diff --git a/sound/soc/amd/yc/acp6x.h b/sound/soc/amd/yc/acp6x.h index d6b2c70ce9c8..4ea37794db84 100644 --- a/sound/soc/amd/yc/acp6x.h +++ b/sound/soc/amd/yc/acp6x.h @@ -25,6 +25,7 @@ #define ACP_ERROR_MASK 0x20000000 #define ACP_EXT_INTR_STAT_CLEAR_MASK 0xFFFFFFFF +#define PDM_DMA_STAT 0x10 enum acp_config { ACP_CONFIG_0 = 0, @@ -46,6 +47,7 @@ enum acp_config { }; struct pdm_dev_data { + u32 pdm_irq; void __iomem *acp6x_base; struct snd_pcm_substream *capture_stream; }; diff --git a/sound/soc/amd/yc/pci-acp6x.c b/sound/soc/amd/yc/pci-acp6x.c index bb66b4c670cd..baf875c603fa 100644 --- a/sound/soc/amd/yc/pci-acp6x.c +++ b/sound/soc/amd/yc/pci-acp6x.c @@ -10,6 +10,8 @@ #include <linux/io.h> #include <linux/delay.h> #include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <sound/pcm_params.h> #include "acp6x.h" @@ -117,6 +119,27 @@ static int acp6x_deinit(void __iomem *acp_base) return 0; } +static irqreturn_t acp6x_irq_handler(int irq, void *dev_id) +{ + struct acp6x_dev_data *adata; + struct pdm_dev_data *yc_pdm_data; + u32 val; + + adata = dev_id; + if (!adata) + return IRQ_NONE; + + val = acp6x_readl(adata->acp6x_base + ACP_EXTERNAL_INTR_STAT); + if (val & BIT(PDM_DMA_STAT)) { + yc_pdm_data = dev_get_drvdata(&adata->pdev[0]->dev); + acp6x_writel(BIT(PDM_DMA_STAT), adata->acp6x_base + ACP_EXTERNAL_INTR_STAT); + if (yc_pdm_data->capture_stream) + snd_pcm_period_elapsed(yc_pdm_data->capture_stream); + return IRQ_HANDLED; + } + return IRQ_NONE; +} + static int snd_acp6x_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { @@ -125,7 +148,9 @@ static int snd_acp6x_probe(struct pci_dev *pci, int ret, index; int val = 0x00; u32 addr; + unsigned int irqflags; + irqflags = IRQF_SHARED; /* Yellow Carp device check */ if (pci->revision != 0x60) return -ENODEV; @@ -209,6 +234,12 @@ static int snd_acp6x_probe(struct pci_dev *pci, } break; } + ret = devm_request_irq(&pci->dev, pci->irq, acp6x_irq_handler, + irqflags, "ACP_PCI_IRQ", adata); + if (ret) { + dev_err(&pci->dev, "ACP PCI IRQ request failed\n"); + goto unregister_devs; + } return 0; unregister_devs: for (--index; index >= 0; index--)