[linux-2.6-block.git] / sound / soc / fsl / imx-pcm.h

/* 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/platform_data/dma-imx.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)
#define IMX_SAI_DMABUF_SIZE	(64 * 1024)
#define IMX_SPDIF_DMABUF_SIZE	(64 * 1024)
#define IMX_ESAI_DMABUF_SIZE	(256 * 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, size_t size);
#else
static inline int imx_pcm_dma_init(struct platform_device *pdev, size_t size)
{
	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 */
Commit	Line	Data
1c05c1ed	1	/* SPDX-License-Identifier: GPL-2.0+ */
4762fbab SG	2	/*
	3	* Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
	4	*
	5	* This code is based on code copyrighted by Freescale,
	6	* Liam Girdwood, Javier Martin and probably others.
4762fbab SG	7	*/
	8
	9	#ifndef _IMX_PCM_H
	10	#define _IMX_PCM_H
	11
312bb4f6 LPC	12	#include <linux/platform_data/dma-imx.h>
312bb4f6 LPC	13
4762fbab SG	14	/*
	15	* Do not change this as the FIQ handler depends on this size
	16	*/
	17	#define IMX_SSI_DMABUF_SIZE (64 * 1024)
	18
0d69e0dd SW	19	#define IMX_DEFAULT_DMABUF_SIZE (64 * 1024)
	20	#define IMX_SAI_DMABUF_SIZE (64 * 1024)
	21	#define IMX_SPDIF_DMABUF_SIZE (64 * 1024)
	22	#define IMX_ESAI_DMABUF_SIZE (256 * 1024)
	23
312bb4f6	24	static inline void
a8909c9b	25	imx_pcm_dma_params_init_data(struct imx_dma_data *dma_data,
32bd8cd2	26	int dma, enum sdma_peripheral_type peripheral_type)
312bb4f6	27	{
a8909c9b LPC	28	dma_data->dma_request = dma;
a8909c9b LPC	29	dma_data->priority = DMA_PRIO_HIGH;
32bd8cd2	30	dma_data->peripheral_type = peripheral_type;
312bb4f6 LPC	31	}
312bb4f6 LPC	32
9051cba1 MP	33	struct imx_pcm_fiq_params {
	34	int irq;
	35	void __iomem *base;
	36
	37	/* Pointer to original ssi driver to setup tx rx sizes */
	38	struct snd_dmaengine_dai_dma_data *dma_params_rx;
	39	struct snd_dmaengine_dai_dma_data *dma_params_tx;
	40	};
	41
3f1a91aa	42	#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_DMA)
0d69e0dd	43	int imx_pcm_dma_init(struct platform_device *pdev, size_t size);
1927661b	44	#else
0d69e0dd	45	static inline int imx_pcm_dma_init(struct platform_device *pdev, size_t size)
1927661b SG	46	{
	47	return -ENODEV;
	48	}
	49	#endif
	50
3f1a91aa	51	#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_FIQ)
9051cba1 MP	52	int imx_pcm_fiq_init(struct platform_device *pdev,
9051cba1 MP	53	struct imx_pcm_fiq_params *params);
88e89f55	54	void imx_pcm_fiq_exit(struct platform_device *pdev);
1927661b	55	#else
9051cba1 MP	56	static inline int imx_pcm_fiq_init(struct platform_device *pdev,
9051cba1 MP	57	struct imx_pcm_fiq_params *params)
1927661b SG	58	{
	59	return -ENODEV;
	60	}
88e89f55 SG	61
	62	static inline void imx_pcm_fiq_exit(struct platform_device *pdev)
	63	{
	64	}
1927661b SG	65	#endif
1927661b SG	66
4762fbab	67	#endif /* _IMX_PCM_H */