linux/sound/soc/fsl/imx-pcm.h
Sascha Hauer c6547c2ed0
dmaengine: imx: Move header to include/dma/
The i.MX DMA drivers are device tree only, nothing in
include/linux/platform_data/dma-imx.h has platform_data in it, so move
the file to include/linux/dma/imx-dma.h.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-By: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20220414162249.3934543-10-s.hauer@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-19 12:06:18 +01:00

65 lines
1.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
*
* This code is based on code copyrighted by Freescale,
* Liam Girdwood, Javier Martin and probably others.
*/
#ifndef _IMX_PCM_H
#define _IMX_PCM_H
#include <linux/dma/imx-dma.h>
/*
* Do not change this as the FIQ handler depends on this size
*/
#define IMX_SSI_DMABUF_SIZE (64 * 1024)
#define IMX_DEFAULT_DMABUF_SIZE (64 * 1024)
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;
}
struct imx_pcm_fiq_params {
int irq;
void __iomem *base;
/* 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)
{
return -ENODEV;
}
#endif
#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,
struct imx_pcm_fiq_params *params)
{
return -ENODEV;
}
static inline void imx_pcm_fiq_exit(struct platform_device *pdev)
{
}
#endif
#endif /* _IMX_PCM_H */