-1-vijendar.mukunda@amd.com>
2021-07-07  5:56 ` [PATCH 01/12] ASoC: amd: add Vangogh ACP5x IP register header Vijendar Mukunda
2021-07-07  5:56 ` [PATCH 02/12] ASoC: amd: add Vangogh ACP PCI driver Vijendar Mukunda
2021-07-07 16:17   ` Mark Brown
2021-07-08 14:07     ` Mukunda,Vijendar
2021-07-07  5:56 ` [PATCH 03/12] add acp5x init/de-init functions Vijendar Mukunda
2021-07-07 16:15   ` Pierre-Louis Bossart
2021-07-08 13:30     ` Mukunda,Vijendar
2021-07-07  5:56 ` [PATCH 04/12] ASoC: amd: create acp5x platform devices Vijendar Mukunda
2021-07-07 16:22   ` Mark Brown
2021-07-08 15:02     ` Mukunda,Vijendar
2021-07-07  5:56 ` [PATCH 05/12] ASoC: amd: add ACP5x PCM platform driver Vijendar Mukunda
2021-07-07 16:17   ` Pierre-Louis Bossart
2021-07-08 13:31     ` Mukunda,Vijendar
2021-07-07 16:24   ` Mark Brown
2021-07-08 11:57     ` Mukunda,Vijendar
2021-07-07  5:56 ` [PATCH 06/12] ASoC: amd: irq handler changes for ACP5x PCM dma driver Vijendar Mukunda
2021-07-07 16:20   ` Pierre-Louis Bossart
2021-07-08 13:32     ` Mukunda,Vijendar
2021-07-07  5:56 ` [PATCH 07/12] ASoC: amd: add ACP5x pcm dma driver ops Vijendar Mukunda
2021-07-07 16:27   ` Pierre-Louis Bossart
2021-07-08 11:56     ` Mukunda,Vijendar
2021-07-07 16:30   ` Mark Brown
2021-07-08 11:43     ` Mukunda,Vijendar
2021-07-07  5:56 ` [PATCH 08/12] ASoC: amd: add vangogh i2s controller driver Vijendar Mukunda
2021-07-07  5:56 ` [PATCH 09/12] ASoC: amd: add vangogh i2s dai driver ops Vijendar Mukunda
2021-07-07 16:35   ` Mark Brown
2021-07-08 11:30     ` Mukunda,Vijendar
2021-07-07  5:56 ` [PATCH 10/12] ASoC: amd: add vangogh pci driver pm ops Vijendar Mukunda
2021-07-07 16:34   ` Pierre-Louis Bossart
2021-07-08 11:41     ` Mukunda,Vijendar
2021-07-13  6:36       ` Mukunda,Vijendar
2021-07-14 16:23         ` Mark Brown
2021-07-15 23:49           ` Mukunda,Vijendar
2021-07-07  5:56 ` Vijendar Mukunda [this message]
2021-07-07  5:56 ` [PATCH 12/12] ASoC: amd: enable vangogh acp5x driver build Vijendar Mukunda
2021-07-07  9:00   ` kernel test robot
2021-07-08 14:08     ` Mukunda,Vijendar

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