diff options
author | Vijendar Mukunda <Vijendar.Mukunda@amd.com> | 2021-07-21 20:04:27 +0200 |
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committer | Mark Brown <broonie@kernel.org> | 2021-07-22 13:45:43 +0200 |
commit | 361414dc1f07b72f2f6942fca60f2f158c022a6d (patch) | |
tree | 0d61812088e329daff5cc9d239b775fed1bdaf9e /sound/soc/amd/vangogh/acp5x-pcm-dma.c | |
parent | ASoC: amd: add vangogh pci driver pm ops (diff) | |
download | linux-361414dc1f07b72f2f6942fca60f2f158c022a6d.tar.xz linux-361414dc1f07b72f2f6942fca60f2f158c022a6d.zip |
ASoC: amd: add vangogh i2s dma driver pm ops
Add Vangogh i2s dma driver pm ops
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20210721180430.11571-12-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/amd/vangogh/acp5x-pcm-dma.c')
-rw-r--r-- | sound/soc/amd/vangogh/acp5x-pcm-dma.c | 96 |
1 files changed, 94 insertions, 2 deletions
diff --git a/sound/soc/amd/vangogh/acp5x-pcm-dma.c b/sound/soc/amd/vangogh/acp5x-pcm-dma.c index 6296b353c7f1..9f8eb72ac834 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> @@ -412,16 +413,107 @@ static int acp5x_audio_probe(struct platform_device *pdev) } status = devm_request_irq(&pdev->dev, adata->i2s_irq, i2s_irq_handler, irqflags, "ACP5x_I2S_IRQ", adata); - if (status) + if (status) { dev_err(&pdev->dev, "ACP5x I2S IRQ request failed\n"); + return status; + } + 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; +} - return status; +static int acp5x_audio_remove(struct platform_device *pdev) +{ + pm_runtime_disable(&pdev->dev); + return 0; } +static int __maybe_unused acp5x_pcm_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 __maybe_unused acp5x_pcm_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 __maybe_unused 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 = { + SET_RUNTIME_PM_OPS(acp5x_pcm_suspend, + acp5x_pcm_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(acp5x_pcm_suspend, acp5x_pcm_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, }, }; |