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>
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@ -8,6 +8,7 @@
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#include <linux/module.h>
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#include <linux/err.h>
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#include <linux/io.h>
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#include <linux/pm_runtime.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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@ -412,16 +413,107 @@ static int acp5x_audio_probe(struct platform_device *pdev)
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}
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status = devm_request_irq(&pdev->dev, adata->i2s_irq, i2s_irq_handler,
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irqflags, "ACP5x_I2S_IRQ", adata);
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if (status)
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if (status) {
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dev_err(&pdev->dev, "ACP5x I2S IRQ request failed\n");
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return status;
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}
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pm_runtime_set_autosuspend_delay(&pdev->dev, 2000);
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pm_runtime_use_autosuspend(&pdev->dev);
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pm_runtime_enable(&pdev->dev);
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pm_runtime_allow(&pdev->dev);
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return status;
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return 0;
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}
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static int acp5x_audio_remove(struct platform_device *pdev)
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{
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pm_runtime_disable(&pdev->dev);
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return 0;
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}
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static int __maybe_unused acp5x_pcm_resume(struct device *dev)
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{
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struct i2s_dev_data *adata;
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u32 val, reg_val, frmt_val;
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reg_val = 0;
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frmt_val = 0;
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adata = dev_get_drvdata(dev);
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if (adata->play_stream && adata->play_stream->runtime) {
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struct i2s_stream_instance *rtd =
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adata->play_stream->runtime->private_data;
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config_acp5x_dma(rtd, SNDRV_PCM_STREAM_PLAYBACK);
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switch (rtd->i2s_instance) {
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case I2S_HS_INSTANCE:
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reg_val = ACP_HSTDM_ITER;
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frmt_val = ACP_HSTDM_TXFRMT;
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break;
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case I2S_SP_INSTANCE:
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default:
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reg_val = ACP_I2STDM_ITER;
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frmt_val = ACP_I2STDM_TXFRMT;
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}
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acp_writel((rtd->xfer_resolution << 3),
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rtd->acp5x_base + reg_val);
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}
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if (adata->capture_stream && adata->capture_stream->runtime) {
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struct i2s_stream_instance *rtd =
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adata->capture_stream->runtime->private_data;
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config_acp5x_dma(rtd, SNDRV_PCM_STREAM_CAPTURE);
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switch (rtd->i2s_instance) {
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case I2S_HS_INSTANCE:
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reg_val = ACP_HSTDM_IRER;
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frmt_val = ACP_HSTDM_RXFRMT;
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break;
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case I2S_SP_INSTANCE:
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default:
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reg_val = ACP_I2STDM_IRER;
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frmt_val = ACP_I2STDM_RXFRMT;
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}
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acp_writel((rtd->xfer_resolution << 3),
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rtd->acp5x_base + reg_val);
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}
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if (adata->tdm_mode == TDM_ENABLE) {
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acp_writel(adata->tdm_fmt, adata->acp5x_base + frmt_val);
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val = acp_readl(adata->acp5x_base + reg_val);
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acp_writel(val | 0x2, adata->acp5x_base + reg_val);
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}
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acp_writel(1, adata->acp5x_base + ACP_EXTERNAL_INTR_ENB);
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return 0;
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}
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static int __maybe_unused acp5x_pcm_suspend(struct device *dev)
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{
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struct i2s_dev_data *adata;
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adata = dev_get_drvdata(dev);
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acp_writel(0, adata->acp5x_base + ACP_EXTERNAL_INTR_ENB);
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return 0;
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}
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static int __maybe_unused acp5x_pcm_runtime_resume(struct device *dev)
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{
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struct i2s_dev_data *adata;
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adata = dev_get_drvdata(dev);
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acp_writel(1, adata->acp5x_base + ACP_EXTERNAL_INTR_ENB);
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return 0;
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}
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static const struct dev_pm_ops acp5x_pm_ops = {
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SET_RUNTIME_PM_OPS(acp5x_pcm_suspend,
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acp5x_pcm_runtime_resume, NULL)
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SET_SYSTEM_SLEEP_PM_OPS(acp5x_pcm_suspend, acp5x_pcm_resume)
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};
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static struct platform_driver acp5x_dma_driver = {
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.probe = acp5x_audio_probe,
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.remove = acp5x_audio_remove,
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.driver = {
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.name = "acp5x_i2s_dma",
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.pm = &acp5x_pm_ops,
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},
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};
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