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SubjectRe: [PATCH V3 06/12] ASoC: amd: irq handler changes for ACP5x PCM dma driver
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On 7/19/21 11:41 PM, Pierre-Louis Bossart wrote:
>
>> +static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
>> +{
>> + struct i2s_dev_data *vg_i2s_data;
>> + u16 irq_flag;
>> + u32 val;
>> +
>> + vg_i2s_data = dev_id;
>> + if (!vg_i2s_data)
>> + return IRQ_NONE;
>> +
>> + irq_flag = 0;
>> + val = acp_readl(vg_i2s_data->acp5x_base + ACP_EXTERNAL_INTR_STAT);
>> + if ((val & BIT(HS_TX_THRESHOLD)) && vg_i2s_data->play_stream) {
>> + acp_writel(BIT(HS_TX_THRESHOLD), vg_i2s_data->acp5x_base +
>> + ACP_EXTERNAL_INTR_STAT);
>> + snd_pcm_period_elapsed(vg_i2s_data->play_stream);
>> + irq_flag = 1;
>> + }
>> + if ((val & BIT(I2S_TX_THRESHOLD)) &&
>> + vg_i2s_data->i2ssp_play_stream) {
>
> use single line?
will fix it.
>
>> + acp_writel(BIT(I2S_TX_THRESHOLD),
>> + vg_i2s_data->acp5x_base + ACP_EXTERNAL_INTR_STAT);
>> + snd_pcm_period_elapsed(vg_i2s_data->i2ssp_play_stream);
>> + irq_flag = 1;
>> + }
>> +
>> + if ((val & BIT(HS_RX_THRESHOLD)) && vg_i2s_data->capture_stream) {
>> + acp_writel(BIT(HS_RX_THRESHOLD), vg_i2s_data->acp5x_base +
>> + ACP_EXTERNAL_INTR_STAT);
>> + snd_pcm_period_elapsed(vg_i2s_data->capture_stream);
>> + irq_flag = 1;
>> + }
>> + if ((val & BIT(I2S_RX_THRESHOLD)) &&
>> + vg_i2s_data->i2ssp_capture_stream) {
>
> use single line?
Will fix it.
>
>> + acp_writel(BIT(I2S_RX_THRESHOLD),
>> + vg_i2s_data->acp5x_base + ACP_EXTERNAL_INTR_STAT);
>> + snd_pcm_period_elapsed(vg_i2s_data->i2ssp_capture_stream);
>> + irq_flag = 1;
>> + }
>> +
>> + if (irq_flag)
>> + return IRQ_HANDLED;
>> + else
>> + return IRQ_NONE;
>> +}
>> +
>> static int acp5x_audio_probe(struct platform_device *pdev)
>> {
>> struct resource *res;
>> struct i2s_dev_data *adata;
>> + unsigned int irqflags;
>> int status;
>>
>> if (!pdev->dev.platform_data) {
>> @@ -47,6 +94,14 @@ static int acp5x_audio_probe(struct platform_device *pdev)
>> resource_size(res));
>> if (!adata->acp5x_base)
>> return -ENOMEM;
>> +
>> + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
>> + if (!res) {
>> + dev_err(&pdev->dev, "IORESOURCE_IRQ FAILED\n");
>> + return -ENODEV;
>> + }
>> +
>> + adata->i2s_irq = res->start;
>> dev_set_drvdata(&pdev->dev, adata);
>> status = devm_snd_soc_register_component(&pdev->dev,
>> &acp5x_i2s_component,
>> @@ -55,6 +110,12 @@ static int acp5x_audio_probe(struct platform_device *pdev)
>> dev_err(&pdev->dev, "Fail to register acp i2s component\n");
>> return -ENODEV;
>> }
>> + status = devm_request_irq(&pdev->dev, adata->i2s_irq, i2s_irq_handler,
>> + irqflags, "ACP5x_I2S_IRQ", adata);
>> + if (status) {
>> + dev_err(&pdev->dev, "ACP5x I2S IRQ request failed\n");
>> + return -ENODEV;
>> + }
>
> return status?
>
Will fix it and post the new version.
>> return 0;
>> }
>>
>> diff --git a/sound/soc/amd/vangogh/acp5x.h b/sound/soc/amd/vangogh/acp5x.h
>> index d2853738eb17..18df2b5a4283 100644
>> --- a/sound/soc/amd/vangogh/acp5x.h
>> +++ b/sound/soc/amd/vangogh/acp5x.h
>> @@ -31,9 +31,18 @@
>> #define ACP5x_HS_TDM_REG_END 0x1242824
>> #define I2S_MODE 0x00
>> #define ACP5x_I2S_MODE 0x00
>> +#define I2S_RX_THRESHOLD 27
>> +#define I2S_TX_THRESHOLD 28
>> +#define HS_TX_THRESHOLD 24
>> +#define HS_RX_THRESHOLD 23
>>
>> struct i2s_dev_data {
>> + unsigned int i2s_irq;
>> void __iomem *acp5x_base;
>> + struct snd_pcm_substream *play_stream;
>> + struct snd_pcm_substream *capture_stream;
>> + struct snd_pcm_substream *i2ssp_play_stream;
>> + struct snd_pcm_substream *i2ssp_capture_stream;
>> };
>>
>> /* common header file uses exact offset rather than relative
>>

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