acp63_writel(pdm_ctrl, acp_base + ACP_WOV_MISC_CTRL);
}
-static void acp63_enable_pdm_interrupts(void __iomem *acp_base)
+static void acp63_enable_pdm_interrupts(struct pdm_dev_data *adata)
{
u32 ext_int_ctrl;
- ext_int_ctrl = acp63_readl(acp_base + ACP_EXTERNAL_INTR_CNTL);
+ mutex_lock(adata->acp_lock);
+ ext_int_ctrl = acp63_readl(adata->acp63_base + ACP_EXTERNAL_INTR_CNTL);
ext_int_ctrl |= PDM_DMA_INTR_MASK;
- acp63_writel(ext_int_ctrl, acp_base + ACP_EXTERNAL_INTR_CNTL);
+ acp63_writel(ext_int_ctrl, adata->acp63_base + ACP_EXTERNAL_INTR_CNTL);
+ mutex_unlock(adata->acp_lock);
}
-static void acp63_disable_pdm_interrupts(void __iomem *acp_base)
+static void acp63_disable_pdm_interrupts(struct pdm_dev_data *adata)
{
u32 ext_int_ctrl;
- ext_int_ctrl = acp63_readl(acp_base + ACP_EXTERNAL_INTR_CNTL);
+ mutex_lock(adata->acp_lock);
+ ext_int_ctrl = acp63_readl(adata->acp63_base + ACP_EXTERNAL_INTR_CNTL);
ext_int_ctrl &= ~PDM_DMA_INTR_MASK;
- acp63_writel(ext_int_ctrl, acp_base + ACP_EXTERNAL_INTR_CNTL);
+ acp63_writel(ext_int_ctrl, adata->acp63_base + ACP_EXTERNAL_INTR_CNTL);
+ mutex_unlock(adata->acp_lock);
}
static bool acp63_check_pdm_dma_status(void __iomem *acp_base)
return ret;
}
- acp63_enable_pdm_interrupts(adata->acp63_base);
+ acp63_enable_pdm_interrupts(adata);
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
adata->capture_stream = substream;
struct pdm_dev_data *adata = dev_get_drvdata(component->dev);
struct snd_pcm_runtime *runtime = substream->runtime;
- acp63_disable_pdm_interrupts(adata->acp63_base);
+ acp63_disable_pdm_interrupts(adata);
adata->capture_stream = NULL;
kfree(runtime->private_data);
return 0;
struct pdm_dev_data *adata;
int status;
+ if (!pdev->dev.platform_data) {
+ dev_err(&pdev->dev, "platform_data not retrieved\n");
+ return -ENODEV;
+ }
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n");
return -ENOMEM;
adata->capture_stream = NULL;
-
+ adata->acp_lock = pdev->dev.platform_data;
dev_set_drvdata(&pdev->dev, adata);
status = devm_snd_soc_register_component(&pdev->dev,
&acp63_pdm_component,
acp63_init_pdm_ring_buffer(PDM_MEM_WINDOW_START, buffer_len,
period_bytes, adata->acp63_base);
}
- acp63_enable_pdm_interrupts(adata->acp63_base);
+ acp63_enable_pdm_interrupts(adata);
return 0;
}
struct pdm_dev_data *adata;
adata = dev_get_drvdata(dev);
- acp63_disable_pdm_interrupts(adata->acp63_base);
+ acp63_disable_pdm_interrupts(adata);
return 0;
}
struct pdm_dev_data *adata;
adata = dev_get_drvdata(dev);
- acp63_enable_pdm_interrupts(adata->acp63_base);
+ acp63_enable_pdm_interrupts(adata);
return 0;
}