diff options
Diffstat (limited to 'sound/soc/fsl/imx-pcm.h')
| -rw-r--r-- | sound/soc/fsl/imx-pcm.h | 43 |
1 files changed, 29 insertions, 14 deletions
diff --git a/sound/soc/fsl/imx-pcm.h b/sound/soc/fsl/imx-pcm.h index 5ae13a13a35..c79cb27473b 100644 --- a/sound/soc/fsl/imx-pcm.h +++ b/sound/soc/fsl/imx-pcm.h @@ -13,24 +13,32 @@ #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, enum sdma_peripheral_type peripheral_type) +{ + dma_data->dma_request = dma; + dma_data->priority = DMA_PRIO_HIGH; + dma_data->peripheral_type = peripheral_type; +} -int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, - struct vm_area_struct *vma); -int imx_pcm_new(struct snd_soc_pcm_runtime *rtd); -void imx_pcm_free(struct snd_pcm *pcm); +struct imx_pcm_fiq_params { + int irq; + void __iomem *base; -#ifdef CONFIG_SND_SOC_IMX_PCM_DMA + /* Pointer to original ssi driver to setup tx rx sizes */ + struct snd_dmaengine_dai_dma_data *dma_params_rx; + struct snd_dmaengine_dai_dma_data *dma_params_tx; +}; + +#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_DMA) int imx_pcm_dma_init(struct platform_device *pdev); #else static inline int imx_pcm_dma_init(struct platform_device *pdev) @@ -39,13 +47,20 @@ static inline int imx_pcm_dma_init(struct platform_device *pdev) } #endif -#ifdef CONFIG_SND_SOC_IMX_PCM_FIQ -int imx_pcm_fiq_init(struct platform_device *pdev); +#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_FIQ) +int imx_pcm_fiq_init(struct platform_device *pdev, + struct imx_pcm_fiq_params *params); +void imx_pcm_fiq_exit(struct platform_device *pdev); #else -static inline int imx_pcm_fiq_init(struct platform_device *pdev) +static inline int imx_pcm_fiq_init(struct platform_device *pdev, + struct imx_pcm_fiq_params *params) { return -ENODEV; } + +static inline void imx_pcm_fiq_exit(struct platform_device *pdev) +{ +} #endif #endif /* _IMX_PCM_H */ |