2012-03-05 14:30:55 +00:00
|
|
|
/*
|
|
|
|
|
* Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
|
|
|
|
|
*
|
|
|
|
|
* This code is based on code copyrighted by Freescale,
|
|
|
|
|
* Liam Girdwood, Javier Martin and probably others.
|
|
|
|
|
*
|
|
|
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
|
|
|
* under the terms of the GNU General Public License as published by the
|
|
|
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
|
|
|
* option) any later version.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef _IMX_PCM_H
|
|
|
|
|
#define _IMX_PCM_H
|
|
|
|
|
|
2013-03-22 13:12:12 +00:00
|
|
|
#include <linux/platform_data/dma-imx.h>
|
|
|
|
|
|
2012-03-05 14:30:55 +00:00
|
|
|
/*
|
|
|
|
|
* Do not change this as the FIQ handler depends on this size
|
|
|
|
|
*/
|
|
|
|
|
#define IMX_SSI_DMABUF_SIZE (64 * 1024)
|
|
|
|
|
|
2013-03-22 13:12:12 +00:00
|
|
|
static inline void
|
2013-04-03 09:06:04 +00:00
|
|
|
imx_pcm_dma_params_init_data(struct imx_dma_data *dma_data,
|
2013-07-25 09:41:41 +00:00
|
|
|
int dma, enum sdma_peripheral_type peripheral_type)
|
2013-03-22 13:12:12 +00:00
|
|
|
{
|
2013-04-03 09:06:04 +00:00
|
|
|
dma_data->dma_request = dma;
|
|
|
|
|
dma_data->priority = DMA_PRIO_HIGH;
|
2013-07-25 09:41:41 +00:00
|
|
|
dma_data->peripheral_type = peripheral_type;
|
2013-03-22 13:12:12 +00:00
|
|
|
}
|
|
|
|
|
|
2013-06-20 13:20:21 +00:00
|
|
|
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;
|
|
|
|
|
};
|
|
|
|
|
|
2013-07-29 21:37:32 +00:00
|
|
|
#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_DMA)
|
2013-01-28 06:25:43 +00:00
|
|
|
int imx_pcm_dma_init(struct platform_device *pdev);
|
|
|
|
|
#else
|
|
|
|
|
static inline int imx_pcm_dma_init(struct platform_device *pdev)
|
|
|
|
|
{
|
|
|
|
|
return -ENODEV;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
2013-07-29 21:37:32 +00:00
|
|
|
#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_FIQ)
|
2013-06-20 13:20:21 +00:00
|
|
|
int imx_pcm_fiq_init(struct platform_device *pdev,
|
|
|
|
|
struct imx_pcm_fiq_params *params);
|
2013-04-25 03:18:48 +00:00
|
|
|
void imx_pcm_fiq_exit(struct platform_device *pdev);
|
2013-01-28 06:25:43 +00:00
|
|
|
#else
|
2013-06-20 13:20:21 +00:00
|
|
|
static inline int imx_pcm_fiq_init(struct platform_device *pdev,
|
|
|
|
|
struct imx_pcm_fiq_params *params)
|
2013-01-28 06:25:43 +00:00
|
|
|
{
|
|
|
|
|
return -ENODEV;
|
|
|
|
|
}
|
2013-04-25 03:18:48 +00:00
|
|
|
|
|
|
|
|
static inline void imx_pcm_fiq_exit(struct platform_device *pdev)
|
|
|
|
|
{
|
|
|
|
|
}
|
2013-01-28 06:25:43 +00:00
|
|
|
#endif
|
|
|
|
|
|
2012-03-05 14:30:55 +00:00
|
|
|
#endif /* _IMX_PCM_H */
|
