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Diffstat (limited to 'sound/soc/fsl/imx-pcm.h')
-rw-r--r--sound/soc/fsl/imx-pcm.h24
1 files changed, 18 insertions, 6 deletions
diff --git a/sound/soc/fsl/imx-pcm.h b/sound/soc/fsl/imx-pcm.h
index 5ae13a13a353..b7fa0d75c687 100644
--- a/sound/soc/fsl/imx-pcm.h
+++ b/sound/soc/fsl/imx-pcm.h
@@ -13,17 +13,24 @@
#ifndef _IMX_PCM_H
#define _IMX_PCM_H
+#include <linux/platform_data/dma-imx.h>
+
/*
* Do not change this as the FIQ handler depends on this size
*/
#define IMX_SSI_DMABUF_SIZE (64 * 1024)
-struct imx_pcm_dma_params {
- int dma;
- unsigned long dma_addr;
- int burstsize;
- bool shared_peripheral; /* The peripheral is on SPBA bus */
-};
+static inline void
+imx_pcm_dma_params_init_data(struct imx_dma_data *dma_data,
+ int dma, bool shared)
+{
+ dma_data->dma_request = dma;
+ dma_data->priority = DMA_PRIO_HIGH;
+ if (shared)
+ dma_data->peripheral_type = IMX_DMATYPE_SSI_SP;
+ else
+ dma_data->peripheral_type = IMX_DMATYPE_SSI;
+}
int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
struct vm_area_struct *vma);
@@ -32,11 +39,16 @@ void imx_pcm_free(struct snd_pcm *pcm);
#ifdef CONFIG_SND_SOC_IMX_PCM_DMA
int imx_pcm_dma_init(struct platform_device *pdev);
+void imx_pcm_dma_exit(struct platform_device *pdev);
#else
static inline int imx_pcm_dma_init(struct platform_device *pdev)
{
return -ENODEV;
}
+
+static inline void imx_pcm_dma_exit(struct platform_device *pdev)
+{
+}
#endif
#ifdef CONFIG_SND_SOC_IMX_PCM_FIQ